feat: add regex pattern field on inputs

src/test/e2e/runner_inputs_test.go

@@ -158,4 +158,15 @@ func TestRunnerInputs(t *testing.T) {
 		require.NoError(t, err, stdOut, stdErr)
 		require.Contains(t, stdErr, "Input1Tmpl: input1 Input1Env: input1 Input2Tmpl: input2 Input2Env: input2 Input3Tmpl: notthedefault Input3Env: notthedefault Var: baz")
 	})
+
+	t.Run("test that invalid inputs are rejected", func(t *testing.T) {
+		stdOut, stdErr, err := e2e.Maru("run", "with:input-with-regex", "--file", "src/test/tasks/inputs/tasks.yaml", "--with", "not-empty-and-number=notanumber")
+		require.Error(t, err, stdOut, stdErr)
+	})
+
+	t.Run("test that inputs that match regex are accepted", func(t *testing.T) {
+		stdOut, stdErr, err := e2e.Maru("run", "with:input-with-regex", "--file", "src/test/tasks/inputs/tasks.yaml", "--with", "not-empty=hello!", "--with", "not-empty-and-number=12345")
+		require.NoError(t, err, stdOut, stdErr)
+		require.Contains(t, stdErr, "hello! 12345")
+	})
 }

src/test/tasks/inputs/tasks-with-inputs.yaml

@@ -77,3 +77,19 @@ tasks:
     actions:
       - cmd: |
           echo "Input1Tmpl: ${{ .inputs.input1 }} Input1Env: $INPUT_INPUT1 Input2Tmpl: ${{ .inputs.input2 }} Input2Env: ${INPUT_INPUT2} Input3Tmpl: ${{ .inputs.input3 }} Input3Env: $INPUT_INPUT3 Var: $FOO"
+
+  - name: input-with-regex
+    description: Test task that uses regex to validate inputs
+    inputs:
+      not-empty:
+        description: An input that should not be empty
+        required: true
+        default: ${SOME_NONEXISTENT_ENV_VAR}
+        pattern: ".+"
+      not-empty-and-number:
+        description: An input that should be a number
+        required: true
+        pattern: "[0-9]+"
+    actions:
+      - cmd: |
+          echo ${{ index .inputs "not-empty" }} ${{ index .inputs "not-empty-and-number" }}