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arboretum/packages/server/src/core/git.ts
Johan LEROY 65ef616867
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chore(typo): retire tous les tirets cadratins/demi-cadratins + garde CI
Remplace les 547 tirets cadratins (U+2014) et demi-cadratins (U+2013) des fichiers versionnés par la ponctuation contextuelle adaptée (point médian, deux-points, virgule, parenthèses ; tiret simple pour les plages), sur 122 fichiers (appli, vitrine, doc, tests, workflows, scripts).

Ajoute le job CI « lint-dashes » (git grep -P) qui échoue si un tiret cadratin/demi-cadratin réapparaît, hors logo binaire et captures brutes du terminal (fidélité des fixtures de détection de dialogue).
2026-07-17 16:44:00 +02:00

655 lines
25 KiB
TypeScript

// Couche git sûre : tout passe par execFile (JAMAIS de shell), arguments en tableau, `--` avant
// les chemins/refs utilisateur. Fonctions pures sans état, prenant un cwd déjà validé par l'appelant.
import { execFile, spawn } from 'node:child_process';
import { resolve, sep } from 'node:path';
import type { WorktreeGitStatus, WorktreeBranchAction, WorktreeBranchMode, FileChange } from '@arboretum/shared';
const GIT_TIMEOUT_MS = 10_000;
// `push` peut dialoguer avec un remote (réseau) : on lui laisse une marge bien plus large.
const GIT_PUSH_TIMEOUT_MS = 120_000;
const GIT_MAX_BUFFER = 8 * 1024 * 1024;
interface GitError extends Error {
stderr?: string;
code?: number | string;
}
function git(cwd: string, args: string[], timeoutMs: number = GIT_TIMEOUT_MS): Promise<string> {
return new Promise((resolveP, reject) => {
execFile(
'git',
args,
{
cwd,
timeout: timeoutMs,
maxBuffer: GIT_MAX_BUFFER,
// GIT_OPTIONAL_LOCKS=0 : pas de prise de verrou par `status` (perf + concurrence avec une
// session claude active) ; LC_ALL=C : sortie stable pour le parsing.
env: { ...process.env, GIT_OPTIONAL_LOCKS: '0', LC_ALL: 'C' },
},
(err, stdout, stderr) => {
if (err) {
(err as GitError).stderr = String(stderr);
reject(err);
} else {
resolveP(stdout.toString());
}
},
);
});
}
/**
* Variante tolérante : résout `{ stdout, code }` au lieu de rejeter sur code de sortie non nul.
* Utile pour `git diff --no-index` (code 1 = « les fichiers diffèrent », pas une erreur).
*/
function gitRaw(cwd: string, args: string[], timeoutMs: number = GIT_TIMEOUT_MS): Promise<{ stdout: string; code: number }> {
return new Promise((resolveP) => {
execFile(
'git',
args,
{ cwd, timeout: timeoutMs, maxBuffer: GIT_MAX_BUFFER, env: { ...process.env, GIT_OPTIONAL_LOCKS: '0', LC_ALL: 'C' } },
(err, stdout) => {
const code = err ? ((err as GitError).code as number) ?? 1 : 0;
resolveP({ stdout: stdout.toString(), code: typeof code === 'number' ? code : 1 });
},
);
});
}
export interface ParsedWorktree {
path: string;
head: string | null;
branch: string | null;
detached: boolean;
locked: boolean;
prunable: boolean;
bare: boolean;
}
/** Parse la sortie `git worktree list --porcelain` (testable isolément, sans repo réel). */
export function parseWorktreePorcelain(stdout: string): ParsedWorktree[] {
const out: ParsedWorktree[] = [];
let cur: Partial<ParsedWorktree> | null = null;
const flush = (): void => {
if (cur?.path) {
out.push({
path: cur.path,
head: cur.head ?? null,
branch: cur.branch ?? null,
detached: cur.detached ?? false,
locked: cur.locked ?? false,
