@struktoai/mirage-core/dist/commands/cli/builtin/git/stash.js

A Unified Virtual Filesystem For AI Agents

import git from 'isomorphic-git';
import { IOResult } from "../../../../io/types.js";
import { FlagView } from "../../../spec/flag_view.js";
import { diff } from "./diff.js";
import { GitError } from "./errors.js";
import { readOptional } from "./io.js";
import { repoArgs } from "./repo.js";
import { opened } from "./session.js";
import { resolveCommit } from "./revparse.js";
/** Read the same newest-first stash reflog that real Git writes. */
export async function stashList(_accessor, paths, texts, ctx) {
    const repo = await opened(ctx, new FlagView(ctx.flags));
    const data = await readOptional(repo.vfs, repo.location.commondir.join('logs/refs/stash'));
    const rows = new TextDecoder()
        .decode(data ?? new Uint8Array())
        .split('\n')
        .filter(Boolean)
        .reverse();
    const text = rows
        .map((row, index) => `stash@{${String(index)}}: ${row.slice(row.indexOf('\t') + 1)}\n`)
        .join('');
    return [new TextEncoder().encode(text), new IOResult()];
}
/** Compare the saved working tree with the stash's first parent, never current HEAD. */
export async function stashShow(accessor, paths, texts, ctx) {
    const repo = await opened(ctx, new FlagView(ctx.flags));
    let selector = texts[0] ?? 'stash@{0}';
    const match = /^(?:stash@\{(\d+)\}|(\d+))$/.exec(selector);
    if (match !== null) {
        const data = await readOptional(repo.vfs, repo.location.commondir.join('logs/refs/stash'));
        const rows = new TextDecoder()
            .decode(data ?? new Uint8Array())
            .split('\n')
            .filter(Boolean)
            .reverse();
        const index = Number(match[1] ?? match[2]);
        if (rows.length === 0)
            return [
                null,
                new IOResult({
                    exitCode: 1,
                    stderr: new TextEncoder().encode('No stash entries found.\n'),
                }),
            ];
        if (index >= rows.length)
            throw new GitError(`log for 'stash' only has ${String(rows.length)} entries`);
        const selected = rows[index]?.split(' ')[1];
        if (selected === undefined)
            throw new GitError('invalid stash reflog');
        selector = selected;
    }
    const oid = await resolveCommit(repo, selector);
    const { commit } = await git.readCommit({ ...repoArgs(repo), oid });
    const parent = commit.parent[0];
    if (parent === undefined || commit.parent.length < 2)
        throw new GitError(`'${selector}' is not a stash-like commit`);
    const flags = { ...ctx.flags };
    const view = new FlagView(flags);
    if (!['patch', 'name_only', 'name_status', 'stat', 'numstat', 'shortstat', 'summary', 'raw'].some((name) => view.asBool(name)))
        flags.stat = true;
    return await diff(accessor, paths, [parent, oid], { ...ctx, flags });
}
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