mirror of
https://github.com/minetest/contentdb.git
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120 lines
3.2 KiB
Python
120 lines
3.2 KiB
Python
# ContentDB
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# Copyright (C) 2018-21 rubenwardy
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import contextlib, git, gitdb, os, shutil, tempfile
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from urllib.parse import urlsplit
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from git import GitCommandError
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from app.tasks import TaskError
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from app.utils import randomString
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def generate_git_url(urlstr):
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scheme, netloc, path, query, frag = urlsplit(urlstr)
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if not scheme.startswith("http"):
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scheme = "http"
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return scheme + "://:@" + netloc + path + query
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@contextlib.contextmanager
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def get_temp_dir():
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temp = os.path.join(tempfile.gettempdir(), randomString(10))
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yield temp
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shutil.rmtree(temp)
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# Clones a repo from an unvalidated URL.
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# Returns a tuple of path and repo on sucess.
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# Throws `TaskError` on failure.
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# Caller is responsible for deleting returned directory.
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@contextlib.contextmanager
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def clone_repo(urlstr, ref=None, recursive=False):
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gitDir = os.path.join(tempfile.gettempdir(), randomString(10))
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err = None
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try:
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gitUrl = generate_git_url(urlstr)
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print("Cloning from " + gitUrl)
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if ref is None:
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repo = git.Repo.clone_from(gitUrl, gitDir,
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progress=None, env=None, depth=1, recursive=recursive, kill_after_timeout=15)
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else:
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assert ref != ""
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repo = git.Repo.init(gitDir)
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origin = repo.create_remote("origin", url=gitUrl)
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assert origin.exists()
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origin.fetch()
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repo.git.checkout(ref)
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repo.git.submodule('update', '--init')
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yield repo
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shutil.rmtree(gitDir)
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return
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except GitCommandError as e:
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# This is needed to stop the backtrace being weird
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err = e.stderr
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except gitdb.exc.BadName as e:
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err = "Unable to find the reference " + (ref or "?") + "\n" + e.stderr
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raise TaskError(err.replace("stderr: ", "") \
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.replace("Cloning into '" + gitDir + "'...", "") \
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.strip())
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def get_latest_commit(git_url, ref_name=None):
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git_url = generate_git_url(git_url)
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if ref_name:
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ref_name = "refs/heads/" + ref_name
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else:
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ref_name = "HEAD"
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g = git.cmd.Git()
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remote_refs = {}
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for ref in g.ls_remote(git_url).split('\n'):
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hash_ref_list = ref.split('\t')
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remote_refs[hash_ref_list[1]] = hash_ref_list[0]
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return remote_refs.get(ref_name)
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def get_latest_tag(git_url):
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with get_temp_dir() as git_dir:
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repo = git.Repo.init(git_dir)
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origin = repo.create_remote("origin", url=git_url)
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origin.fetch()
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refs = repo.git.for_each_ref(sort="creatordate", format="%(objectname)\t%(refname)").split("\n")
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refs = [ref for ref in refs if "refs/tags/" in ref]
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if len(refs) == 0:
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return None, None
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last_ref = refs[-1]
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hash_ref_list = last_ref.split('\t')
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tag = hash_ref_list[1].replace("refs/tags/", "")
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commit_hash = repo.git.rev_parse(tag + "^{}")
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return tag, commit_hash
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