prunable: cur.prunable ?? false,
bare: cur.bare ?? false,
});
}
cur = null;
};
for (const line of stdout.split('\n')) {
if (line === '') {
flush();
continue;
}
const sp = line.indexOf(' ');
const key = sp === -1 ? line : line.slice(0, sp);
const val = sp === -1 ? '' : line.slice(sp + 1);
switch (key) {
case 'worktree':
flush();
cur = { path: val };
break;
case 'HEAD':
if (cur) cur.head = val;
break;
case 'branch':
if (cur) cur.branch = val.replace(/^refs\/heads\//, '');
break;
case 'detached':
if (cur) cur.detached = true;
break;
case 'bare':
if (cur) cur.bare = true;
break;
case 'locked':
if (cur) cur.locked = true;
break;
case 'prunable':
if (cur) cur.prunable = true;
break;
}
}
flush();
return out;
}
/** Refuse les noms de branche dangereux (défense en profondeur ; git valide déjà côté lui). */
export function isValidBranchName(name: string): boolean {
return (
/^[A-Za-z0-9._/-]+$/.test(name) &&
!name.startsWith('-') &&
!name.startsWith('/') &&
!name.endsWith('/') &&
!name.endsWith('.lock') &&
!name.includes('..') &&
!name.includes('//')
);
}
/** Chemin absolu sans segment `..` après résolution (évite l'échappement d'arborescence). */
export function isSafeAbsolutePath(p: string): boolean {
return p.startsWith('/') && resolve(p) === p && !p.split(sep).includes('..');
}
/**
* Pathspec relatif sûr passé à git (`git add/restore/diff -- <p>`) : non vide, non absolu, sans
* segment `..`, ne commençant pas par `-` (anti-flag). Le `--` avant le pathspec reste obligatoire.
*/
export function isSafeRelativePath(p: string): boolean {
if (p.length === 0 || p.startsWith('/') || p.startsWith('-')) return false;
const parts = p.split(/[\\/]/);
return !parts.includes('..') && !parts.includes('.git');
}
/** Initialise un dépôt git dans `dir` (déjà créé et validé par l'appelant). `git init` est idempotent. */
export async function gitInit(dir: string): Promise<void> {
await git(dir, ['init']);
}
/** true si `path` est la racine d'un dépôt git (main worktree) accessible. */
export async function isRepo(path: string): Promise<boolean> {
try {
const top = (await git(path, ['rev-parse', '--show-toplevel'])).trim();
return resolve(top) === resolve(path);
} catch {
return false;
}
}
/** Branche par défaut (origin/HEAD) en nom court, ou null si indéterminée. */
export async function defaultBranch(repoPath: string): Promise<string | null> {
try {
const ref = (await git(repoPath, ['symbolic-ref', '--quiet', 'refs/remotes/origin/HEAD'])).trim();
return ref.replace(/^refs\/remotes\/origin\//, '') || null;
} catch {
return null;
}
}
/** Branche courante (nom court) du checkout en `repoPath`, ou null si HEAD détaché. */
export async function currentBranch(repoPath: string): Promise<string | null> {
try {
const b = (await git(repoPath, ['rev-parse', '--abbrev-ref', 'HEAD'])).trim();
return b === 'HEAD' ? null : b;
} catch {
return null;
}
}
/** Existence d'une branche, en local (`refs/heads`) et/ou suivie du remote (`refs/remotes/origin`). */
export async function branchExists(repoPath: string, branch: string): Promise<{ local: boolean; remote: boolean }> {
const verify = async (ref: string): Promise<boolean> => {
try {
await git(repoPath, ['rev-parse', '--verify', '--quiet', ref]);
return true;
} catch {
return false;
}
};
const [local, remote] = await Promise.all([verify(`refs/heads/${branch}`), verify(`refs/remotes/origin/${branch}`)]);
