30 lines
1012 B
TypeScript
30 lines
1012 B
TypeScript
|
import { execSync } from "node:child_process";
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Returns the current Git diff for the working directory. If the current
|
|||
|
|
* working directory is not inside a Git repository, `isGitRepo` will be
|
|||
|
|
* false and `diff` will be an empty string.
|
|||
|
|
*/
|
|||
|
|
export function getGitDiff(): {
|
|||
|
|
isGitRepo: boolean;
|
|||
|
|
diff: string;
|
|||
|
|
} {
|
|||
|
|
try {
|
|||
|
|
// First check whether we are inside a git repository. `rev‑parse` exits
|
|||
|
|
// with a non‑zero status code if not.
|
|||
|
|
execSync("git rev-parse --is-inside-work-tree", { stdio: "ignore" });
|
|||
|
|
|
|||
|
|
// If the above call didn’t throw, we are inside a git repo. Retrieve the
|
|||
|
|
// diff including color codes so that the overlay can render them.
|
|||
|
|
const output = execSync("git diff --color", {
|
|||
|
|
encoding: "utf8",
|
|||
|
|
maxBuffer: 10 * 1024 * 1024, // 10 MB ought to be enough for now
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
return { isGitRepo: true, diff: output };
|
|||
|
|
} catch {
|
|||
|
|
// Either git is not installed or we’re not inside a repository.
|
|||
|
|
return { isGitRepo: false, diff: "" };
|
|||
|
|
}
|
|||
|
|
}
|