1 files changed, 38 insertions, 12 deletions

diff --git a/vrsite/static.go b/vrsite/static.go
index e4970c6..7d31b1d 100644
--- a/vrsite/static.go
+++ b/vrsite/static.go
@@ -33,20 +33,32 @@ func run(dir string, name string, args ...string) []byte {
 
 func buildSite(logPath, repoAbs, out, title string, theme, light *Theme) {
 	start := time.Now()
-	site := buildModel(title, readLog(logPath))
-	site.Theme, site.Light, site.Repo = theme, light, repoAbs
-	if site.Change == "" {
+	entries := readLog(logPath)
+	ranked := buildModel(title, entries, "").Ranked
+	if len(ranked) == 0 {
 		fatal("log has no jj change ids")
 	}
-
-	// every file in the repo at the site change; content comes from one
-	// git archive of the commit instead of a jj spawn per file
-	list, err := jjRun(repoAbs, "file", "list", "-r", site.Change)
-	if err != nil {
-		fmt.Fprintln(os.Stderr, err)
-		fatal("change %s is not in %s — logs are per repository; point -repo at the one the trace was recorded in", short(site.Change), repoAbs)
+	// the most-logged change this repo actually has: a log can span repos, and
+	// the busiest change in it may belong to another one
+	var change string
+	var list []byte
+	for _, c := range ranked {
+		out, err := jjRun(repoAbs, "file", "list", "-r", c)
+		if err == nil {
+			change, list = c, out
+			break
+		}
 	}
-	site.All = site.filesAt(strings.Split(strings.TrimRight(string(list), "\n"), "\n"), site.Change)
+	if change == "" {
+		fatal("none of the log's %d changes are in %s — logs are per repository; point -repo at the one the trace was recorded in",
+			len(ranked), repoAbs)
+	}
+	// an export is a picture of one change, so it holds only what was
+	// recorded there; the notes page says how much of the log that leaves out
+	site := buildModel(title, entries, change)
+	site.Change = change
+	site.Theme, site.Light, site.Repo = theme, light, repoAbs
+	site.All = site.filesAt(strings.Split(strings.TrimRight(string(list), "\n"), "\n"), change)
 
 	commit := strings.TrimSpace(string(mustJJ(repoAbs, "log", "-r", site.Change, "--no-graph", "-T", "commit_id")))
 	tmp, err := os.MkdirTemp("", "vrsite-")
@@ -140,8 +152,22 @@ func writeSite(site *Site, out, srcDir string) {
 	}
 
 	facets := site.Facets()
+	var info *Row
+	if rows, err := LogRows(site.Repo, site.Change, "", 1); err == nil {
+		for _, row := range rows {
+			if !row.Blank() {
+				r := row
+				info = &r
+				break
+			}
+		}
+	}
 	render := func(path string, p *page) {
-		p.Site, p.Facets, p.ChangeID = site, facets, site.Change
+		p.Site, p.Facets = site, facets
+		p.ChangeID, p.Default, p.ChangeInfo = site.Change, site.Change, info
+		p.Scope, p.Here = "change", site.NotesAt[site.Change]
+		p.Elsewhere = site.NotesTotal - p.Here
+		p.Files = site.All
 		f := mustCreate(path)
 		if err := tpl.Execute(f, p); err != nil {
 			fatal("render %s: %v", path, err)