Function rollbackChanges

scripts/sparc2/src/git/gitIntegration.ts:124–200

(
  commit: string,
  message: string = `Rollback to ${commit}`,
  options: RollbackOptions = {},
)

 * @returns The new commit hash
 */
export async function rollbackChanges(
  commit: string,
  message: string = `Rollback to ${commit}`,
  options: RollbackOptions = {},
): Promise<string> {
  // Check if the commit exists
  const revParseCmd = new Deno.Command("git", {
    args: ["rev-parse", "--verify", commit],
    stdout: "piped",
    stderr: "piped",
  });

  const revParseOutput = await revParseCmd.output();
  if (!revParseOutput.success) {
    const errorOutput = new TextDecoder().decode(revParseOutput.stderr);
    await logMessage("error", `Commit ${commit} not found: ${errorOutput}`, { commit });
    throw new Error(`Commit ${commit} not found: ${errorOutput}`);
  }

  // Create a new branch if requested
  if (options.newBranch) {
    const branchCmd = new Deno.Command("git", {
      args: ["checkout", "-b", options.newBranch],
      stdout: "piped",
      stderr: "piped",
    });

    const branchOutput = await branchCmd.output();
    if (!branchOutput.success) {
      const errorOutput = new TextDecoder().decode(branchOutput.stderr);
      await logMessage("error", `Creating new branch failed: ${errorOutput}`, {
        branch: options.newBranch,
      });
      throw new Error(`Creating new branch failed: ${errorOutput}`);
    }
  }

  // Reset to the specified commit
  const resetCmd = new Deno.Command("git", {
    args: ["reset", "--hard", commit],
    stdout: "piped",
    stderr: "piped",
  });

  const resetOutput = await resetCmd.output();
  if (!resetOutput.success) {
    const errorOutput = new TextDecoder().decode(resetOutput.stderr);
    await logMessage("error", `Git reset failed: ${errorOutput}`, { commit });
    throw new Error(`Git reset failed: ${errorOutput}`);
  }

  const resetText = new TextDecoder().decode(resetOutput.stdout);
  await logMessage("info", `Reset to commit ${commit}`, { output: resetText.trim() });

  // Push the changes if requested
  if (options.push) {
    const remote = options.remote || "origin";
    const branch = options.newBranch || await getCurrentBranch();