/**
* Git utility functions for detecting repository context
*/
import { exec } from "child_process";
import { promisify } from "util";
import { logger } from "./logger.js";
const execAsync = promisify(exec);
export interface GitContext {
is_git_repo: boolean;
repository?: string;
branch?: string;
has_uncommitted_changes?: boolean;
}
/**
* Detect git repository context from a working directory
*/
export async function detectGitContext(cwd: string): Promise<GitContext> {
try {
await execAsync("git rev-parse --is-inside-work-tree", { cwd });
} catch {
return { is_git_repo: false };
}
let repository: string | undefined;
try {
const { stdout: remoteUrl } = await execAsync("git remote get-url origin", {
cwd,
});
repository = remoteUrl.trim();
// Convert SSH to HTTPS
if (repository.startsWith("git@github.com:")) {
repository = repository
.replace("git@github.com:", "https://github.com/")
.replace(/\.git$/, "");
} else if (repository.endsWith(".git")) {
repository = repository.replace(/\.git$/, "");
}
} catch {
// Try any remote
try {
const { stdout: remotes } = await execAsync("git remote", { cwd });
const firstRemote = remotes.trim().split("\n")[0];
if (firstRemote) {
const { stdout: remoteUrl } = await execAsync(
`git remote get-url ${firstRemote}`,
{ cwd }
);
repository = remoteUrl.trim();
}
} catch {
// No remotes
logger.debug("No git remotes found", { cwd });
}
}
let branch: string | undefined;
try {
const { stdout } = await execAsync("git branch --show-current", { cwd });
branch = stdout.trim() || undefined;
if (!branch) {
const { stdout: commit } = await execAsync("git rev-parse --short HEAD", {
cwd,
});
branch = `detached@${commit.trim()}`;
}
} catch {
logger.debug("Could not determine git branch", { cwd });
}
let has_uncommitted_changes = false;
try {
const { stdout } = await execAsync("git status --porcelain", { cwd });
has_uncommitted_changes = stdout.trim().length > 0;
} catch {
// Ignore
}
return { is_git_repo: true, repository, branch, has_uncommitted_changes };
}
