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[dashboard] Render vertical commit hash headers #1895

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Merged
vitalybuka merged 5 commits into from
Oct 7, 2026
Merged

[dashboard] Render vertical commit hash headers #1895

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c254264
[dashboard] Render vertical commit hash headers
vitalybuka Oct 7, 2026
e810ed8
fixup! [dashboard] Render vertical commit hash headers
vitalybuka Oct 7, 2026
3e62339
fixup! [dashboard] Render vertical commit hash headers
vitalybuka Oct 7, 2026
89dae75
fixup! [dashboard] Render vertical commit hash headers
vitalybuka Oct 7, 2026
b9d8aec
fixup! [dashboard] Render vertical commit hash headers
vitalybuka Oct 7, 2026
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103 changes: 72 additions & 31 deletions dashboard/dashboard.go
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Original file line number Diff line number Diff line change
Expand Up @@ -142,7 +142,12 @@ func saveCache(path string, cache map[string]statusLine) {
}
}

func fetchCommits(repoPath string) map[string]int {
type commitInfo struct {
Hash string
Title string
}

func fetchCommits(repoPath string) ([]commitInfo, map[string]int) {
if _, err := os.Stat(filepath.Join(repoPath, "HEAD")); err == nil {
cmd := exec.Command("git", "--git-dir="+repoPath, "fetch", "-u", "--no-tags", "--filter=tree:0", "origin", "+main:main")
if out, err := cmd.CombinedOutput(); err != nil {
Expand All @@ -153,25 +158,36 @@ func fetchCommits(repoPath string) map[string]int {
cmd := exec.Command("git", "clone", "--bare", "--no-tags", "--filter=tree:0", "--depth=10000", "--single-branch", "-b", "main", "https://github.com/llvm/llvm-project.git", repoPath)
if out, err := cmd.CombinedOutput(); err != nil {
fmt.Fprintf(os.Stderr, "git clone failed: %v: %s\n", err, out)
return nil
return nil, nil
}
}
out, err := exec.Command("git", "--git-dir="+repoPath, "rev-list", "-n", "10000", "main").Output()
out, err := exec.Command("git", "--git-dir="+repoPath, "log", "-n", "10000", "--format=%H\t%s", "main").Output()
if err != nil {
fmt.Fprintf(os.Stderr, "git rev-list failed: %v\n", err)
return nil
fmt.Fprintf(os.Stderr, "git log failed: %v\n", err)
return nil, nil
}
lines := strings.Split(strings.TrimSpace(string(out)), "\n")
var list []commitInfo
commits := make(map[string]int, len(lines))
for _, line := range lines {
if line == "" {
continue
}
parts := strings.SplitN(line, "\t", 2)
h := parts[0]
title := ""
if len(parts) > 1 {
title = parts[1]
}
commits[h] = len(list)
list = append(list, commitInfo{Hash: h, Title: title})
}
hashes := strings.Fields(string(out))
topCommit := ""
if len(hashes) > 0 {
topCommit = hashes[0]
}
fmt.Fprintf(os.Stderr, "Loaded %d commits from %s (top: %s)\n", len(hashes), repoPath, topCommit)
commits := make(map[string]int, len(hashes))
for i, h := range hashes {
commits[h] = i
if len(list) > 0 {
topCommit = list[0].Hash
}
return commits
fmt.Fprintf(os.Stderr, "Loaded %d commits from %s (top: %s)\n", len(list), repoPath, topCommit)
return list, commits
}

