diff --git a/src/client/opamAction.ml b/src/client/opamAction.ml
index 59629b98307..77e7b6cd626 100644
--- a/src/client/opamAction.ml
+++ b/src/client/opamAction.ml
@@ -846,7 +846,8 @@ let remove_package_aux
     | Some build_dir -> build_dir
     | None ->
       let dir = OpamPath.Switch.remove root t.switch nv in
-      if not (OpamFilename.exists_dir dir) then
+      if not OpamStateConfig.(!r.dryrun)
+      && not (OpamFilename.exists_dir dir) then
         OpamFilename.mkdir dir;
       dir
   in
@@ -907,18 +908,19 @@ let remove_package_aux
 
 (* Removes build dir and source cache of package if unneeded *)
 let cleanup_package_artefacts t nv =
-  log "Cleaning up artefacts of %a" (slog OpamPackage.to_string) nv;
+  if OpamStateConfig.(!r.dryrun) then () else
+    (log "Cleaning up artefacts of %a" (slog OpamPackage.to_string) nv;
 
-  let build_dir = OpamPath.Switch.build t.switch_global.root t.switch nv in
-  if not OpamClientConfig.(!r.keep_build_dir) then OpamFilename.rmdir build_dir;
-  let remove_dir = OpamPath.Switch.remove t.switch_global.root t.switch nv in
-  if OpamFilename.exists_dir remove_dir then OpamFilename.rmdir remove_dir;
-  let dev_dir = OpamSwitchState.source_dir t nv in
-  if not (OpamPackage.Set.mem nv t.installed) then
-    (log "Removing the local metadata";
-     OpamSwitchAction.remove_metadata t (OpamPackage.Set.singleton nv);
-     if not (OpamPackage.Set.mem nv t.pinned) then
-       OpamFilename.rmdir dev_dir)
+     let build_dir = OpamPath.Switch.build t.switch_global.root t.switch nv in
+     if not OpamClientConfig.(!r.keep_build_dir) then OpamFilename.rmdir build_dir;
+     let remove_dir = OpamPath.Switch.remove t.switch_global.root t.switch nv in
+     if OpamFilename.exists_dir remove_dir then OpamFilename.rmdir remove_dir;
+     let dev_dir = OpamSwitchState.source_dir t nv in
+     if not (OpamPackage.Set.mem nv t.installed) then
+       (log "Removing the local metadata";
+        OpamSwitchAction.remove_metadata t (OpamPackage.Set.singleton nv);
+        if not (OpamPackage.Set.mem nv t.pinned) then
+          OpamFilename.rmdir dev_dir))
 
 let sources_needed st g =
   PackageActionGraph.fold_vertex (fun act acc ->
diff --git a/src/client/opamClient.ml b/src/client/opamClient.ml
index 539759db326..f8126d2397a 100644
--- a/src/client/opamClient.ml
+++ b/src/client/opamClient.ml
@@ -2427,10 +2427,13 @@ let remove_t ?ask ~autoremove ~force ?(formula=OpamFormula.Empty) atoms t =
           let nv = OpamPackage.max_version candidates (fst atom) in
           OpamConsole.note "Forcing removal of (uninstalled) %s"
             (OpamPackage.to_string nv);
-          let d = OpamPath.Switch.remove t.switch_global.root t.switch nv in
-          OpamFilename.rmdir d;
-          OpamFilename.mkdir d;
-          OpamProcess.Job.run (OpamAction.remove_package t nv);
+          if OpamStateConfig.(!r.dryrun) then
+            OpamProcess.Job.dry_run (OpamAction.remove_package t nv)
+          else
+            (let d = OpamPath.Switch.remove t.switch_global.root t.switch nv in
+             OpamFilename.rmdir d;
+             OpamFilename.mkdir d;
+             OpamProcess.Job.run (OpamAction.remove_package t nv));
           OpamAction.cleanup_package_artefacts t nv;
           false
         with Not_found ->
diff --git a/src/client/opamCommands.ml b/src/client/opamCommands.ml
index 703e5ab6237..45191efef7b 100644
--- a/src/client/opamCommands.ml
+++ b/src/client/opamCommands.ml
@@ -3084,21 +3084,22 @@ let switch cli =
       end;
       `Ok ()
     | Some `remove, switches ->
-      OpamGlobalState.with_ `Lock_write @@ fun gt ->
-      let _gt =
-        List.fold_left
-          (fun gt switch ->
-             let opam_dir = OpamFilename.Op.(
-                 OpamFilename.Dir.of_string switch / OpamSwitch.external_dirname
-               ) in
-             if OpamFilename.is_symlink_dir opam_dir then
-               (OpamFilename.rmdir opam_dir;
-                gt)
-             else OpamSwitchCommand.remove gt (OpamSwitch.of_string switch))
-          gt
-          switches
-      in
-      `Ok ()
+      if OpamStateConfig.(!r.dryrun) then `Ok () else
+        OpamGlobalState.with_ `Lock_write @@ fun gt ->
+        let _gt =
+          List.fold_left
+            (fun gt switch ->
+               let opam_dir = OpamFilename.Op.(
+                   OpamFilename.Dir.of_string switch / OpamSwitch.external_dirname
+                 ) in
+               if OpamFilename.is_symlink_dir opam_dir then
+                 (OpamFilename.rmdir opam_dir;
+                  gt)
+               else OpamSwitchCommand.remove gt (OpamSwitch.of_string switch))
+            gt
+            switches
+        in
+        `Ok ()
     | Some `reinstall, switch ->
       let switch = match switch with
         | [sw] -> OpamSwitch.of_string sw
diff --git a/src/client/opamPinCommand.ml b/src/client/opamPinCommand.ml
index 4b43a9a6a3d..d0b983243a2 100644
--- a/src/client/opamPinCommand.ml
+++ b/src/client/opamPinCommand.ml
@@ -66,7 +66,12 @@ exception Fetch_Fail of string
 
 let get_source_definition ?version ?subpath ?locked st nv url =
   let root = st.switch_global.root in
-  let srcdir = OpamPath.Switch.pinned_package root st.switch nv.name in
+  let srcdir =
+    if OpamStateConfig.(!r.dryrun) then
+      OpamFilename.mk_tmp_dir ()
+    else
+      OpamPath.Switch.pinned_package root st.switch nv.name
+  in
   let fix opam =
     OpamFile.OPAM.with_url url @@
     (match version with
@@ -374,7 +379,12 @@ let fetch_all_pins st ?working_dir pins =
     let command pinned =
       let { pinned_name = name; pinned_url = url;
             pinned_subpath = subpath; _ } = pinned in
-      let srcdir = OpamPath.Switch.pinned_package root st.switch name in
+      let srcdir =
+        if OpamStateConfig.(!r.dryrun) then
+          OpamFilename.mk_tmp_dir ()
+        else
+          OpamPath.Switch.pinned_package root st.switch name
+      in
       let name = OpamPackage.Name.to_string name in
       OpamProcess.Job.Op.(
         OpamRepository.pull_tree ~cache_dir ?subpath ?working_dir
@@ -620,6 +630,7 @@ and source_pin
 
     let opam = copy_files st opam in
 
+    if not OpamStateConfig.(!r.dryrun) then
     OpamFile.OPAM.write_with_preserved_format
       ?format_from:(OpamPinned.orig_opam_file st name opam)
       (OpamPath.Switch.Overlay.opam st.switch_global.root st.switch nv.name)
@@ -699,11 +710,12 @@ let unpin st names =
   log "unpin %a"
     (slog @@ OpamStd.List.concat_map " " OpamPackage.Name.to_string) names;
   List.fold_left (fun st name ->
-      OpamFilename.rmdir
-        (OpamPath.Switch.pinned_package st.switch_global.root st.switch name);
-      OpamFilename.rmdir
-        (OpamPath.Switch.Overlay.package
-           st.switch_global.root st.switch name);
+      if not OpamStateConfig.(!r.dryrun) then
+        (OpamFilename.rmdir
+           (OpamPath.Switch.pinned_package st.switch_global.root st.switch name);
+         OpamFilename.rmdir
+           (OpamPath.Switch.Overlay.package
+              st.switch_global.root st.switch name));
       match OpamPinned.package_opt st name with
       | Some nv ->
         let pin_str =
diff --git a/src/client/opamSolution.ml b/src/client/opamSolution.ml
index f616bac3848..b3d78db96f7 100644
--- a/src/client/opamSolution.ml
+++ b/src/client/opamSolution.ml
@@ -648,7 +648,8 @@ let parallel_apply t
         try true, OpamPackage.Map.find nv inplace
         with Not_found ->
