Keep commit counts fresh on static pages

Modifiedinternal/site/navigation.go +14−1

 	"encoding/json"
 	"path"
 	"sort"
+	"strconv"
 )
 type repositoryNavigation struct {
 	URL  string `json:"url"`
 }
+func branchStylePage(branch string, commitCount int) Page {
+	return Page{
+		Route:       path.Join(".dumbforge/branches", branchRouteSegment(branch)+".css"),
+		Body:        []byte(`[data-commit-count]::before { content: "` + strconv.Itoa(commitCount) + `"; }` + "\n"),
+		ContentType: "text/css; charset=utf-8",
+		Cache:       siteCache,
+	}
+}
 func (g *Generator) SetBranches(branches []string, defaultBranch string) {
 	seen := map[string]struct{}{}
 	g.Branches = g.Branches[:0]
 		Cache:       siteCache,
 	}}}
 	for _, branch := range deletedBranches {
-		build.Deletes = append(build.Deletes, path.Join(".dumbforge/files", branchRouteSegment(branch)+".json"))
+		build.Deletes = append(build.Deletes,
+			path.Join(".dumbforge/files", branchRouteSegment(branch)+".json"),
+			path.Join(".dumbforge/branches", branchRouteSegment(branch)+".css"),
+		)
 	}
 	return build, nil
 }

Modifiedinternal/site/site.go +3−1

 	CommitGroups     []CommitGroup
 	ViewedCommit     CommitView
 	BranchesURL      string
+	BranchStyleURL   string
 	FilesURL         string
 	DefaultBranch    string
 	GitHubImportURL  string
 	if err != nil {
 		return Build{}, err
 	}
-	result.Pages = append(result.Pages, commitsPage)
+	result.Pages = append(result.Pages, commitsPage, branchStylePage(branch, summary.Count))
 	if oldOID == "" {
 		filesPage, err := g.filesPage(ctx, branch, newOID)
 		CommitsURL:       summary.CommitsURL,
 		CommitGroups:     summary.Groups,
 		BranchesURL:      routeURL(g.BaseURL, ".dumbforge/repository.json"),
+		BranchStyleURL:   routeURL(g.BaseURL, path.Join(".dumbforge/branches", branchRouteSegment(branch)+".css")),
 		FilesURL:         routeURL(g.BaseURL, path.Join(".dumbforge/files", branchRouteSegment(branch)+".json")),
 		DefaultBranch:    g.DefaultBranch,
 		GitHubImportURL:  "https://github.com/new/import",

Modifiedinternal/site/site_test.go +7−3

 	assertPage(t, full, "", `absolute >= 604800`)
 	assertPage(t, full, "", ".dumbforge/assets/gabriel-mark.svg")
 	assertPage(t, full, "", `.dumbforge/assets/site.css?v=`+generator.AssetVersion())
+	assertPage(t, full, "", `.dumbforge/branches/main.css`)
+	assertPage(t, full, ".dumbforge/branches/main.css", `content: "1"`)
+	assertPage(t, full, "", `class="counter" data-commit-count`)
 	assertPage(t, full, ".dumbforge/assets/site.css", "@media (prefers-color-scheme: light)")
 	assertPage(t, full, ".dumbforge/assets/site.css", ".commit-list-message { overflow: hidden; color: var(--text);")
 	assertPage(t, full, "", `<span class="header-owner">owner</span><span>/</span>`)
 	if err != nil {
 		t.Fatal(err)
 	}
-	if len(incremental.Pages) != 6 {
+	if len(incremental.Pages) != 7 {
-		t.Fatalf("incremental build generated %d pages, want 6", len(incremental.Pages))
+		t.Fatalf("incremental build generated %d pages, want 7", len(incremental.Pages))
 	}
 	for _, page := range incremental.Pages {
 		if strings.HasPrefix(page.Route, ".dumbforge/assets/") || page.Route == ".dumbforge/site-version" {
 	assertPage(t, incremental, "tree/main/src", `commit/`+second+`" title="change one file">change one file</a>`)
 	assertPage(t, incremental, "", `commit/`+first+`" title="initial">initial</a>`)
 	assertPage(t, incremental, "commits/main", "change one file")
+	assertPage(t, incremental, ".dumbforge/branches/main.css", `content: "2"`)
 	assertPage(t, incremental, "commit/"+second, `class="diff-code old deletion`)
 	assertPage(t, incremental, "commit/"+second, `class="diff-kd"`)
 	assertPage(t, incremental, "commit/"+second, `changed`)
 	}
 	assertPage(t, build, ".dumbforge/repository.json", `"defaultBranch":"main"`)
 	assertPage(t, build, ".dumbforge/repository.json", `"branches":["main","topic"]`)
-	if len(build.Deletes) != 1 || build.Deletes[0] != ".dumbforge/files/old.json" {
+	if len(build.Deletes) != 2 || build.Deletes[0] != ".dumbforge/files/old.json" || build.Deletes[1] != ".dumbforge/branches/old.css" {
 		t.Fatalf("navigation deletes = %#v", build.Deletes)
 	}
 }

