1 files changed, 64 insertions, 0 deletions
diff --git a/bonus/git.cgi b/bonus/git.cgi
new file mode 100755
index 00000000..824874a3
--- /dev/null
+++ b/bonus/git.cgi
@@ -0,0 +1,64 @@
+#!/usr/bin/env -S qjs --std
+/* adds clickable links to commit hashes
+ * usage:
+ * 0. install QuickJS (https://bellard.org/quickjs)
+ * 1. put this script in your CGI directory
+ * 2. chmod +x /your/cgi-bin/directory/git.cgi
+ * 3. ln -s /your/cgi-bin/directory/git.cgi /usr/local/bin/gitcha
+ * 4. gitcha log
+ * other params work too, but for those it's more convenient to use git.
+ * (if you have ansi2html, it also works with w3m. just set GITCHA_CHA=w3m) */
+
+const gitcha = std.getenv("GITCHA_GITCHA") ?? "gitcha";
+if (scriptArgs[0].split('/').at(-1) == gitcha) {
+	const cha = std.getenv("GITCHA_CHA") ?? 'cha';
+	const params = encodeURIComponent(scriptArgs.slice(1)
+		.map(x => encodeURIComponent(x)).join(' '));
+	const [path, _] = os.getcwd();
+	const prefix = cha == "w3m" ? '/cgi-bin/' : "cgi-bin:";
+	os.exec([cha, `${prefix}git.cgi?params=${params}&path=${path}&prefix=${prefix}`]);
+	std.exit(0);
+}
+
+const query = {};
+for (const p of std.getenv("QUERY_STRING").split('&')) {
+	const sp = p.split('=');
+	query[decodeURIComponent(sp[0])] = decodeURIComponent(sp[1] ?? '');
+}
+
+os.chdir(query.path);
+
+const config = ["-c", "color.ui=always", "-c", "log.decorate=short"];
+const params = query.params ? decodeURIComponent(query.params).split(' ')
+	.map(x => decodeURIComponent(x)) : [];
+
+if (params[0] == "log") {
+	std.out.puts('Content-Type: text/html\n\n');
+	const [read_fd, write_fd] = os.pipe();
+	const [read_fd2, write_fd2] = os.pipe();
+	os.exec(["git", ...config, ...params], {
+		stdout: write_fd,
+		block: false
+	});
+	os.close(write_fd);
+	const libexecDir = std.getenv("CHA_LIBEXEC_DIR") ??
+		'/usr/local/libexec/chawan';
+	os.exec([libexecDir + "/ansi2html"], {
+		stdin: read_fd,
+		stdout: write_fd2,
+		block: false
+	});
+	os.close(read_fd);
+	os.close(write_fd2);
+	const f = std.fdopen(read_fd2, "r");
+	const cgi = `${query.prefix}git.cgi?prefix=${query.prefix}&path=${query.path}&params=show`;
+	while ((l = f.getline()) !== null) {
+		console.log(l.replace(/[a-f0-9]{40}/g,
+			x => `<a href='${cgi}%20${x}'>${x}</a>`));
+	}
+	f.close();
+} else {
+	std.out.puts('Content-Type: text/x-ansi\n\n');
+	const pid = os.exec(["git", ...config, ...params], {block: false});
+	waitpid(pid, 0);
+}