Function readFileContent

packages/cli/src/routes/diff.ts:171–180

(repoRoot: string, filePath: string)

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

		const isBinary = BINARY_RE.test(text);
		const hunkStart = text.search(/^@@ /m);
		const header = hunkStart === -1 ? text : text.slice(0, hunkStart);
		// `index ... <mode>` covers unchanged-mode diffs (both sides identical);
		// old/new (or deleted/new file) mode lines cover transitions.
		const sharedMode = header.match(INDEX_MODE_RE)?.[1];
		const oldMode = header.match(OLD_MODE_RE)?.[1] ?? sharedMode;
		const newMode = header.match(NEW_MODE_RE)?.[1] ?? sharedMode;
		const oldIsSymlink = oldMode === SYMLINK_MODE;
		const newIsSymlink = newMode === SYMLINK_MODE;