func mergeStatusLine(fresh, cached statusLine) statusLine {
Expand Down Expand Up @@ -481,7 +497,9 @@ func main() {
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<meta http-equiv="refresh" content="43200">
<style type="text/css">
body { color: white; font-family: 'Open Sans', sans-serif; font-size: 24px; }
html, body { height: 100%; margin: 0; overflow: hidden; }
body { color: white; font-family: 'Open Sans', sans-serif; font-size: 24px; display: flex; flex-direction: column; justify-content: flex-end; box-sizing: border-box; padding: 8px; }
p { margin: 0.25em 0 0 0; }
a { color: inherit; text-decoration: none; }
h2 { margin: .25em 0 0 0; font-size: 110%; }
@keyframes spin {
Expand All @@ -496,11 +514,16 @@ h2 { margin: .25em 0 0 0; font-size: 110%; }
.warning.symbol::before { content: ""; display: inline-block; position: relative; top: -2px; box-sizing: border-box; width: 0.8ch; height: 0.8ch; border: 2px solid #444; border-top-color: #ffd600; border-radius: 50%; animation: spin 3.2s linear infinite; }
.other { color: #e040fb; text-shadow: 0 0 8px rgba(224, 64, 251, 0.55); }
.other.symbol::before { content: "~"; font-family: 'Inconsolata', monospace; font-weight: bold;}
.missing { color: #444; }
.missing { color: #666; }
.missing.symbol::before { content: "\00b7"; font-family: 'Inconsolata', monospace; font-weight: bold;}
td.timeline > .missing:nth-child(even) { color: #333; }
.symbol { display: inline-block; width: 1ch; text-align: center; }
.symbol:has(.commit) { vertical-align: bottom; }
.commit { display: inline-block; writing-mode: sideways-lr; white-space: nowrap; font-size: 12px; line-height: 12px; color: #aaa; padding-bottom: 4px; }
td.timeline > :nth-child(even) .commit { color: #666; }
table {
width: 100%;
flex-shrink: 0;
}
td { white-space: nowrap; padding-right: 0.6em; }
td.timeline { width: 100%; max-width: 0; overflow: hidden; padding-right: 0; font-family: 'Inconsolata', monospace; }
Expand Down Expand Up @@ -570,7 +593,7 @@ $(function() {
errors[status.n] = status.err
}
saveCache(cachePath, cache)
commits := fetchCommits(filepath.Join(*cacheDir, "llvm-project.git"))
commitList, commits := fetchCommits(filepath.Join(*cacheDir, "llvm-project.git"))

maxDist := 0
for i := range bots {
Expand All @@ -588,25 +611,43 @@ $(function() {
}
}

for i := range bots {
if !statuses[i].Lastbuild.IsZero() && time.Since(statuses[i].Lastbuild) > 7*24*time.Hour {
continue
}
tr := func(s string) string {
return fmt.Sprintf("<tr>%s</tr>", s)
}

tr := func(s string) string {
return fmt.Sprintf("<tr>%s</tr>", s)
}
td := func(attrs string, s string) string {
return fmt.Sprintf("<td %s>%s</td>", attrs, s)
}

td := func(attrs string, s string) string {
return fmt.Sprintf("<td %s>%s</td>", attrs, s)
}
span := func(class string, s string) string {
return fmt.Sprintf("<span class=\"%s\">%s</span>", class, s)
}

span := func(class string, s string) string {
return fmt.Sprintf("<span class=\"%s\">%s</span>", class, s)
a := func(url string, text string) string {
return fmt.Sprintf("<a href=\"%s\" target=_top>%s</a>", url, text)
}

if len(commitList) > 0 {
var header strings.Builder
for d := 0; d <= maxDist && d < len(commitList); d++ {
c := commitList[d]
short := c.Hash
if len(short) > 7 {
short = short[:7]
}
escapedTitle := html.EscapeString(c.Title)
label := short + " " + escapedTitle
commitUrl := "https://github.com/llvm/llvm-project/commit/" + c.Hash
fmt.Fprintf(&header, "<a href=\"%s\" target=_top title=\"%s (-%d) %s\">%s</a>",
commitUrl, c.Hash, d, escapedTitle, span("symbol", span("commit", label)))
}
r := td("", "") + td("", "") + td("", "") + td("class=\"timeline\"", header.String())
fmt.Println(tr(r))
}

a := func(url string, text string) string {
return fmt.Sprintf("<a href=\"%s\" target=_top>%s</a>", url, text)
for i := range bots {
if !statuses[i].Lastbuild.IsZero() && time.Since(statuses[i].Lastbuild) > 7*24*time.Hour {
continue
}

class := func(s status) string {
Expand Down
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