           let dir = OpamPath.Switch.build t.switch_global.root t.switch nv in
-          if not OpamClientConfig.(!r.reuse_build_dir) then
+          if not OpamClientConfig.(!r.reuse_build_dir)
+          && not OpamStateConfig.(!r.dryrun) then
             OpamFilename.rmdir dir;
           false, dir
       in
@@ -659,10 +660,12 @@ let parallel_apply t
         OpamStateConfig.(!r.dev_setup) && found
       in
       let source_dir = source_dir nv in
-      (if OpamFilename.exists_dir source_dir
+      (if OpamStateConfig.(!r.dryrun) then () else
+       if OpamFilename.exists_dir source_dir
        then (if not is_inplace then
                OpamFilename.copy_dir ~src:source_dir ~dst:build_dir)
-       else OpamFilename.mkdir build_dir;
+       else
+         OpamFilename.mkdir build_dir;
        OpamAction.prepare_package_source t nv build_dir @@+ function
        | Some exn -> store_time (); Done (`Exception exn)
        | None ->
@@ -688,7 +691,8 @@ let parallel_apply t
          store_time ();
          Done (`Exception exn))
     | `Remove nv ->
-      (if OpamAction.removal_needs_download t nv then
+      (if not OpamStateConfig.(!r.dryrun)
+       && OpamAction.removal_needs_download t nv then
          let d = OpamPath.Switch.remove t.switch_global.root t.switch nv in
          OpamFilename.rmdir d;
          let source_dir = source_dir nv in
@@ -823,31 +827,32 @@ let parallel_apply t
   (* 2/ Display errors and finalize *)
 
   let save_installed_cache failed =
-    OpamSwitchState.Installed_cache.save
-      (OpamPath.Switch.installed_opams_cache t.switch_global.root t.switch)
-      (OpamPackage.Set.fold (fun nv opams ->
-           (* NOTE: We need to know whether an action was successful
-              or not to know which version of the opam file to store
-              in the case: the previous one if it failed, or the new
-              one if it succeeded. *)
-           let pkg_failed =
-             List.exists (function
-                 | `Fetch ps -> List.for_all (OpamPackage.equal nv) ps
-                 | `Build p | `Change (_, _, p) | `Install p
-                 | `Reinstall p | `Remove p -> OpamPackage.equal nv p)
-               failed
-           in
-           let add_to_opams opam =
-             let opam = OpamFile.OPAM.with_metadata_dir None opam in
-             OpamPackage.Map.add nv opam opams
-           in
-           if pkg_failed then
-             match OpamPackage.Map.find_opt nv t.installed_opams with
-             | None -> opams
-             | Some opam -> add_to_opams opam
-           else
-             add_to_opams (OpamSwitchState.opam t nv))
-          t.installed OpamPackage.Map.empty);
+    if not OpamStateConfig.(!r.dryrun) then
+      OpamSwitchState.Installed_cache.save
+        (OpamPath.Switch.installed_opams_cache t.switch_global.root t.switch)
+        (OpamPackage.Set.fold (fun nv opams ->
+             (* NOTE: We need to know whether an action was successful
+                or not to know which version of the opam file to store
+                in the case: the previous one if it failed, or the new
+                one if it succeeded. *)
+             let pkg_failed =
+               List.exists (function
+                   | `Fetch ps -> List.for_all (OpamPackage.equal nv) ps
+                   | `Build p | `Change (_, _, p) | `Install p
+                   | `Reinstall p | `Remove p -> OpamPackage.equal nv p)
+                 failed
+             in
+             let add_to_opams opam =
+               let opam = OpamFile.OPAM.with_metadata_dir None opam in
+               OpamPackage.Map.add nv opam opams
+             in
+             if pkg_failed then
+               match OpamPackage.Map.find_opt nv t.installed_opams with
+               | None -> opams
+               | Some opam -> add_to_opams opam
+             else
+               add_to_opams (OpamSwitchState.opam t nv))
+            t.installed OpamPackage.Map.empty);
   in
   begin match action_results with
   | `Exception _ | `Error Aborted -> ()
diff --git a/src/state/opamSwitchAction.ml b/src/state/opamSwitchAction.ml
index 4de422f6eab..3a690010aed 100644
--- a/src/state/opamSwitchAction.ml
+++ b/src/state/opamSwitchAction.ml
@@ -117,7 +117,8 @@ let add_to_reinstall st ~unpinned_only packages =
   let reinstall =
     current_reinstall ++ add_reinst_packages
   in
-  if OpamPackage.Set.equal current_reinstall reinstall then ()
+  if OpamStateConfig.(!r.dryrun)
+  || OpamPackage.Set.equal current_reinstall reinstall then ()
   else if OpamPackage.Set.is_empty reinstall then
     OpamFilename.remove (OpamFile.filename reinstall_file)
   else
diff --git a/src/state/opamSwitchState.ml b/src/state/opamSwitchState.ml
index f17a76eec77..8bb8cb59e46 100644
--- a/src/state/opamSwitchState.ml
+++ b/src/state/opamSwitchState.ml
@@ -419,7 +419,7 @@ let load lock_kind gt rt switch =
       let switch_config =
         {switch_config with invariant = Some invariant; opam_version}
       in
-      if lock_kind = `Lock_write then
+      if lock_kind = `Lock_write && not OpamStateConfig.(!r.dryrun) then
         OpamFile.Switch_config.write
           (OpamPath.Switch.switch_config gt.root switch)
           switch_config;
@@ -1285,7 +1285,7 @@ let update_pin nv opam st =
   { st with sys_packages; available_packages }
 
 let do_backup lock st = match lock with
-  | `Lock_write ->
+  | `Lock_write when not OpamStateConfig.(!r.dryrun) ->
     let file = OpamPath.Switch.backup st.switch_global.root st.switch in
     let previous_selections = selections st in
     OpamFile.SwitchSelections.write file previous_selections;
diff --git a/src/state/opamUpdate.ml b/src/state/opamUpdate.ml
index 43efdd590e1..a3293d14900 100644
--- a/src/state/opamUpdate.ml
+++ b/src/state/opamUpdate.ml
@@ -283,7 +283,24 @@ let pinned_package st ?version ?(autolock=false) ?(working_dir=false) name =
                   Filename.dir_sep ^ OpamFilename.SubPath.to_string sp) subpath))
     @@+ fun () ->
     (* Do the update *)
+    let srcdir0 = srcdir in
+    let srcdir, srcdir_find =
+      if OpamStateConfig.(!r.dryrun) then
+        let tmpdir = OpamFilename.mk_tmp_dir () in
+        tmpdir, OpamFilename.SubPath.(tmpdir /? subpath)
+      else
+        srcdir, srcdir_find
+    in
     fetch_dev_package urlf srcdir ~working_dir ?subpath nv @@+ fun result ->
+    let result =
+      match OpamStateConfig.(!r.dryrun), result with
+      | true, Result () ->
+        let base f = OpamFilename.Base.of_string (OpamFilename.Dir.to_string f) in
+        (match OpamRepositoryBackend.get_diff (OpamFilename.Dir.of_string "/") (base srcdir) (base srcdir0) with
+         | Some _ -> Result ()
+         | None -> Up_to_date ())
+      | _, (Result () | Up_to_date () | Not_available _) -> result
+    in
     let new_source_opam =
       OpamPinned.find_opam_file_in_source ?locked name srcdir_find
       >>= fun (f, lock) ->
@@ -332,16 +349,6 @@ let pinned_package st ?version ?(autolock=false) ?(working_dir=false) name =
       | Some a, Some b -> not (equal_opam a b)
     in
     let save_overlay opam =
-      OpamFilename.mkdir overlay_dir;
-      let opam_file = OpamPath.Switch.Overlay.opam root st.switch name in
-      List.iter OpamFilename.remove
-        OpamPath.Switch.Overlay.([
-            OpamFile.filename opam_file;
-            OpamFile.filename (url root st.switch name);
-            OpamFile.filename (descr root st.switch name);
-          ]);
