forked from importers/git-importer
283 lines
9.2 KiB
Python
283 lines
9.2 KiB
Python
import fnmatch
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import logging
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import os
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import pathlib
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import subprocess
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import requests
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from lib.binary import BINARY
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LFS_SUFFIX = "filter=lfs diff=lfs merge=lfs -text"
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class Git:
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"""Local git repository"""
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def __init__(self, path, committer=None, committer_email=None):
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self.path = pathlib.Path(path)
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self.committer = committer
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self.committer_email = committer_email
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def exists(self):
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"""Check if the path is a valid git repository"""
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return (self.path / ".git").exists()
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def create(self):
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"""Create a local git repository"""
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self.path.mkdir(parents=True, exist_ok=True)
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self.open()
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def git_run(self, args, **kwargs):
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"""Run a git command"""
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if "env" in kwargs:
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envs = kwargs["env"].copy()
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del kwargs["env"]
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else:
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envs = os.environ.copy()
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envs["GIT_LFS_SKIP_SMUDGE"] = "1"
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envs["GIT_CONFIG_GLOBAL"] = "/dev/null"
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return subprocess.run(
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["git"] + args,
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cwd=self.path,
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check=True,
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env=envs,
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**kwargs,
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)
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def open(self):
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if not self.exists():
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self.git_run(["init", "--object-format=sha256", "-b", "factory"])
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self.git_run(["config", "lfs.allowincompletepush", "true"])
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def is_dirty(self):
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"""Check if there is something to commit"""
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status_str = self.git_run(
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["status", "--porcelain=2"],
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stdout=subprocess.PIPE,
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).stdout.decode("utf-8")
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return len(list(filter(None, status_str.split("\n")))) > 0
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def branches(self):
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br = (
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self.git_run(
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["for-each-ref", "--format=%(refname:short)", "refs/heads/"],
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stdout=subprocess.PIPE,
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)
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.stdout.decode("utf-8")
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.split()
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)
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if len(br) == 0:
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br.append("factory") # unborn branch?
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return br
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def branch(self, branch, commit="HEAD"):
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commit = (
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self.git_run(
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["rev-parse", "--verify", "--end-of-options", commit + "^{commit}"],
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stdout=subprocess.PIPE,
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)
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.stdout.decode("utf-8")
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.strip()
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)
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return self.git_run(["branch", branch, commit])
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def checkout(self, branch):
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"""Checkout into the branch HEAD"""
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new_branch = False
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if branch not in self.branches():
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self.git_run(["branch", "-q", branch, "HEAD"])
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new_branch = True
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else:
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ref = f"refs/heads/{branch}"
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if (self.path / ".git" / ref).exists():
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self.git_run(["switch", "--no-guess", "-q", branch])
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return new_branch
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def commit(
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self,
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user,
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user_email,
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user_time,
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message,
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parents=None,
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committer=None,
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committer_email=None,
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committer_time=None,
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):
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"""Add all the files and create a new commit in the current HEAD"""
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if not committer:
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committer = self.committer if self.committer else self.user
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committer_email = (
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self.committer_email if self.committer_email else self.user_email
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)
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committer_time = committer_time if committer_time else user_time
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if self.is_dirty():
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self.git_run(["add", "--all", "."])