return { local, remote };
}
/** Branches locales + suivies de `origin` (noms courts) + branche par défaut : pour un sélecteur de base. */
export async function listBranches(repoPath: string): Promise<{ local: string[]; remote: string[]; default: string | null }> {
const local: string[] = [];
const remote: string[] = [];
try {
const out = await git(repoPath, ['for-each-ref', '--format=%(refname:short)', 'refs/heads', 'refs/remotes/origin']);
for (const line of out.split('\n')) {
const name = line.trim();
if (!name) continue;
if (name.startsWith('origin/')) {
const short = name.slice('origin/'.length);
if (short && short !== 'HEAD') remote.push(short);
} else {
local.push(name);
}
}
} catch {
/* dépôt sans refs encore (premier commit absent) → listes vides */
}
return { local, remote, default: await defaultBranch(repoPath) };
}
export async function listWorktrees(repoPath: string): Promise<ParsedWorktree[]> {
return parseWorktreePorcelain(await git(repoPath, ['worktree', 'list', '--porcelain']));
}
/** État git d'un worktree : ahead/behind vs upstream + nombre de fichiers modifiés. */
export async function worktreeStatus(worktreePath: string): Promise<WorktreeGitStatus> {
let upstream: string | null = null;
let ahead = 0;
let behind = 0;
try {
upstream = (await git(worktreePath, ['rev-parse', '--abbrev-ref', '--symbolic-full-name', '@{u}'])).trim() || null;
} catch {
upstream = null;
}
if (upstream) {
try {
// left = commits de l'upstream absents de HEAD (behind) ; right = HEAD non poussés (ahead).
const out = (await git(worktreePath, ['rev-list', '--left-right', '--count', `${upstream}...HEAD`])).trim();
const [left, right] = out.split(/\s+/);
behind = Number(left) || 0;
ahead = Number(right) || 0;
} catch {
/* refs inaccessibles : on laisse 0/0 */
}
}
let dirtyCount = 0;
let stagedCount = 0;
let unstagedCount = 0;
let conflictCount = 0;
try {
// Un SEUL passage porcelain v2 -z : dirtyCount + compteurs fins (staged/unstaged/conflit).
const out = await git(worktreePath, ['status', '--porcelain=v2', '-z', '--untracked-files=all']);
const entries = parsePorcelainV2(out);
dirtyCount = entries.length;
for (const e of entries) {
if (e.conflicted) conflictCount++;
if (e.staged) stagedCount++;
if (e.unstaged) unstagedCount++;
}
} catch {
/* ignore */
}
let lastCommitHash: string | null = null;
let lastCommitSubject: string | null = null;
try {
const lc = await lastCommit(worktreePath);
if (lc) {
lastCommitHash = lc.hash;
lastCommitSubject = lc.subject;
}
} catch {
/* repo sans commit : on laisse null */
}
return { ahead, behind, dirtyCount, upstream, stagedCount, unstagedCount, conflictCount, lastCommitHash, lastCommitSubject };
}
// ---- P7 : statut détaillé / diff / staging / commit sélectif / fetch-pull (IDE worktree) ----
/** Entrée brute de `git status --porcelain=v2` (avant enrichissement numstat). */
export interface PorcelainV2Entry {
path: string;
indexStatus: string;
worktreeStatus: string;
staged: boolean;
unstaged: boolean;
untracked: boolean;
conflicted: boolean;
renamedFrom?: string;
}
/**
* Parse `git status --porcelain=v2 -z --untracked-files=all` (testable sans repo réel). Format -z :
* champs séparés par NUL ; une entrée de renommage (type `2`) consomme un champ supplémentaire
* (l'ancien chemin). Les chemins ne sont jamais entre guillemets en mode -z (pas d'échappement).