-      let files_dir = OpamPath.Switch.Overlay.files root st.switch name in
-      OpamFilename.rmdir files_dir;
       let opam =
         OpamFile.OPAM.with_url urlf @@
         OpamFile.OPAM.with_name name opam
@@ -351,19 +358,30 @@ let pinned_package st ?version ?(autolock=false) ?(working_dir=false) name =
         then OpamFile.OPAM.with_version version opam
         else opam
       in
-      List.iter (fun (rel_file, content, hash) ->
-          match content with
-          | Some (lazy content) when OpamHash.check_string content hash ->
-            OpamFilename.write (OpamFilename.create files_dir rel_file) content
-          | None | Some _ ->
-            OpamConsole.warning "Ignoring file %s with invalid hash"
-              (OpamFilename.Base.to_string rel_file))
-        (OpamFile.OPAM.get_extra_files
-           ~get_repo_files:(OpamRepositoryState.get_repo_files st.switch_repos)
-           opam);
-      OpamFile.OPAM.write opam_file
-        (OpamFile.OPAM.with_extra_files_opt None opam);
-      opam
+      if OpamStateConfig.(!r.dryrun) then opam else
+        (OpamFilename.mkdir overlay_dir;
+         let opam_file = OpamPath.Switch.Overlay.opam root st.switch name in
+         List.iter OpamFilename.remove
+           OpamPath.Switch.Overlay.([
+               OpamFile.filename opam_file;
+               OpamFile.filename (url root st.switch name);
+               OpamFile.filename (descr root st.switch name);
+             ]);
+         let files_dir = OpamPath.Switch.Overlay.files root st.switch name in
+         OpamFilename.rmdir files_dir;
+         List.iter (fun (rel_file, content, hash) ->
+             match content with
+             | Some (lazy content) when OpamHash.check_string content hash ->
+               OpamFilename.write (OpamFilename.create files_dir rel_file) content
+             | None | Some _ ->
+               OpamConsole.warning "Ignoring file %s with invalid hash"
+                 (OpamFilename.Base.to_string rel_file))
+           (OpamFile.OPAM.get_extra_files
+              ~get_repo_files:(OpamRepositoryState.get_repo_files st.switch_repos)
+              opam);
+         OpamFile.OPAM.write opam_file
+           (OpamFile.OPAM.with_extra_files_opt None opam);
+         opam)
     in
     match result, new_source_opam with
     | Result _, Some new_opam
diff --git a/tests/reftests/dot-install.test b/tests/reftests/dot-install.test
index ac0310cc329..0141ead53c8 100644
--- a/tests/reftests/dot-install.test
+++ b/tests/reftests/dot-install.test
@@ -66,7 +66,7 @@ bonjour
 saluton
 ### OPAMYES=1
 ### opam switch create inst --empty
-### OPAMPRECISETRACKING=1 OPAMDEBUGSECTIONS="TRACK ACTION" OPAMDEBUG=-1
+### OPAMPRECISETRACKING=1 OPAMDEBUGSECTIONS="TRACK ACTION" OPAMDEBUG=-2
 ### opam install nodot
 The following actions will be performed:
 === install 1 package
@@ -75,6 +75,7 @@ The following actions will be performed:
 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
 ACTION                          download_package: nodot.~dev
 ACTION                          prepare_package_source: nodot.~dev at ${BASEDIR}/OPAM/inst/.opam-switch/build/nodot.~dev
+TRACK                           before install: 16 elements scanned in 0.000s
 ACTION                          Installing nodot.~dev.
 
 ACTION                          creating ${BASEDIR}/OPAM/inst/share/nodot
@@ -100,6 +101,7 @@ The following actions will be performed:
 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
 ACTION                          download_package: dot.~dev
 ACTION                          prepare_package_source: dot.~dev at ${BASEDIR}/OPAM/inst/.opam-switch/build/dot.~dev
+TRACK                           before install: 1 elements scanned in 0.000s
 ACTION                          Installing dot.~dev.
 
 ACTION                          creating ${BASEDIR}/OPAM/inst/share/dot
@@ -127,10 +129,10 @@ ACTION                          download_package: dot.~dev
 ACTION                          prepare_package_source: dot.~dev at ${BASEDIR}/OPAM/inst/.opam-switch/build/dot.~dev
 ACTION                          Removing dot.~dev
 -> removed   dot.~dev
+TRACK                           before install: 3 elements scanned in 0.000s
 Installing dot.~dev.
-TRACK                           after install: 0 elements, 0 added, scanned in 0.000s
+TRACK                           after install: 3 elements, 0 added, scanned in 0.000s
 -> installed dot.~dev
-ACTION                          Cleaning up artefacts of dot.~dev
 Done.
 ### ocaml cat.ml inst dot
 ==> dot installed file
@@ -167,8 +169,6 @@ The following actions will be simulated:
 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
 ACTION                          Removing dot.~dev
 -> removed   dot.~dev
-ACTION                          Cleaning up artefacts of dot.~dev
-ACTION                          Removing the local metadata
 Done.
 ### ocaml cat.ml inst dot
 ==> dot installed file
@@ -195,8 +195,9 @@ The following actions will be simulated:
 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
 ACTION                          download_package: dot.~dev
 ACTION                          prepare_package_source: dot.~dev at ${BASEDIR}/OPAM/inst/.opam-switch/build/dot.~dev
+TRACK                           before install: 1 elements scanned in 0.000s
 Installing dot.~dev.
-TRACK                           after install: 0 elements, 0 added, scanned in 0.000s
+TRACK                           after install: 1 elements, 0 added, scanned in 0.000s
 -> installed dot.~dev
 Done.
 ### ocaml cat.ml inst dot
diff --git a/tests/reftests/dryrun.test b/tests/reftests/dryrun.test
new file mode 100644
index 00000000000..34156c24bc9
--- /dev/null
+++ b/tests/reftests/dryrun.test
@@ -0,0 +1,1480 @@
+N0REP0
+### ::: Setup
+### OPAMYES=1
+### OPAMDEBUGSECTIONS="SYSTEM FILE(config) FILE(repos-config) FILE(repo) FILE(switch-config) FILE(switch-state) FILE(opam) FILE(environment) FILE(package-ve"
+### rm -rf OPAM
+### <opamrc>
+default-invariant: ["foo"]
+default-compiler: ["foo"]
+### opam init --config opamrc --bypass-check -na --bare ./REPO
+Configuring from ${BASEDIR}/opamrc and then from built-in defaults.
+
+<><> Fetching repository information ><><><><><><><><><><><><><><><><><><><><><>
+[default] Initialised
+### <pkg:foo.1>
+opam-version: "2.0"
+build: [ "touch" name ]
+install: [ "cp" name "%{lib}%/" ]
+remove: [ "rm" name  "%{lib}%/" ]
+### <pkg:bar.1>
+opam-version: "2.0"
+build: [ "touch" "bar" ]
+install: [ "cp" "bar" "%{lib}%/" ]
+remove: [ "true" ]
+### <add-url.sh>
+n=$1
+v=$2
+arch=$3
+basedir=$(printf '%s' "$BASEDIR" | sed 's/\\/\\\\/g')
+cat << EOF >> REPO/packages/$n/$n.$v/opam
+url {
+  src:"file://$basedir/$arch"
+  checksum: "md5=$(openssl md5 $arch | cut -f2 -d' ')"
+  }
+EOF
+### <initial.sh>
+case "$1" in
+  init)
+    cp -R OPAM initial
+    ;;
+  unpack)
+    rm -rf OPAM
+    cp -R initial OPAM
+    rm -rf nip
+    rm -rf REPO/packages/nip
+    ;;
+  *)
+    echo "init or unpack"
+    exit 2
+    ;;
+esac
+### <pre.sh>
+rm -rf previous
+cp -R OPAM previous
+rm -rf previous-local
+opamd="$1"/_opam
+if test -d $opamd; then
+  cp -R $opamd previous-local
+fi
+### <x-diff>
+.git
+log
+### <post-check.sh>
+set -u
+previous=$1
+current=$2
+drcode=0
+# If pathes are long, there is a diff between OSes
+for d in $previous $current; do
+  if test -f $d/config; then
+    sed -i.bak 's/: /:\n  /' $d/config
+    rm -f $d/config.bak
+  fi
+done
+diff --exclude-from="x-diff" -r $previous $current || drcode=$?
