Function runPrep

packages/cli/src/prep.ts:17–36

(options: DiffScopeOptions)

}

export async function runPrep(options: DiffScopeOptions): Promise<string> {
	const { scope, rawDiff, mergeBaseSha } = await resolveDiffScope(options);

	const allFiles = parseGitDiff(rawDiff);
	const stageIgnore = loadStageIgnore(readRepoRoot());
	const { files } = filterFilesForLlm(allFiles, stageIgnore);

	const formattedHunks = files
		.flatMap((file) => file.hunks.map((hunk) => formatHunkForPrompt(file, hunk)))
		.join("\n\n");

	const commitMessages = getCommitMessages(mergeBaseSha, scope.headSha);

	const sections = ["=== COMMIT MESSAGES ===", commitMessages, "", "=== HUNKS ===", formattedHunks];

	const filePath = path.join(tmpdir(), `stage-prep-${Date.now()}.txt`);
	writeFileSync(filePath, sections.join("\n"), "utf8");

	return filePath;
}