Function getGitFileContent

packages/cli/src/routes/diff.ts:154–169

(
	cwd: string,
	ref: string,
	filePath: string,
)

	oldIsSymlink: boolean;
	newIsSymlink: boolean;
	/**
	 * A pure rename/copy (100% similarity) emits only `similarity index` +
	 * `rename from`/`rename to` — no mode or index lines — so the sides' mode
	 * cannot be read from the patch and must be resolved from git.
	 */
	modeUnknown: boolean;
}

function parseFilePathsFromPatch(patch: string): ParsedFilePaths[] {
	if (!patch.trim()) return [];

	const segments = patch.split(/\ndiff --git /);
	const results: ParsedFilePaths[] = [];

	for (let i = 0; i < segments.length; i++) {
		const segment = segments[i];
		if (segment === undefined) continue;
		const text = i === 0 ? segment : `diff --git ${segment}`;
		if (!text.startsWith("diff --git ")) continue;