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tree_id = (
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self.git_run(["write-tree"], stdout=subprocess.PIPE)
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.stdout.decode("utf-8")
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.strip()
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)
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parent_array = []
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if isinstance(parents, list):
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for parent in filter(None, parents):
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parent_array = parent_array + ["-p", parent]
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elif isinstance(parents, str):
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parent_array = ["-p", parents]
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commit_id = (
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self.git_run(
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["commit-tree"] + parent_array + [tree_id],
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env={
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"GIT_AUTHOR_NAME": user,
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"GIT_AUTHOR_EMAIL": user_email,
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"GIT_AUTHOR_DATE": f"{int(user_time.timestamp())} +0000",
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"GIT_COMMITTER_NAME": committer,
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"GIT_COMMITTER_EMAIL": committer_email,
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"GIT_COMMITTER_DATE": f"{int(committer_time.timestamp())} +0000",
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},
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input=message.encode("utf-8"),
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stdout=subprocess.PIPE,
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)
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.stdout.decode("utf-8")
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.rstrip()
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)
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self.git_run(["reset", "--soft", commit_id])
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return commit_id
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def branch_head(self, branch="HEAD"):
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return (
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self.git_run(
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["rev-parse", "--verify", "--end-of-options", branch],
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stdout=subprocess.PIPE,
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)
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.stdout.decode("utf-8")
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.strip()
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)
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def set_branch_head(self, branch, commit):
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return self.git_run(["update-ref", f"refs/heads/{branch}", commit])
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def gc(self):
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logging.debug(f"Garbage recollect and repackage {self.path}")
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self.git_run(
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["gc", "--auto"],
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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)
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# def clean(self):
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# for path, _ in self.repo.status().items():
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# logging.debug(f"Cleaning {path}")
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# try:
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# (self.path / path).unlink()
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# self.repo.index.remove(path)
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# except Exception as e:
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# logging.warning(f"Error removing file {path}: {e}")
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def add(self, filename):
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self.git_run(["add", filename])
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def add_default_lfs_gitattributes(self, force=False):
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if not (self.path / ".gitattributes").exists() or force:
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with (self.path / ".gitattributes").open("w") as f:
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content = ["## Default LFS"]
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content += [f"*{b} {LFS_SUFFIX}" for b in sorted(BINARY)]
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f.write("\n".join(content))
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f.write("\n")
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self.add(".gitattributes")
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def add_specific_lfs_gitattributes(self, binaries):
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self.add_default_lfs_gitattributes(force=True)
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if binaries:
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with (self.path / ".gitattributes").open("a") as f:
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content = ["## Specific LFS patterns"]
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content += [f"{b} {LFS_SUFFIX}" for b in sorted(binaries)]
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f.write("\n".join(content))
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f.write("\n")
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self.add(".gitattributes")
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def get_specific_lfs_gitattributes(self):
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with (self.path / ".gitattributes").open() as f:
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patterns = [
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line.split()[0]
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for line in f
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if line.strip() and not line.startswith("#")
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]
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binary = {f"*{b}" for b in BINARY}
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return [p for p in patterns if p not in binary]
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def add_lfs(self, filename, sha256, size):
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with (self.path / filename).open("w") as f:
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f.write("version https://git-lfs.github.com/spec/v1\n")
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f.write(f"oid sha256:{sha256}\n")
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f.write(f"size {size}\n")
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self.add(filename)
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if not self.is_lfs_tracked(filename):
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logging.debug(f"Add specific LFS file {filename}")
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specific_patterns = self.get_specific_lfs_gitattributes()
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specific_patterns.append(filename)
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self.add_specific_lfs_gitattributes(specific_patterns)
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def is_lfs_tracked(self, filename):
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with (self.path / ".gitattributes").open() as f:
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patterns = (
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line.split()[0]
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for line in f
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if line.strip() and not line.startswith("#")
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)
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return any(fnmatch.fnmatch(filename, line) for line in patterns)
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def remove(self, file: pathlib.Path):
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self.git_run(
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["rm", "-q", "-f", "--ignore-unmatch", file.name],
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)
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patterns = self.get_specific_lfs_gitattributes()
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if file.name in patterns:
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patterns.remove(file.name)
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self.add_specific_lfs_gitattributes(patterns)
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def add_gitea_remote(self, package):
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repo_name = package.replace("+", "_")
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org_name = "rpm"
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if not os.getenv("GITEA_TOKEN"):
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logging.warning("Not adding a remote due to missing $GITEA_TOKEN")
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return
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url = f"https://src.opensuse.org/api/v1/org/{org_name}/repos"
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response = requests.post(
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url,
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data={"name": repo_name, "object_format_name": "sha256"},
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headers={"Authorization": f"token {os.getenv('GITEA_TOKEN')}"},
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timeout=10,
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)
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# 409 Conflict (Already existing)
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# 201 Created
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if response.status_code not in (201, 409):
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print(response.data)
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url = f"gitea@src.opensuse.org:{org_name}/{repo_name}.git"
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self.git_run(
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["remote", "add", "origin", url],
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)
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def push(self, force=False):
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if "origin" not in self.git_run(
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["remote"],
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stdout=subprocess.PIPE,
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).stdout.decode("utf-8"):
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logging.warning("Not pushing to remote because no 'origin' configured")
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return
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cmd = ["push"]
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if force:
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cmd.append("-f")
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cmd += ["origin", "--all"]
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self.git_run(cmd)
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