add site info at footer

andrewpollack · andrewpollack · commit 0ee5f2a55826 · 2026-01-11T07:54:34.000-08:00
diff --git a/astro.config.mjs b/astro.config.mjs
@@ -1,10 +1,29 @@
 // @ts-check
 import { defineConfig } from 'astro/config';
+import { execSync } from 'child_process';
 
 import sitemap from "@astrojs/sitemap";
 
+function getCommitHash() {
+  // Cloudflare Pages provides this env var
+  if (process.env.CF_PAGES_COMMIT_SHA) {
+    return process.env.CF_PAGES_COMMIT_SHA.slice(0, 7);
+  }
+  // Fallback for local builds
+  try {
+    return execSync('git rev-parse --short HEAD').toString().trim();
+  } catch {
+    return 'dev';
+  }
+}
+
 export default defineConfig({
   site: "https://andrewpollack.dev",
   trailingSlash: "always",
   integrations: [sitemap()],
+  vite: {
+    define: {
+      __COMMIT_HASH__: JSON.stringify(getCommitHash()),
+    },
+  },
 });
diff --git a/src/components/Footer.astro b/src/components/Footer.astro
@@ -4,4 +4,7 @@
     <a href="https://www.linkedin.com/in/andrewpkq">LinkedIn</a> |
     <a href="https://bsky.app/profile/andrewpollack.dev">BlueSky</a>
   </p>
+  <p class="commit">
+    Site version <a href={`https://github.com/andrewpollack/site/commit/${__COMMIT_HASH__}`}>{__COMMIT_HASH__}</a>, <a href="https://github.com/andrewpollack/site">source code</a>
+  </p>
 </footer>
diff --git a/src/env.d.ts b/src/env.d.ts
@@ -0,0 +1,3 @@
+/// <reference types="astro/client" />
+
+declare const __COMMIT_HASH__: string;
diff --git a/src/styles/style.css b/src/styles/style.css
@@ -199,6 +199,22 @@ footer {
   color: var(--muted-text);
 }
 
+footer .commit {
+  font-size: 0.8em;
+  opacity: 0.6;
+  margin-top: 4px;
+  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
+}
+
+footer .commit a {
+  font-weight: 400;
+  text-decoration: none;
+}
+
+footer .commit a:hover {
+  text-decoration: underline;
+}
+
 /* -------------------------
    Typography
    ------------------------- */

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+/// <reference types="astro/client" />`
	`2`	`+`
	`3`	`+declare const __COMMIT_HASH__: string;`