+find $previous -name .git | cut -f 2- -d '/' | sort > gitprevious
+find $current -name .git | cut -f 2- -d '/' | sort > gitcurrent
+gitDiff=$(diff gitprevious gitcurrent)
+gdrcode=$?
+if [ "$gdrcode" -ne 0 ]; then
+  echo "diff gitPrevious gitCurrent"
+  echo "$gitDiff"
+fi
+test "$(( $drcode + $gdrcode ))" -eq 0
+### <post.sh>
+sh post-check.sh previous OPAM
+### <post-local.sh>
+set -u
+opamd="$1"/_opam
+if test -d previous-local; then
+  if test -d $opamd; then
+    sh post-check.sh previous-local $opamd
+  else
+    echo "Local switch disappeared *woosh*"
+    find previous-local | sort
+    exit 3
+  fi
+else
+  if test -d $opamd; then
+    echo "No previous local switch, current contains:"
+    find $opamd | sort
+    exit 2
+  fi
+fi
+### sh initial.sh init
+### ::: Tests
+### :I: Switch
+### :I:1: Switch creation
+### :I:1:a: Global switch creation
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam switch create dr --dry-run foo | sed-cmd touch cp
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => write)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Processing  2/3: [foo: touch foo]
++ touch "foo" (CWD=${BASEDIR}/OPAM/dr/.opam-switch/build/foo.1)
+-> compiled  foo.1
+Processing  3/3: [foo: cp foo]
++ cp "foo" "${BASEDIR}/OPAM/dr/lib/" (CWD=${BASEDIR}/OPAM/dr/.opam-switch/build/foo.1)
+Installing foo.1.
+-> installed foo.1
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (write => none)
+SYSTEM                          LOCK  (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### :I:1:b: Local switch creation
+### sh initial.sh unpack
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam switch create ./nip --dry-run | sed-cmd touch cp
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => write)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Processing  2/3: [foo: touch foo]
++ touch "foo" (CWD=${BASEDIR}/nip/_opam/.opam-switch/build/foo.1)
+-> compiled  foo.1
+Processing  3/3: [foo: cp foo]
++ cp "foo" "${BASEDIR}/nip/_opam/lib/" (CWD=${BASEDIR}/nip/_opam/.opam-switch/build/foo.1)
+Installing foo.1.
+-> installed foo.1
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (write => none)
+SYSTEM                          LOCK  (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### sh post-local.sh nip
+### :I:1:c: Local switch creation with package
+### sh initial.sh unpack
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+### <nip/a-file>
+tauto
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam switch create ./nip --dry-run
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => write)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+FILE(opam)                      Read ${BASEDIR}/nip/nip.opam in 0.000s
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+The following actions will be simulated:
+=== install 1 package
+  - install nip dev (pinned)
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Installing nip.dev.
+-> installed nip.dev
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (write => none)
+SYSTEM                          LOCK  (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### sh post-local.sh nip
+### :I:1:d: Local switch creation with deps only
+### sh initial.sh unpack
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+depends: "bar"
+### <nip/a-file>
+tauto
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam switch create ./nip --deps-only --dry-run | sed-cmd touch cp
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => write)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+FILE(opam)                      Read ${BASEDIR}/nip/nip.opam in 0.000s
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+The following actions will be simulated:
+=== install 1 package
+  - install bar 1 [required by nip]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Processing  2/3: [bar: touch bar]
++ touch "bar" (CWD=${BASEDIR}/nip/_opam/.opam-switch/build/bar.1)
+-> compiled  bar.1
+Processing  3/3: [bar: cp bar]
++ cp "bar" "${BASEDIR}/nip/_opam/lib/" (CWD=${BASEDIR}/nip/_opam/.opam-switch/build/bar.1)
+Installing bar.1.
+-> installed bar.1
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (write => none)
+SYSTEM                          LOCK  (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### sh post-local.sh nip
+### :I:2: Switch removal
+### :I:2:a: Global switch removal
+### sh initial.sh unpack
+### <nip/a-file>
+tauto
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam switch remove dr --dry-run | unordered
+
+### sh post.sh
+### :I:2:b: Local switch removal
+### sh initial.sh unpack
+### <nip/a-file>
+tauto
+### opam switch create ./nip
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### sh pre.sh nip
+### OPAMVERBOSE=2 OPAMDEBUG=-5 OPAMDEBUGSECTIONS="" opam switch remove ./nip --dry-run | unordered
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+CLI                             Parsing CLI version 2.6
+### sh post.sh
+### sh post-local.sh nip
+### :II: Package installation
+### sh initial.sh unpack
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam install bar --dry-run | sed-cmd touch cp
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+The following actions will be simulated:
+=== install 1 package
+  - install bar 1
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Processing  2/3: [bar: touch bar]
++ touch "bar" (CWD=${BASEDIR}/OPAM/dr/.opam-switch/build/bar.1)
+-> compiled  bar.1
+Processing  3/3: [bar: cp bar]
++ cp "bar" "${BASEDIR}/OPAM/dr/lib/" (CWD=${BASEDIR}/OPAM/dr/.opam-switch/build/bar.1)
+Installing bar.1.
+-> installed bar.1
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### :III: Package removal
+### sh initial.sh unpack
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### opam install bar
+The following actions will be performed:
+=== install 1 package
+  - install bar 1
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed bar.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam remove bar --dry-run | sed-cmd true
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+The following actions will be simulated:
+=== remove 1 package
+  - remove bar 1
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Processing  2/2: [bar: true]
++ true (CWD=${BASEDIR}/OPAM/dr/.opam-switch/remove/bar.1)
+-> removed   bar.1
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### :III:a: Package removal --force
+### sh initial.sh unpack
+### opam switch create dr --empty
+### opam install foo
+The following actions will be performed:
+=== install 1 package
+  - install foo 1
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam remove bar --force --dry-run | sed-cmd true
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+[NOTE] Forcing removal of (uninstalled) bar.1
+-> removed   bar.1
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### :IV: Package reinstall
+### sh initial.sh unpack
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### opam install bar
+The following actions will be performed:
+=== install 1 package
+  - install bar 1
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed bar.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam reinstall bar --dry-run | sed-cmd touch true cp
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+The following actions will be simulated:
+=== recompile 1 package
+  - recompile bar 1
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Processing  2/4: [bar: touch bar]
++ touch "bar" (CWD=${BASEDIR}/OPAM/dr/.opam-switch/build/bar.1)
+-> compiled  bar.1
+Processing  3/4: [bar: true]
++ true (CWD=${BASEDIR}/OPAM/dr/.opam-switch/remove/bar.1)
+-> removed   bar.1
+Processing  4/4: [bar: cp bar]
++ cp "bar" "${BASEDIR}/OPAM/dr/lib/" (CWD=${BASEDIR}/OPAM/dr/.opam-switch/build/bar.1)
+Installing bar.1.
+-> installed bar.1
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### :V: Update
+### sh initial.sh unpack
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam update --dry-run
+opam: unknown option '--dry-run'.
+Usage: opam update [OPTION]… [NAMES]…
+Try 'opam update --help' or 'opam --help' for more information.
+# Return code 2 #
+### sh post.sh
+### :VI: Upgrade
+### sh initial.sh unpack
+### <pkg:bar.2>
+opam-version: "2.0"
+build: [ "touch" "bar" ]
+install: [ "cp" "bar" "%{lib}%/" ]
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### opam install bar.1
+The following actions will be performed:
+=== install 1 package
+  - install bar 1
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed bar.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam upgrade --dry-run | sed-cmd touch true cp
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+The following actions will be simulated:
+=== upgrade 1 package
+  - upgrade bar 1 to 2
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Processing  3/5: [bar: touch bar]
++ touch "bar" (CWD=${BASEDIR}/OPAM/dr/.opam-switch/build/bar.2)
+-> compiled  bar.2
+Processing  4/5: [bar: true]
++ true (CWD=${BASEDIR}/OPAM/dr/.opam-switch/remove/bar.1)
+-> removed   bar.1
+Processing  5/5: [bar: cp bar]
++ cp "bar" "${BASEDIR}/OPAM/dr/lib/" (CWD=${BASEDIR}/OPAM/dr/.opam-switch/build/bar.2)
+Installing bar.2.