*/
export function parsePorcelainV2(stdout: string): PorcelainV2Entry[] {
const fields = stdout.split('\0');
if (fields.length && fields[fields.length - 1] === '') fields.pop();
const out: PorcelainV2Entry[] = [];
for (let i = 0; i < fields.length; i++) {
const f = fields[i];
if (!f) continue;
const kind = f[0];
if (kind === '1') {
const t = f.split(' ');
const xy = t[1] ?? '..';
out.push(entryFromXy(t.slice(8).join(' '), xy, { conflicted: false }));
} else if (kind === '2') {
const t = f.split(' ');
const xy = t[1] ?? '..';
const path = t.slice(9).join(' ');
const renamedFrom = fields[++i]; // l'ancien chemin suit dans le champ NUL suivant
out.push(entryFromXy(path, xy, { conflicted: false, ...(renamedFrom ? { renamedFrom } : {}) }));
} else if (kind === 'u') {
const t = f.split(' ');
const xy = t[1] ?? '..';
out.push(entryFromXy(t.slice(10).join(' '), xy, { conflicted: true }));
} else if (kind === '?') {
out.push({ path: f.slice(2), indexStatus: '?', worktreeStatus: '?', staged: false, unstaged: true, untracked: true, conflicted: false });
}
// '!' (ignored) : exclu de la liste des changements.
}
return out;
}
function entryFromXy(path: string, xy: string, opts: { conflicted: boolean; renamedFrom?: string }): PorcelainV2Entry {
const indexStatus = xy[0] ?? '.';
const worktreeStatus = xy[1] ?? '.';
return {
path,
indexStatus,
worktreeStatus,
staged: !opts.conflicted && indexStatus !== '.',
unstaged: opts.conflicted || worktreeStatus !== '.',
untracked: false,
conflicted: opts.conflicted,
...(opts.renamedFrom ? { renamedFrom: opts.renamedFrom } : {}),
};
}
/**
* Parse `git diff --numstat -z` → map chemin → {insertions, deletions, binary}. Les fichiers
* binaires sont marqués `'-'` par git. Les renommages ont un champ chemin vide suivi de
* deux champs NUL (ancien, nouveau) ; on indexe par le nouveau chemin.
*/
export function parseNumstatZ(stdout: string): Map<string, { insertions: number | null; deletions: number | null; binary: boolean }> {
const fields = stdout.split('\0');
if (fields.length && fields[fields.length - 1] === '') fields.pop();
const map = new Map<string, { insertions: number | null; deletions: number | null; binary: boolean }>();
for (let i = 0; i < fields.length; i++) {
const f = fields[i];
if (!f) continue;
const parts = f.split('\t');
if (parts.length < 3) continue;
const addRaw = parts[0] ?? '';
const delRaw = parts[1] ?? '';
let path = parts[2] ?? '';
if (path === '') {
// renommage : ancien chemin = champ suivant, nouveau chemin = champ d'après.
i++; // saute l'ancien chemin
path = fields[++i] ?? '';
if (path === '') continue;
}
const binary = addRaw === '-' || delRaw === '-';
map.set(path, {
insertions: binary ? null : Number(addRaw) || 0,
deletions: binary ? null : Number(delRaw) || 0,
binary,
});
}
return map;
}
const MAX_CHANGES = 5000;
/** Liste les fichiers modifiés d'un worktree (statut porcelain v2 enrichi des stats numstat). */
export async function listChanges(worktreePath: string): Promise<{ changes: FileChange[]; truncated: boolean }> {
const [statusOut, unstagedOut, stagedOut] = await Promise.all([
git(worktreePath, ['status', '--porcelain=v2', '-z', '--untracked-files=all']),
git(worktreePath, ['diff', '--numstat', '-z']),
git(worktreePath, ['diff', '--numstat', '-z', '--cached']),
]);
const entries = parsePorcelainV2(statusOut);
const unstaged = parseNumstatZ(unstagedOut);
const staged = parseNumstatZ(stagedOut);
const truncated = entries.length > MAX_CHANGES;
const slice = truncated ? entries.slice(0, MAX_CHANGES) : entries;
const changes: FileChange[] = slice.map((e) => {
const ns = unstaged.get(e.path) ?? staged.get(e.path);
const binary = ns?.binary ?? false;
// insertions/deletions = somme staged+unstaged quand disponible ; null pour binaire/untracked.