Modifiedinternal/site/template.go +4−3

   <link rel="icon" type="image/png" sizes="256x256" href="{{.BaseURL}}/.dumbforge/assets/gabriel-mark.png">
   <link rel="icon" type="image/svg+xml" href="{{.BaseURL}}/.dumbforge/assets/gabriel-mark.svg">
   <link rel="stylesheet" href="{{.BaseURL}}/.dumbforge/assets/site.css?v={{.AssetVersion}}">
+  <link rel="stylesheet" href="{{.BranchStyleURL}}">
 </head>
 <body data-base-url="{{.BaseURL}}" data-route-kind="{{.Kind}}" data-route-path="{{.Path}}" data-current-branch="{{.Branch}}" data-default-branch="{{.DefaultBranch}}" data-branches-url="{{.BranchesURL}}" data-files-url="{{.FilesURL}}">
   <header class="topbar">
   <section class="repo-nav">
     <nav class="tabs" aria-label="Repository">
       <a class="tab {{if and (ne .Kind "commits") (ne .Kind "commit")}}active{{end}}" href="{{.BaseURL}}">{{icon "code"}} Code</a>
-      <a class="tab {{if or (eq .Kind "commits") (eq .Kind "commit")}}active{{end}}" href="{{.CommitsURL}}">{{icon "history"}} Commits <span class="counter">{{.CommitCount}}</span></a>
+      <a class="tab {{if or (eq .Kind "commits") (eq .Kind "commit")}}active{{end}}" href="{{.CommitsURL}}">{{icon "history"}} Commits <span class="counter" data-commit-count></span></a>
     </nav>
   </section>
           {{template "branch-menu" .}}
           <span class="toolbar-spacer"></span>
           {{template "go-file-button" .}}
-          <span class="history-total">{{icon "history"}} {{.CommitCount}} commits</span>
+          <span class="history-total">{{icon "history"}} <span data-commit-count></span> commits</span>
         </div>
         <div class="history-heading"><h1>Commit history</h1><p>Browse every commit reachable from <strong>{{.Branch}}</strong>.</p></div>
         {{range .CommitGroups}}<section class="commit-group">
     <div class="latest-commit"><strong>{{.Commit.Author}}</strong><a class="commit-message" href="{{.Commit.URL}}">{{.Commit.Message}}</a></div>
     <a class="commit-hash" href="{{.Commit.URL}}">{{.Commit.ShortOID}}</a>
     <time datetime="{{.Commit.DateTime}}" data-smart-time>{{.Commit.Date}}</time>
-    <a class="commit-count-link" href="{{.CommitsURL}}">{{icon "history"}}<strong>{{.CommitCount}}</strong> commits</a>
+    <a class="commit-count-link" href="{{.CommitsURL}}">{{icon "history"}}<strong data-commit-count></strong> commits</a>
   </div>
   <div class="tree-rows">
     {{if .ParentURL}}<div class="tree-row parent-row"><a class="file-icon parent-icon" href="{{.ParentURL}}" aria-label="Parent directory">{{icon "back"}}</a><a class="file-name" href="{{.ParentURL}}">..</a><span></span><span></span></div>{{end}}

Commit `56966ad`

Go to file

Commit 56966ad

Commit `56966ad`