+-> installed bar.2
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### :VII: Pinning
+### :VII:1: Pinning with no action
+### sh initial.sh unpack
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+### <nip/a-file>
+tauto
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam pin ./nip --no-action --dry-run | sed-cmd rsync | grep -v '- ./'
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(opam)                      Read ${BASEDIR}/nip/nip.opam in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+SYSTEM                          mkdir ${OPAMTMP}
+SYSTEM                          mkdir ${OPAMTMP}
+Processing  1/1: [nip: rsync]
++ rsync "-rLptgoDvc" "--exclude" ".git" "--exclude" "_darcs" "--exclude" ".hg" "--exclude" ".#*" "--exclude" "_opam*" "--exclude" "_build" "--delete" "--delete-excluded" "${BASEDIR}/nip/" "${OPAMTMP}"
+- a-file
+- nip.opam
+- 
+SYSTEM                          rmdir ${OPAMTMP}
+[NOTE] Package nip does not exist in opam repositories registered in the current switch.
+SYSTEM                          rmdir ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip
+nip is now pinned to file://${BASEDIR}/nip (version dev)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### :VII:2: Pinning directory with opam file
+### :VII:2:a: Pinning directory with opam file, no vcs
+### sh initial.sh unpack
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+### <nip/a-file>
+tauto
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam pin ./nip --dry-run | sed-cmd rsync | grep -v '- ./'
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(opam)                      Read ${BASEDIR}/nip/nip.opam in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+SYSTEM                          mkdir ${OPAMTMP}
+SYSTEM                          mkdir ${OPAMTMP}
+Processing  1/1: [nip: rsync]
++ rsync "-rLptgoDvc" "--exclude" ".git" "--exclude" "_darcs" "--exclude" ".hg" "--exclude" ".#*" "--exclude" "_opam*" "--exclude" "_build" "--delete" "--delete-excluded" "${BASEDIR}/nip/" "${OPAMTMP}"
+- a-file
+- nip.opam
+- 
+SYSTEM                          rmdir ${OPAMTMP}
+[NOTE] Package nip does not exist in opam repositories registered in the current switch.
+SYSTEM                          rmdir ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip
+nip is now pinned to file://${BASEDIR}/nip (version dev)
+
+The following actions will be simulated:
+=== install 1 package
+  - install nip dev (pinned)
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Installing nip.dev.
+-> installed nip.dev
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### :VII:2:b: Pinning directory with opam file, vcs
+### sh initial.sh unpack
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+### <nip/a-file>
+tauto
+### git -C nip init -q --initial-branch=master
+### git -C nip config core.autocrlf false
+### git -C nip add -A
+### git -C nip commit -qm init'
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam pin ./nip --dry-run | sed-cmd git | grep -v "HEAD is now" | grep -v "(mkdir|copy|copydir|rm) .*\\.git."
++ git "symbolic-ref" "--quiet" "--short" "HEAD" (CWD=${BASEDIR}/nip)
+- master
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(opam)                      Read ${BASEDIR}/nip/nip.opam in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+SYSTEM                          mkdir ${OPAMTMP}
+SYSTEM                          mkdir ${OPAMTMP}
+Processing  1/1: [nip: git]
++ git "init" (CWD=${OPAMTMP})
+- Initialized empty Git repository in ${OPAMTMP}/.git/
++ git "config" "--local" "fetch.prune" "false" (CWD=${OPAMTMP})
++ git "config" "--local" "diff.noprefix" "false" (CWD=${OPAMTMP})
++ git "config" "--local" "core.autocrlf" "false" (CWD=${OPAMTMP})
++ git "config" "--local" "core.eol" "lf" (CWD=${OPAMTMP})
++ git "config" "--local" "color.ui" "false" (CWD=${OPAMTMP})
++ git "remote" "add" "origin" "file://${BASEDIR}/nip" (CWD=${OPAMTMP})
++ git "remote" "set-url" "origin" "file://${BASEDIR}/nip" (CWD=${OPAMTMP})
++ git "fetch" "-q" "file://${BASEDIR}/nip" "--update-shallow" "+master:refs/remotes/opam-ref-master" (CWD=${OPAMTMP})
++ git "reset" "--hard" "refs/remotes/opam-ref-master" "--" (CWD=${OPAMTMP})
++ git "clean" "-fdx" (CWD=${OPAMTMP})
+SYSTEM                          rmdir ${OPAMTMP}
+[NOTE] Package nip does not exist in opam repositories registered in the current switch.
+SYSTEM                          rmdir ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip
+nip is now pinned to git+file://${BASEDIR}/nip#master (version dev)
+
+The following actions will be simulated:
+=== install 1 package
+  - install nip dev (pinned)
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Installing nip.dev.
+-> installed nip.dev
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### :VII:3: Pinning directory with no opam file, no vcs
+### sh initial.sh unpack
+### <pkg:nip.1>
+opam-version: "2.0"
+### <nip/a-file>
+tauto
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam pin nip ./nip --dry-run | sed-cmd rsync | grep -v '- ./'
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+SYSTEM                          mkdir ${OPAMTMP}
+SYSTEM                          mkdir ${OPAMTMP}
+[nip.1: rsync]
++ rsync "-rLptgoDvc" "--exclude" ".git" "--exclude" "_darcs" "--exclude" ".hg" "--exclude" ".#*" "--exclude" "_opam*" "--exclude" "_build" "--delete" "--delete-excluded" "${BASEDIR}/nip/" "${OPAMTMP}"
+- a-file
+- 
+SYSTEM                          rmdir ${OPAMTMP}
+[nip.1] synchronised (file://${BASEDIR}/nip)
+SYSTEM                          rmdir ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip
+nip is now pinned to file://${BASEDIR}/nip (version 1)
+
+The following actions will be simulated:
+=== install 1 package
+  - install nip 1 (pinned)
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Installing nip.1.
+-> installed nip.1
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### :VII:4: Version pinning
+### sh initial.sh unpack
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+### <nip/a-file>
+tauto
+### tar czf nip.tgz -C nip nip.opam a-file
+### <pkg:nip.1>
+opam-version: "2.0"
+### sh add-url.sh nip 1 nip.tgz
+### opam update
+
+<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>
+[default] synchronised from file://${BASEDIR}/REPO
+Now run 'opam upgrade' to apply any package updates.
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam pin nip 1 --dry-run | sed-cmd rsync
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+nip is now pinned to version 1
+
+The following actions will be simulated:
+=== install 1 package
+  - install nip 1 (pinned)
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Installing nip.1.
+-> installed nip.1
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### :VII:5: Pinning with pin-depends
+### sh initial.sh unpack
+### <pin:nip-d/nip-d.opam>
+opam-version: "2.0"
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+depends: "nip-d"
+### <add-pin-depend.sh>
+basedir=$(printf '%s' "$BASEDIR" | sed 's/\\/\\\\/g')
+cat << EOF >> nip/nip.opam
+pin-depends: [ "nip-d.1" "file://${basedir}/nip-d" ]
+EOF
+### sh add-pin-depend.sh
+### <nip/a-file>
+tauto
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam pin ./nip --dry-run | sed-cmd rsync | grep -v '- ./'
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(opam)                      Read ${BASEDIR}/nip/nip.opam in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+SYSTEM                          mkdir ${OPAMTMP}
+SYSTEM                          mkdir ${OPAMTMP}
+Processing  1/1: [nip: rsync]
++ rsync "-rLptgoDvc" "--exclude" ".git" "--exclude" "_darcs" "--exclude" ".hg" "--exclude" ".#*" "--exclude" "_opam*" "--exclude" "_build" "--delete" "--delete-excluded" "${BASEDIR}/nip/" "${OPAMTMP}"
+- a-file
+- nip.opam
+- 
+SYSTEM                          rmdir ${OPAMTMP}
+[NOTE] Package nip does not exist in opam repositories registered in the current switch.