const u = unstaged.get(e.path);
const s = staged.get(e.path);
const sum = (a: number | null | undefined, b: number | null | undefined): number | null => {
if (a == null && b == null) return null;
return (a ?? 0) + (b ?? 0);
};
return {
path: e.path,
indexStatus: e.indexStatus,
worktreeStatus: e.worktreeStatus,
staged: e.staged,
unstaged: e.unstaged,
untracked: e.untracked,
conflicted: e.conflicted,
insertions: binary ? null : sum(u?.insertions, s?.insertions),
deletions: binary ? null : sum(u?.deletions, s?.deletions),
binary,
...(e.renamedFrom ? { renamedFrom: e.renamedFrom } : {}),
};
});
return { changes, truncated };
}
const MAX_DIFF_BYTES = 512 * 1024;
/** Diff unifié d'un fichier. `staged` → diff de l'index ; `untracked` → diff vs /dev/null. */
export async function fileDiff(
worktreePath: string,
file: string,
opts: { staged?: boolean; untracked?: boolean } = {},
): Promise<{ diff: string; binary: boolean; tooLarge: boolean }> {
let raw: string;
if (opts.untracked) {
// --no-index sort en code 1 quand les fichiers diffèrent : on tolère via gitRaw.
const r = await gitRaw(worktreePath, ['diff', '--no-index', '--no-color', '--', '/dev/null', file]);
raw = r.stdout;
} else {
raw = await git(worktreePath, ['diff', '--no-color', ...(opts.staged ? ['--cached'] : []), '--', file]);
}
const binary = /^Binary files .* differ$/m.test(raw) || raw.includes('GIT binary patch');
if (binary) return { diff: '', binary: true, tooLarge: false };
if (raw.length > MAX_DIFF_BYTES) return { diff: raw.slice(0, MAX_DIFF_BYTES), binary: false, tooLarge: true };
return { diff: raw, binary: false, tooLarge: false };
}
/** Indexe des fichiers (`git add -- <files>`). Chaque chemin validé par l'appelant (isSafeRelativePath). */
export async function stageFiles(worktreePath: string, files: string[]): Promise<void> {
if (files.length === 0) return;
await git(worktreePath, ['add', '--', ...files]);
}
/** Désindexe des fichiers (`git restore --staged -- <files>`). */
export async function unstageFiles(worktreePath: string, files: string[]): Promise<void> {
if (files.length === 0) return;
await git(worktreePath, ['restore', '--staged', '--', ...files]);
}
/** Annule les modifications de l'arbre de travail de fichiers SUIVIS (`git restore -- <files>`). */
export async function restoreFiles(worktreePath: string, files: string[]): Promise<void> {
if (files.length === 0) return;
await git(worktreePath, ['restore', '--', ...files]);
}
/** Supprime des fichiers NON SUIVIS (`git clean -f -- <files>`). Destructif : opt-in côté appelant. */
export async function cleanFiles(worktreePath: string, files: string[]): Promise<void> {
if (files.length === 0) return;
await git(worktreePath, ['clean', '-f', '--', ...files]);
}
/** Commit de l'index uniquement (contraste avec `commitAll` = `git add -A` + commit). */
export async function commitStaged(worktreePath: string, message: string): Promise<void> {
await git(worktreePath, ['commit', '-m', message]);
}
/** Réécrit le dernier commit. L'appelant garantit qu'il n'est pas déjà poussé. */
export async function amendCommit(worktreePath: string, message?: string): Promise<void> {
await git(worktreePath, message ? ['commit', '--amend', '-m', message] : ['commit', '--amend', '--no-edit']);
}
/** `git fetch --all --prune` (réseau → timeout élargi). */
export async function fetchRemote(worktreePath: string): Promise<void> {
await git(worktreePath, ['fetch', '--all', '--prune'], GIT_PUSH_TIMEOUT_MS);
}
/** `git pull` : `ff-only` par défaut (jamais de merge surprise) ; `rebase` optionnel. */
export async function pull(worktreePath: string, mode: 'ff-only' | 'rebase' = 'ff-only'): Promise<void> {
const args = mode === 'rebase' ? ['-c', 'rebase.autoStash=false', 'pull', '--rebase'] : ['pull', '--ff-only'];
await git(worktreePath, args, GIT_PUSH_TIMEOUT_MS);
}
/**
* Répertoire git absolu d'un worktree (`git rev-parse --absolute-git-dir`). Pour le checkout
* principal : `<path>/.git` ; pour un worktree LIÉ : `<repo>/.git/worktrees/<n>` (le `.git` du
* worktree est un fichier pointeur). Sert au watcher FS pour surveiller le bon `HEAD`/`index`.
