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Loki/backend/app/routes/git.py
T

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3.6 KiB
Python

"""Routes Git du workspace : historique, diff, retour arrière.
Le workspace est un dépôt git (Aider commite chaque modification). Ces routes
donnent à l'UI un panneau Git : voir les commits, leur diff, et annuler une
modification. Toutes les commandes sont exécutées DANS le workspace.
"""
from __future__ import annotations
import os
import subprocess
from fastapi import APIRouter, HTTPException
from pydantic import BaseModel
from .. import tools
from ..coder import ensure_git
from ..config import settings
router = APIRouter(prefix="/api/git", tags=["git"])
def _git(
*args: str, timeout: int = 15, project: str | None = None
) -> subprocess.CompletedProcess:
"""Exécute une commande git dans le workspace ou le projet demandé."""
root = os.path.abspath(settings.workspace_dir)
if project:
if not tools.PROJECT_NAME.match(project):
raise HTTPException(400, "nom de projet invalide")
root = os.path.join(root, project)
ensure_git(root)
return subprocess.run(
["git", *args],
cwd=root,
capture_output=True,
text=True,
timeout=timeout,
)
@router.get("/log")
async def git_log(limit: int = 40, project: str | None = None) -> dict:
"""Historique des commits (hash court, message, auteur, date, nb fichiers)."""
fmt = "%h%x1f%s%x1f%an%x1f%ar%x1f%H"
proc = _git(
"log", f"-{max(1, min(limit, 200))}", f"--pretty=format:{fmt}",
project=project,
)
if proc.returncode != 0:
# Dépôt sans commit encore.
return {"commits": []}
commits = []
for line in proc.stdout.splitlines():
parts = line.split("\x1f")
if len(parts) != 5:
continue
short, subject, author, when, full = parts
# Nombre de fichiers touchés par ce commit.
stat = _git("show", "--stat", "--oneline", "--format=", full,
project=project)
files = [l for l in stat.stdout.splitlines() if "|" in l]
commits.append({
"hash": short,
"full_hash": full,
"subject": subject,
"author": author,
"when": when,
"files_changed": len(files),
})
return {"commits": commits}
@router.get("/diff")
async def git_diff(hash: str | None = None, project: str | None = None) -> dict:
"""Diff d'un commit (hash) ou des modifications non commitées si absent."""
if hash:
if not hash.replace("-", "").isalnum():
raise HTTPException(400, "hash invalide")
proc = _git("show", "--no-color", hash, project=project)
else:
proc = _git("diff", "--no-color", "HEAD", project=project)
if proc.returncode != 0:
raise HTTPException(404, "diff introuvable")
# Borne la taille pour ne pas noyer l'UI.
return {"diff": proc.stdout[:200_000]}
class RevertRequest(BaseModel):
hash: str
project: str | None = None
@router.post("/revert")
async def git_revert(req: RevertRequest) -> dict:
"""Annule un commit en créant un commit inverse (git revert)."""
h = req.hash.strip()
if not h.replace("-", "").isalnum():
raise HTTPException(400, "hash invalide")
proc = _git("revert", "--no-edit", h, timeout=30, project=req.project)
if proc.returncode != 0:
# Conflit ou commit introuvable : on nettoie un éventuel revert en cours.
_git("revert", "--abort", project=req.project)
detail = (proc.stderr or proc.stdout).strip()[:300]
raise HTTPException(409, f"revert impossible : {detail}")
return {"ok": True, "message": f"commit {h[:7]} annulé"}