+The following additional pinnings are required by nip.dev:
+  - nip-d.1 at file://${BASEDIR}/nip-d
+Pin and install them? [Y/n] y
+SYSTEM                          mkdir ${OPAMTMP}
+SYSTEM                          mkdir ${OPAMTMP}
+Processing  1/1: [nip-d: rsync]
++ rsync "-rLptgoDvc" "--exclude" ".git" "--exclude" "_darcs" "--exclude" ".hg" "--exclude" ".#*" "--exclude" "_opam*" "--exclude" "_build" "--delete" "--delete-excluded" "${BASEDIR}/nip-d/" "${OPAMTMP}"
+- nip-d.opam
+- 
+SYSTEM                          rmdir ${OPAMTMP}
+[NOTE] Package nip-d does not exist in opam repositories registered in the current switch.
+SYSTEM                          mkdir ${OPAMTMP}
+SYSTEM                          mkdir ${OPAMTMP}
+[nip-d.1: rsync]
++ rsync "-rLptgoDvc" "--exclude" ".git" "--exclude" "_darcs" "--exclude" ".hg" "--exclude" ".#*" "--exclude" "_opam*" "--exclude" "_build" "--delete" "--delete-excluded" "${BASEDIR}/nip-d/" "${OPAMTMP}"
+- nip-d.opam
+- 
+SYSTEM                          rmdir ${OPAMTMP}
+[nip-d.1] synchronised (file://${BASEDIR}/nip-d)
+FILE(opam)                      Read ${OPAMTMP}/nip-d.opam in 0.000s
+SYSTEM                          rmdir ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip-d
+nip-d is now pinned to file://${BASEDIR}/nip-d (version 1)
+SYSTEM                          rmdir ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip
+nip is now pinned to file://${BASEDIR}/nip (version dev)
+
+The following actions will be simulated:
+=== install 2 packages
+  - install nip   dev (pinned)
+  - install nip-d 1 (pinned)
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Installing nip-d.1.
+-> installed nip-d.1
+Installing nip.dev.
+-> installed nip.dev
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### :VII:6: Install a pinned package with working-dir that have changes
+### sh initial.sh unpack
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+### <nip/a-file>
+tauto
+### git -C nip init -q --initial-branch=master
+### git -C nip config core.autocrlf false
+### git -C nip add -A
+### git -C nip commit -qm init'
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### opam pin ./nip
+[NOTE] Package nip does not exist in opam repositories registered in the current switch.
+nip is now pinned to git+file://${BASEDIR}/nip#master (version dev)
+
+The following actions will be performed:
+=== install 1 package
+  - install nip dev (pinned)
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> retrieved nip.dev  (no changes)
+-> installed nip.dev
+Done.
+### <nip/another-file>
+otuat
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam install nip --working-dir --dry-run | sed-cmd git rsync | grep -v "(mkdir|copy|copydir|rm) .*\\.git." | 'rsync-files[^ "]*' -> 'rsync-files-xxx' | grep -v "HEAD is now" | unordered
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+FILE(opam)                      Read ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip/opam in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+
+<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
+FILE(opam)                      Read ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip/opam in 0.000s
+FILE(opam)                      Read ${BASEDIR}/OPAM/dr/.opam-switch/sources/nip/nip.opam in 0.000s
+SYSTEM                          mkdir ${OPAMTMP}
+SYSTEM                          mkdir ${OPAMTMP}
+Processing  1/1: [nip.dev: git]
++ git "init" (CWD=${OPAMTMP})
+- Initialized empty Git repository in ${OPAMTMP}/.git/
++ git "config" "--local" "fetch.prune" "false" (CWD=${OPAMTMP})
++ git "config" "--local" "diff.noprefix" "false" (CWD=${OPAMTMP})
++ git "config" "--local" "core.autocrlf" "false" (CWD=${OPAMTMP})
++ git "config" "--local" "core.eol" "lf" (CWD=${OPAMTMP})
++ git "config" "--local" "color.ui" "false" (CWD=${OPAMTMP})
++ git "remote" "add" "origin" "file://${BASEDIR}/nip" (CWD=${OPAMTMP})
++ git "remote" "set-url" "origin" "file://${BASEDIR}/nip" (CWD=${OPAMTMP})
++ git "fetch" "-q" "file://${BASEDIR}/nip" "--update-shallow" "+master:refs/remotes/opam-ref-master" (CWD=${OPAMTMP})
++ git "reset" "--hard" "refs/remotes/opam-ref-master" "--" (CWD=${OPAMTMP})
++ git "clean" "-fdx" (CWD=${OPAMTMP})
++ rsync "-rLptgoDvc" "--files-from" "${BASEDIR}/OPAM/log/rsync-files-xxx" "--exclude" ".git" "--exclude" "_darcs" "--exclude" ".hg" "--exclude" ".#*" "--exclude" "_opam*" "--exclude" "_build" "--delete" "--delete-excluded" "${BASEDIR}/nip/" "${OPAMTMP}"
+- another-file
+- 
+SYSTEM                          rm ${BASEDIR}/OPAM/log/rsync-files-xxx
+SYSTEM                          rmdir ${OPAMTMP}
+[nip.dev] synchronised (git+file://${BASEDIR}/nip#master)
+SYSTEM                          read /${OPAMTMP}/nip.opam
+SYSTEM                          read /${BASEDIR}/OPAM/dr/.opam-switch/sources/nip/nip.opam
+SYSTEM                          read /${OPAMTMP}/another-file
+SYSTEM                          read /${OPAMTMP}/a-file
+SYSTEM                          read /${BASEDIR}/OPAM/dr/.opam-switch/sources/nip/a-file
+SYSTEM                          write ${BASEDIR}/OPAM/log/patch-xxx
+
+The following actions will be simulated:
+=== recompile 1 package
+  - recompile nip dev (pinned)
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> removed   nip.dev
+Installing nip.dev.
+-> installed nip.dev
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### :VII:7: Pin removal
+### sh initial.sh unpack
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+### <nip/a-file>
+tauto
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### opam pin ./nip
+[NOTE] Package nip does not exist in opam repositories registered in the current switch.
+nip is now pinned to file://${BASEDIR}/nip (version dev)
+
+The following actions will be performed:
+=== install 1 package
+  - install nip dev (pinned)
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> retrieved nip.dev  (file://${BASEDIR}/nip)
+-> installed nip.dev
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam pin remove ./nip --dry-run | unordered
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+FILE(opam)                      Read ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip/opam in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+Ok, nip is no longer pinned to file://${BASEDIR}/nip (version dev)
+The following actions will be simulated:
+=== remove 1 package
+  - remove nip dev
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> removed   nip.dev
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### :VII:8: Pin triggered by install
+### sh initial.sh unpack
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+### <nip/a-file>
+tauto
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam install ./nip --dry-run
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+FILE(opam)                      Read ${BASEDIR}/nip/nip.opam in 0.000s
+The following actions will be simulated:
+=== install 1 package
+  - install nip dev (pinned)
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Installing nip.dev.
+-> installed nip.dev
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### :VII:9: Install local package with deps-only
+### sh initial.sh unpack
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+depends: "bar"
+### <nip/a-file>
+tauto
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam install ./nip --deps-only --dry-run | sed-cmd touch cp
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+FILE(opam)                      Read ${BASEDIR}/nip/nip.opam in 0.000s
+The following actions will be simulated:
+=== install 1 package
+  - install bar 1 [required by nip]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Processing  2/3: [bar: touch bar]
++ touch "bar" (CWD=${BASEDIR}/OPAM/dr/.opam-switch/build/bar.1)
+-> compiled  bar.1
+Processing  3/3: [bar: cp bar]
++ cp "bar" "${BASEDIR}/OPAM/dr/lib/" (CWD=${BASEDIR}/OPAM/dr/.opam-switch/build/bar.1)
+Installing bar.1.