*/
export async function resolveGitDir(worktreePath: string): Promise<string | null> {
const r = await gitRaw(worktreePath, ['rev-parse', '--absolute-git-dir']);
if (r.code !== 0) return null;
return r.stdout.trim() || null;
}
/** Dernier commit (HEAD) : hash court + sujet. null si le dépôt n'a aucun commit. */
export async function lastCommit(worktreePath: string): Promise<{ hash: string; subject: string } | null> {
const r = await gitRaw(worktreePath, ['log', '-1', '--format=%h%x00%s']);
if (r.code !== 0) return null;
const idx = r.stdout.indexOf('\0');
if (idx === -1) return null;
return { hash: r.stdout.slice(0, idx), subject: r.stdout.slice(idx + 1).replace(/\n$/, '') };
}
/** true si le HEAD courant n'est pas encore poussé (amend autorisé). Sans upstream → true. */
export async function isUnpushed(worktreePath: string): Promise<boolean> {
try {
await git(worktreePath, ['rev-parse', '--abbrev-ref', '--symbolic-full-name', '@{u}']);
} catch {
return true; // pas d'upstream → rien n'est « partagé »
}
try {
const out = (await git(worktreePath, ['rev-list', '--count', '@{u}..HEAD'])).trim();
return (Number(out) || 0) > 0;
} catch {
return true;
}
}
/** Point de départ d'une branche créée : `baseRef` explicite, sinon la branche par défaut du dépôt
* (locale ou suivie de `origin`), sinon undefined (git part alors du HEAD courant). */
async function resolveStartPoint(repoPath: string, baseRef?: string): Promise<string | undefined> {
if (baseRef) return baseRef;
const def = await defaultBranch(repoPath);
if (!def) return undefined;
const { local, remote } = await branchExists(repoPath, def);
if (local) return def;
if (remote) return `origin/${def}`;
return undefined;
}
/**
* Crée un worktree en résolvant la branche selon `mode` (voir `WorktreeBranchMode`). Renvoie l'action
* effective. En mode `auto`, on choisit checkout / suivi-remote / création selon l'existence réelle de
* la branche : indispensable pour les groupes hétérogènes (branche présente dans certains dépôts seulement).
*/
export async function addWorktree(
repoPath: string,
opts: { path: string; branch: string; mode: WorktreeBranchMode; baseRef?: string },
): Promise<WorktreeBranchAction> {
const { local, remote } = await branchExists(repoPath, opts.branch);
let action: WorktreeBranchAction;
if (opts.mode === 'create') action = 'created';
else if (opts.mode === 'checkout') action = local ? 'reused' : 'tracked';
else action = local ? 'reused' : remote ? 'tracked' : 'created'; // auto
const args = ['worktree', 'add'];
if (action === 'reused') {
args.push('--', opts.path, opts.branch);
} else if (action === 'tracked') {
args.push('--track', '-b', opts.branch, '--', opts.path, `origin/${opts.branch}`);
} else {
const start = await resolveStartPoint(repoPath, opts.baseRef);
args.push('-b', opts.branch, '--', opts.path);
if (start) args.push(start);
}
await git(repoPath, args);
return action;
}
/** `git add -A` puis commit. L'appelant garantit qu'il y a quelque chose à committer. */
export async function commitAll(repoPath: string, message: string): Promise<void> {
await git(repoPath, ['add', '-A']);
await git(repoPath, ['commit', '-m', message]);
}
/** Pousse la branche courante. Si aucun upstream n'est configuré : `git push -u origin <branche>`. */
export async function push(repoPath: string): Promise<void> {
let hasUpstream = false;
try {
await git(repoPath, ['rev-parse', '--abbrev-ref', '--symbolic-full-name', '@{u}']);
hasUpstream = true;
} catch {
hasUpstream = false;
}
if (hasUpstream) {
await git(repoPath, ['push'], GIT_PUSH_TIMEOUT_MS);
} else {
const branch = await currentBranch(repoPath);
if (!branch) throw new Error('cannot push a detached HEAD');
await git(repoPath, ['push', '-u', 'origin', branch], GIT_PUSH_TIMEOUT_MS);
}
}
/**
* Crée/bascule une branche dans le checkout (worktree) en `repoPath` : utilisé pour démarrer une
* session sur la branche principale sans worktree dédié. `create` → `git switch -c <branch>` (échoue
* si la branche existe) ; sinon `git switch <branch>` (branche existante). Pas de `--` : l'argument
* est une réf (pas un pathspec) et le nom est déjà filtré en amont par `isValidBranchName` (anti-flag).
