From 1e89608d11bd66f353a96efdeaadc9880309cc35 Mon Sep 17 00:00:00 2001
From: Chris Wanstrath <chris@ozmm.org>
Date: Mon, 23 Feb 2026 21:28:23 -0800
Subject: [PATCH] Add stat formatting with colorized diff indicators

---
 src/commands/web.ts | 17 ++++++++++++++++-
 src/git.ts          |  2 +-
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/commands/web.ts b/src/commands/web.ts
index 1f4b95b..757d3e1 100644
--- a/src/commands/web.ts
+++ b/src/commands/web.ts
@@ -25,7 +25,7 @@ export async function action(branch: string) {
     .replaceAll("{{BRANCH}}", escapeHtml(branch))
     .replace("{{PROMPT_SECTION}}", () => session.prompt ? `<p class="prompt">${escapeHtml(session.prompt)}</p>` : "")
     .replace("{{LOG_SECTION}}", () => log ? `<div class="meta-section"><h3>Commits</h3><pre>${escapeHtml(log)}</pre></div>` : "")
-    .replace("{{STAT_SECTION}}", () => stat ? `<div class="meta-section"><h3>Stats</h3><pre>${escapeHtml(stat)}</pre></div>` : "")
+    .replace("{{STAT_SECTION}}", () => stat ? `<div class="meta-section"><h3>Stats</h3><pre>${formatStat(stat)}</pre></div>` : "")
     .replace("{{DIFF_JSON}}", () => diffJson)
 
   const tmpPath = `/tmp/sandlot-${branch}.html`
@@ -33,6 +33,21 @@ export async function action(branch: string) {
   await $`open ${tmpPath}`.nothrow().quiet()
 }
 
+function formatStat(raw: string): string {
+  // strip leading space from lines to match the unindented first line
+  const trimmed = raw.split("\n").map(l => l.startsWith(" ") ? l.slice(1) : l).join("\n")
+  const escaped = escapeHtml(trimmed)
+  // colorize + and - in the bar portion (after the |)
+  return escaped.split("\n").map(line => {
+    const pipe = line.indexOf("|")
+    if (pipe === -1) return line
+    return line.slice(0, pipe + 1) +
+      line.slice(pipe + 1)
+        .replace(/\+/g, '<span style="color:#3fb950">+</span>')
+        .replace(/-/g, '<span style="color:#f85149">-</span>')
+  }).join("\n")
+}
+
 function escapeHtml(str: string): string {
   return str
     .replace(/&/g, "&amp;")
diff --git a/src/git.ts b/src/git.ts
index 7afd7de..5aee49f 100644
--- a/src/git.ts
+++ b/src/git.ts
@@ -198,7 +198,7 @@ export async function commitLog(range: string, cwd: string): Promise<string> {
 
 /** Get a diff stat summary for a revision range. Returns empty string on failure. */
 export async function diffStat(range: string, cwd: string): Promise<string> {
-  const result = await $`git diff --stat ${range}`.cwd(cwd).nothrow().quiet()
+  const result = await $`git diff --stat --stat-width=68 ${range}`.cwd(cwd).nothrow().quiet()
   if (result.exitCode !== 0) return ""
   return result.text().trim()
 }