+-> installed bar.1
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### :VII:10: Update of pin source triggered by install command
+### :VII:10:a: Update of pin source triggered by install command, with changes
+### :VII:10:a:1: Update of path-pin source triggered by install command, with changes
+### sh initial.sh unpack
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+build: [ "touch" "a-file" ]
+### <nip/a-file>
+tauto
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### opam pin ./nip
+[NOTE] Package nip does not exist in opam repositories registered in the current switch.
+nip is now pinned to file://${BASEDIR}/nip (version dev)
+
+The following actions will be performed:
+=== install 1 package
+  - install nip dev (pinned)
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> retrieved nip.dev  (file://${BASEDIR}/nip)
+-> installed nip.dev
+Done.
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+build: [ "touch" "a-file-snd" ]
+depends: "bar"
+### <nip/a-file-snd>
+tautond
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam install nip --dry-run | sed-cmd rsync touch cp | grep -v '- ./' | unordered
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+FILE(opam)                      Read ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip/opam in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+
+<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
+FILE(opam)                      Read ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip/opam in 0.000s
+FILE(opam)                      Read ${BASEDIR}/OPAM/dr/.opam-switch/sources/nip/nip.opam in 0.000s
+SYSTEM                          mkdir ${OPAMTMP}
+SYSTEM                          mkdir ${OPAMTMP}
+Processing  1/1: [nip.dev: rsync]
++ rsync "-rLptgoDvc" "--exclude" ".git" "--exclude" "_darcs" "--exclude" ".hg" "--exclude" ".#*" "--exclude" "_opam*" "--exclude" "_build" "--delete" "--delete-excluded" "${BASEDIR}/nip/" "${OPAMTMP}"
+- a-file
+- a-file-snd
+- nip.opam
+- 
+SYSTEM                          rmdir ${OPAMTMP}
+[nip.dev] synchronised (file://${BASEDIR}/nip)
+SYSTEM                          read /${OPAMTMP}/nip.opam
+SYSTEM                          read /${BASEDIR}/OPAM/dr/.opam-switch/sources/nip/nip.opam
+SYSTEM                          read /${OPAMTMP}/a-file-snd
+SYSTEM                          read /${OPAMTMP}/a-file
+SYSTEM                          read /${BASEDIR}/OPAM/dr/.opam-switch/sources/nip/a-file
+SYSTEM                          write ${BASEDIR}/OPAM/log/patch-xxx
+[nip] Installing new package description from upstream file://${BASEDIR}/nip
+
+The following actions will be simulated:
+=== recompile 1 package
+  - recompile nip dev (pinned)
+=== install 1 package
+  - install   bar 1            [required by nip]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Processing  3/7: [bar: touch bar]
++ touch "bar" (CWD=${BASEDIR}/OPAM/dr/.opam-switch/build/bar.1)
+-> compiled  bar.1
+-> removed   nip.dev
+Processing  5/7: [bar: cp bar]
++ cp "bar" "${BASEDIR}/OPAM/dr/lib/" (CWD=${BASEDIR}/OPAM/dr/.opam-switch/build/bar.1)
+Installing bar.1.
+-> installed bar.1
+Processing  6/7: [nip: touch a-file-snd]
++ touch "a-file-snd" (CWD=${BASEDIR}/OPAM/dr/.opam-switch/build/nip.dev)
+-> compiled  nip.dev
+Installing nip.dev.
+-> installed nip.dev
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### opam upgrade | unordered
+Already up-to-date.
+Nothing to do.
+### :VII:10:a:2: Update of git-pin source triggered by install command, with changes
+### sh initial.sh unpack
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+build: [ "touch" "a-file" ]
+### <nip/a-file>
+tauto
+### git -C nip init -q --initial-branch=master
+### git -C nip config core.autocrlf false
+### git -C nip add -A
+### git -C nip commit -qm init'
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### opam pin ./nip
+[NOTE] Package nip does not exist in opam repositories registered in the current switch.
+nip is now pinned to git+file://${BASEDIR}/nip#master (version dev)
+
+The following actions will be performed:
+=== install 1 package
+  - install nip dev (pinned)
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> retrieved nip.dev  (no changes)
+-> installed nip.dev
+Done.
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+build: [ "touch" "a-file-snd" ]
+depends: "bar"
+### <nip/a-file-snd>
+tautond
+### git -C nip add -A
+### git -C nip commit -qm 'update'
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam install nip --dry-run | sed-cmd git touch cp | grep -v '- ./' | grep -v "HEAD is now" | grep -v "(mkdir|copy|copydir|rm) .*\\.git." | unordered
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+FILE(opam)                      Read ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip/opam in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+
+<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
+FILE(opam)                      Read ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip/opam in 0.000s
+FILE(opam)                      Read ${BASEDIR}/OPAM/dr/.opam-switch/sources/nip/nip.opam in 0.000s
+Processing  1/1:
++ git "symbolic-ref" "--quiet" "--short" "HEAD" (CWD=${BASEDIR}/nip)
+- master
++ git "diff" "--no-ext-diff" "--quiet" "HEAD" (CWD=${BASEDIR}/nip)
++ git "ls-files" "--others" "--exclude-standard" (CWD=${BASEDIR}/nip)
+SYSTEM                          mkdir ${OPAMTMP}
+SYSTEM                          mkdir ${OPAMTMP}
+Processing  1/1: [nip.dev: git]
++ git "init" (CWD=${OPAMTMP})
+- Initialized empty Git repository in ${OPAMTMP}/.git/
++ git "config" "--local" "fetch.prune" "false" (CWD=${OPAMTMP})
++ git "config" "--local" "diff.noprefix" "false" (CWD=${OPAMTMP})
++ git "config" "--local" "core.autocrlf" "false" (CWD=${OPAMTMP})
++ git "config" "--local" "core.eol" "lf" (CWD=${OPAMTMP})
++ git "config" "--local" "color.ui" "false" (CWD=${OPAMTMP})
++ git "remote" "add" "origin" "file://${BASEDIR}/nip" (CWD=${OPAMTMP})
++ git "remote" "set-url" "origin" "file://${BASEDIR}/nip" (CWD=${OPAMTMP})
++ git "fetch" "-q" "file://${BASEDIR}/nip" "--update-shallow" "+master:refs/remotes/opam-ref-master" (CWD=${OPAMTMP})
++ git "reset" "--hard" "refs/remotes/opam-ref-master" "--" (CWD=${OPAMTMP})
++ git "clean" "-fdx" (CWD=${OPAMTMP})
+SYSTEM                          rmdir ${OPAMTMP}
+[nip.dev] synchronised (git+file://${BASEDIR}/nip#master)
+SYSTEM                          read /${OPAMTMP}/nip.opam
+SYSTEM                          read /${BASEDIR}/OPAM/dr/.opam-switch/sources/nip/nip.opam
+SYSTEM                          read /${OPAMTMP}/a-file-snd
+SYSTEM                          read /${OPAMTMP}/a-file
+SYSTEM                          read /${BASEDIR}/OPAM/dr/.opam-switch/sources/nip/a-file
+SYSTEM                          write ${BASEDIR}/OPAM/log/patch-xxx
+[nip] Installing new package description from upstream git+file://${BASEDIR}/nip#master
+
+The following actions will be simulated:
+=== recompile 1 package
+  - recompile nip dev (pinned)
+=== install 1 package
+  - install   bar 1            [required by nip]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+Processing  3/7: [bar: touch bar]
++ touch "bar" (CWD=${BASEDIR}/OPAM/dr/.opam-switch/build/bar.1)
+-> compiled  bar.1
+-> removed   nip.dev
+Processing  5/7: [bar: cp bar]
++ cp "bar" "${BASEDIR}/OPAM/dr/lib/" (CWD=${BASEDIR}/OPAM/dr/.opam-switch/build/bar.1)
+Installing bar.1.
+-> installed bar.1
+Processing  6/7: [nip: touch a-file-snd]
++ touch "a-file-snd" (CWD=${BASEDIR}/OPAM/dr/.opam-switch/build/nip.dev)
+-> compiled  nip.dev
+Installing nip.dev.
+-> installed nip.dev
+Done.
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### opam upgrade | unordered
+Already up-to-date.