*/
export async function switchBranch(repoPath: string, opts: { branch: string; create: boolean }): Promise<void> {
await git(repoPath, opts.create ? ['switch', '-c', opts.branch] : ['switch', opts.branch]);
}
export async function removeWorktree(repoPath: string, worktreePath: string, force: boolean): Promise<void> {
await git(repoPath, ['worktree', 'remove', ...(force ? ['--force'] : []), '--', worktreePath]);
}
export async function pruneWorktrees(repoPath: string): Promise<void> {
await git(repoPath, ['worktree', 'prune']);
}
/** true si l'erreur git d'un `worktree remove` est due à des changements non sauvegardés. */
export function isDirtyWorktreeError(err: unknown): boolean {
const msg = `${(err as GitError)?.stderr ?? ''} ${(err as Error)?.message ?? ''}`;
return /contains modified or untracked files|is dirty|use --force/i.test(msg);
}
const GIT_CLONE_TIMEOUT_MS = 10 * 60_000; // 10 min : un clone réseau peut être long.
export interface CloneProgress {
phase: string;
/** pourcentage 0-100 si git le rapporte, sinon null. */
percent: number | null;
}
/**
* Clone un dépôt via `git clone --progress` (P12). `spawn` (et non execFile) pour streamer la
* progression depuis stderr. `env` éphémère (cf. withGitAuth) porte l'auth : JAMAIS dans l'URL.
* `--` sépare l'URL/dest des options. L'appelant valide `dest` (sous scanRoots, non existant).
*/
export function cloneRepo(opts: {
url: string;
dest: string;
env?: NodeJS.ProcessEnv;
branch?: string;
onProgress?: (p: CloneProgress) => void;
signal?: AbortSignal;
}): Promise<void> {
return new Promise((resolveP, reject) => {
const args = ['clone', '--progress'];
if (opts.branch) args.push('--branch', opts.branch);
args.push('--', opts.url, opts.dest);
const child = spawn('git', args, {
env: { ...(opts.env ?? process.env), GIT_TERMINAL_PROMPT: '0', LC_ALL: 'C' },
stdio: ['ignore', 'ignore', 'pipe'],
timeout: GIT_CLONE_TIMEOUT_MS,
...(opts.signal ? { signal: opts.signal } : {}),
});
let stderr = '';
child.stderr.on('data', (d: Buffer) => {
const s = d.toString();
stderr += s;
if (stderr.length > 64 * 1024) stderr = stderr.slice(-64 * 1024); // borne mémoire
const m = /([A-Za-z][A-Za-z ]+):\s+(\d+)%/.exec(s);
if (m && m[1] && m[2] && opts.onProgress) opts.onProgress({ phase: m[1].trim(), percent: Number(m[2]) });
});
child.on('error', (err) => reject(err));
child.on('close', (code) => {
if (code === 0) resolveP();
else reject(new Error(stderr.trim().split('\n').pop() || `git clone exited with code ${code}`));
});
});
}