import { run } from "./run.js";
// Returns the most recent git commit hash for a given filename
export async function getGitTag(filename) {
    const result = await run("git", ["log", "-n", "1", "--", filename]);
    if (!result.ok) {
        throw new Error(`git log error`);
    }
    let log = result.stdout.trim();
    if (!log) {
        return null;
    }
    const hashMatch = log.match(/^commit\s+([0-9a-f]{40})\n/i);
    if (!hashMatch) {
        return null;
    }
    return hashMatch[1];
}
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