+Nothing to do.
+### :VII:10:b: Update of pin source triggered by install command, with no changes
+### :VII:10:b:1: Update of path-pin source triggered by install command, with no changes
+### sh initial.sh unpack
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+build: [ "touch" "a-file" ]
+### <nip/a-file>
+tauto
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### opam pin ./nip
+[NOTE] Package nip does not exist in opam repositories registered in the current switch.
+nip is now pinned to file://${BASEDIR}/nip (version dev)
+
+The following actions will be performed:
+=== install 1 package
+  - install nip dev (pinned)
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> retrieved nip.dev  (file://${BASEDIR}/nip)
+-> installed nip.dev
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam install nip --dry-run | sed-cmd rsync | grep -v '- ./'
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+FILE(opam)                      Read ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip/opam in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+
+<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
+FILE(opam)                      Read ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip/opam in 0.000s
+FILE(opam)                      Read ${BASEDIR}/OPAM/dr/.opam-switch/sources/nip/nip.opam in 0.000s
+SYSTEM                          mkdir ${OPAMTMP}
+SYSTEM                          mkdir ${OPAMTMP}
+Processing  1/1: [nip.dev: rsync]
++ rsync "-rLptgoDvc" "--exclude" ".git" "--exclude" "_darcs" "--exclude" ".hg" "--exclude" ".#*" "--exclude" "_opam*" "--exclude" "_build" "--delete" "--delete-excluded" "${BASEDIR}/nip/" "${OPAMTMP}"
+- a-file
+- nip.opam
+- 
+SYSTEM                          rmdir ${OPAMTMP}
+[nip.dev] synchronised (file://${BASEDIR}/nip)
+SYSTEM                          read /${OPAMTMP}/nip.opam
+SYSTEM                          read /${BASEDIR}/OPAM/dr/.opam-switch/sources/nip/nip.opam
+SYSTEM                          read /${OPAMTMP}/a-file
+SYSTEM                          read /${BASEDIR}/OPAM/dr/.opam-switch/sources/nip/a-file
+
+[NOTE] Package nip is already installed (current version is dev).
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### opam upgrade | unordered
+Already up-to-date.
+Nothing to do.
+### :VII:10:b:2: Update of git-pin source triggered by install command, with no changes
+### sh initial.sh unpack
+### <pin:nip/nip.opam>
+opam-version: "2.0"
+build: [ "touch" "a-file" ]
+### <nip/a-file>
+tauto
+### git -C nip init -q --initial-branch=master
+### git -C nip config core.autocrlf false
+### git -C nip add -A
+### git -C nip commit -qm init'
+### opam switch create dr foo
+
+<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
+Switch invariant: ["foo"]
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> installed foo.1
+Done.
+### opam pin ./nip
+[NOTE] Package nip does not exist in opam repositories registered in the current switch.
+nip is now pinned to git+file://${BASEDIR}/nip#master (version dev)
+
+The following actions will be performed:
+=== install 1 package
+  - install nip dev (pinned)
+
+<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+-> retrieved nip.dev  (no changes)
+-> installed nip.dev
+Done.
+### sh pre.sh
+### OPAMVERBOSE=2 OPAMDEBUG=-5 opam install nip --dry-run | sed-cmd git | grep -v '- ./' | grep -v "HEAD is now"
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/lock (none => read)
+FILE(config)                    Read ${BASEDIR}/OPAM/config in 0.000s
+FILE(repos-config)              Read ${BASEDIR}/OPAM/repo/repos-config in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/state-magicv.cache (read => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (none => write)
+FILE(switch-config)             Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-config in 0.000s
+FILE(switch-state)              Read ${BASEDIR}/OPAM/dr/.opam-switch/switch-state in 0.000s
+FILE(opam)                      Read ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip/opam in 0.000s
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (none => read)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/packages/cache (read => none)
+
+<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
+FILE(opam)                      Read ${BASEDIR}/OPAM/dr/.opam-switch/overlay/nip/opam in 0.000s
+FILE(opam)                      Read ${BASEDIR}/OPAM/dr/.opam-switch/sources/nip/nip.opam in 0.000s
+Processing  1/1:
++ git "symbolic-ref" "--quiet" "--short" "HEAD" (CWD=${BASEDIR}/nip)
+- master
++ git "diff" "--no-ext-diff" "--quiet" "HEAD" (CWD=${BASEDIR}/nip)
++ git "ls-files" "--others" "--exclude-standard" (CWD=${BASEDIR}/nip)
+SYSTEM                          mkdir ${OPAMTMP}
+SYSTEM                          mkdir ${OPAMTMP}
+Processing  1/1: [nip.dev: git]
++ git "init" (CWD=${OPAMTMP})
+- Initialized empty Git repository in ${OPAMTMP}/.git/
++ git "config" "--local" "fetch.prune" "false" (CWD=${OPAMTMP})
++ git "config" "--local" "diff.noprefix" "false" (CWD=${OPAMTMP})
++ git "config" "--local" "core.autocrlf" "false" (CWD=${OPAMTMP})
++ git "config" "--local" "core.eol" "lf" (CWD=${OPAMTMP})
++ git "config" "--local" "color.ui" "false" (CWD=${OPAMTMP})
++ git "remote" "add" "origin" "file://${BASEDIR}/nip" (CWD=${OPAMTMP})
++ git "remote" "set-url" "origin" "file://${BASEDIR}/nip" (CWD=${OPAMTMP})
++ git "fetch" "-q" "file://${BASEDIR}/nip" "--update-shallow" "+master:refs/remotes/opam-ref-master" (CWD=${OPAMTMP})
++ git "reset" "--hard" "refs/remotes/opam-ref-master" "--" (CWD=${OPAMTMP})
++ git "clean" "-fdx" (CWD=${OPAMTMP})
+SYSTEM                          rmdir ${OPAMTMP}
+[nip.dev] synchronised (git+file://${BASEDIR}/nip#master)
+SYSTEM                          read /${OPAMTMP}/nip.opam
+SYSTEM                          read /${BASEDIR}/OPAM/dr/.opam-switch/sources/nip/nip.opam
+SYSTEM                          read /${OPAMTMP}/a-file
+SYSTEM                          read /${BASEDIR}/OPAM/dr/.opam-switch/sources/nip/a-file
+
+[NOTE] Package nip is already installed (current version is dev).
+SYSTEM                          LOCK ${BASEDIR}/OPAM/dr/.opam-switch/lock (write => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/repo/lock (none => none)
+SYSTEM                          LOCK ${BASEDIR}/OPAM/config.lock (none => none)
+### sh post.sh
+### opam upgrade | unordered
+Already up-to-date.
+Nothing to do.
diff --git a/tests/reftests/dune.inc b/tests/reftests/dune.inc
index c7e2640d96d..f7841ea2573 100644
--- a/tests/reftests/dune.inc
+++ b/tests/reftests/dune.inc
@@ -566,6 +566,27 @@
    %{targets}
    (run ./run.exe %{exe:../../src/client/opamMain.exe.exe} %{dep:download.test} %{read-lines:testing-env}))))
 
+(rule
+ (alias reftest-dryrun)
+ (enabled_if (and  (or (<> %{env:TESTALL=1} 0) (= %{env:TESTN0REP0=0} 1))))
+ (action
+  (diff dryrun.test dryrun.out)))
+
+(alias
+ (name reftest)
+ (enabled_if (and  (or (<> %{env:TESTALL=1} 0) (= %{env:TESTN0REP0=0} 1))))
+ (deps (alias reftest-dryrun)))
+
+(rule
+ (targets dryrun.out)
+ (deps root-N0REP0)
+ (enabled_if (and  (or (<> %{env:TESTALL=1} 0) (= %{env:TESTN0REP0=0} 1))))
+ (package opam)
+ (action
+  (with-stdout-to
+   %{targets}
+   (run ./run.exe %{exe:../../src/client/opamMain.exe.exe} %{dep:dryrun.test} %{read-lines:testing-env}))))
+
 (rule
  (alias reftest-effectively-equal)
  (enabled_if (and  (or (<> %{env:TESTALL=1} 0) (= %{env:TESTN0REP0=0} 1))))