import fnmatch
import logging
import os
import pathlib
import subprocess
import pygit2
import requests
from lib.binary import BINARY
LFS_SUFFIX = "filter=lfs diff=lfs merge=lfs -text"
class Git:
"""Local git repository"""
def __init__(self, path, committer=None, committer_email=None):
self.path = pathlib.Path(path)
self.committer = committer
self.committer_email = committer_email
self.repo = None
def is_open(self):
return self.repo is not None
def exists(self):
"""Check if the path is a valid git repository"""
return (self.path / ".git").exists()
def create(self):
"""Create a local git repository"""
self.path.mkdir(parents=True, exist_ok=True)
self.open()
def open(self):
# Convert the path to string, to avoid some limitations in
# older pygit2
self.repo = pygit2.init_repository(str(self.path))
def is_dirty(self):
"""Check if there is something to commit"""
assert self.is_open()
return self.repo.status()
def branches(self):
return list(self.repo.branches)
def branch(self, branch, commit=None):
if not commit:
commit = self.repo.head
else:
commit = self.repo.get(commit)
self.repo.branches.local.create(branch, commit)
def checkout(self, branch):
"""Checkout into the branch HEAD"""
new_branch = False
ref = f"refs/heads/{branch}"
if branch not in self.branches():
self.repo.references["HEAD"].set_target(ref)
new_branch = True
else:
self.repo.checkout(ref)
return new_branch
def commit(
self,
user,
user_email,
user_time,
message,
parents=None,
committer=None,
committer_email=None,
committer_time=None,
):
"""Add all the files and create a new commit in the current HEAD"""
if not committer:
committer = self.committer if self.committer else self.user
committer_email = (
self.committer_email if self.committer_email else self.user_email
)
committer_time = committer_time if committer_time else user_time
if self.is_dirty():
self.repo.index.add_all()
self.repo.index.write()
author = pygit2.Signature(user, user_email, int(user_time.timestamp()))
committer = pygit2.Signature(
committer, committer_email, int(committer_time.timestamp())
)
tree = self.repo.index.write_tree()
return self.repo.create_commit(
"HEAD", author, committer, message, tree, parents
)
def last_commit(self):
try:
return self.repo.head.target
except:
return None
def branch_head(self, branch):
return self.repo.references["refs/heads/" + branch].target
def set_branch_head(self, branch, commit):
self.repo.references["refs/heads/" + branch].set_target(commit)
def gc(self):
logging.debug(f"Garbage recollect and repackage {self.path}")
subprocess.run(
["git", "gc", "--auto"],
cwd=self.path,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
)
def clean(self):
for path, _ in self.repo.status().items():
logging.debug(f"Cleaning {path}")
try:
(self.path / path).unlink()
self.repo.index.remove(path)
except Exception as e:
logging.warning(f"Error removing file {path}: {e}")
def add(self, filename):
self.repo.index.add(filename)
def add_default_lfs_gitattributes(self, force=False):
if not (self.path / ".gitattributes").exists() or force:
with (self.path / ".gitattributes").open("w") as f:
content = ["## Default LFS"]
content += [f"*{b} {LFS_SUFFIX}" for b in sorted(BINARY)]
f.write("\n".join(content))
f.write("\n")
self.add(".gitattributes")
def add_specific_lfs_gitattributes(self, binaries):
self.add_default_lfs_gitattributes(force=True)
if binaries:
with (self.path / ".gitattributes").open("a") as f:
content = ["## Specific LFS patterns"]
content += [f"{b} {LFS_SUFFIX}" for b in sorted(binaries)]
f.write("\n".join(content))
f.write("\n")
self.add(".gitattributes")
def get_specific_lfs_gitattributes(self):
with (self.path / ".gitattributes").open() as f:
patterns = [
line.split()[0]
for line in f
if line.strip() and not line.startswith("#")
]
binary = {f"*{b}" for b in BINARY}
return [p for p in patterns if p not in binary]
def add_lfs(self, filename, sha256, size):
with (self.path / filename).open("w") as f:
f.write("version https://git-lfs.github.com/spec/v1\n")
f.write(f"oid sha256:{sha256}\n")
f.write(f"size {size}\n")
self.add(filename)
if not self.is_lfs_tracked(filename):
logging.debug(f"Add specific LFS file {filename}")
specific_patterns = self.get_specific_lfs_gitattributes()
specific_patterns.append(filename)
self.add_specific_lfs_gitattributes(specific_patterns)
def is_lfs_tracked(self, filename):
with (self.path / ".gitattributes").open() as f:
patterns = (
line.split()[0]
for line in f
if line.strip() and not line.startswith("#")
)
return any(fnmatch.fnmatch(filename, line) for line in patterns)
def remove(self, file: pathlib.Path):
self.repo.index.remove(file.name)
(self.path / file).unlink()
patterns = self.get_specific_lfs_gitattributes()
if file.name in patterns:
patterns.remove(file.name)
self.add_specific_lfs_gitattributes(patterns)
def add_gitea_remote(self, package):
repo_name = package.replace("+", "_")
org_name = "rpm"
if not os.getenv("GITEA_TOKEN"):
logging.warning("Not adding a remote due to missing $GITEA_TOKEN")
return
url = f"https://gitea.opensuse.org/api/v1/org/{org_name}/repos"
response = requests.post(
url,
data={"name": repo_name},
headers={"Authorization": f"token {os.getenv('GITEA_TOKEN')}"},
timeout=10,
)
# 409 Conflict (Already existing)
# 201 Created
if response.status_code not in (201, 409):
print(response.data)
url = f"gitea@gitea.opensuse.org:{org_name}/{repo_name}.git"
self.repo.remotes.create("origin", url)
def push(self):
remo = self.repo.remotes["origin"]
keypair = pygit2.KeypairFromAgent("gitea")
callbacks = pygit2.RemoteCallbacks(credentials=keypair)
refspecs = ["refs/heads/factory"]
if "refs/heads/devel" in self.repo.references:
refspecs.append("refs/heads/devel")
remo.push(refspecs, callbacks=callbacks)