2022-10-17 15:17:25 +02:00
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import functools
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import logging
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2022-10-24 12:01:28 +02:00
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import xml.etree.ElementTree as ET
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2022-10-17 15:17:25 +02:00
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2022-10-24 20:21:53 +02:00
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import psycopg2
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2022-10-17 19:54:47 +02:00
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from lib.binary import is_binary_or_large
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2022-10-17 20:39:03 +02:00
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from lib.db import DB
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2022-10-18 13:13:52 +02:00
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from lib.db_revision import DBRevision
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2022-10-17 19:54:47 +02:00
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from lib.git import Git
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from lib.history import History
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from lib.obs import OBS
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2022-10-18 12:17:43 +02:00
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from lib.obs_revision import OBSRevision
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2022-10-17 19:54:47 +02:00
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from lib.proxy_sha256 import ProxySHA256, md5, sha256
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2022-10-22 12:03:21 +02:00
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from lib.tree_builder import TreeBuilder
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2022-10-26 14:42:39 +02:00
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from lib.user import User
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2022-10-17 15:17:25 +02:00
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def _files_hash(hash_alg, dirpath):
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"""List of (filepath, md5) for a directory"""
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# TODO: do it async or multythread
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files = [f for f in dirpath.iterdir() if f.is_file()]
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return [(f.parts[-1], hash_alg(f)) for f in files]
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files_md5 = functools.partial(_files_hash, md5)
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files_sha256 = functools.partial(_files_hash, sha256)
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class Importer:
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def __init__(self, projects, package, repodir, search_ancestor, rebase_devel):
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# The idea is to create each commit in order, and draw the
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# same graph described by the revisions timeline. For that we
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# need first to fetch all the revisions and sort them
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# linearly, based on the timestamp.
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#
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# After that we recreate the commits, and if one revision is a
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# request that contains a target inside the projects in the
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# "history", we create a merge commit.
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#
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# Optionally, if a flag is set, we will try to find a common
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# "Initial commit" from a reference branch (the first one in
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# "projects", that is safe to assume to be "openSUSE:Factory".
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# This is not always a good idea. For example, in a normal
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# situation the "devel" project history is older than
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# "factory", and we can root the tree on it. But for some
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# other projects we lost partially the "devel" history project
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# (could be moved), and "factory" is not the root.
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self.package = package
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self.search_ancestor = search_ancestor
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self.rebase_devel = rebase_devel
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self.obs = OBS()
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self.git = Git(
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repodir,
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committer="Git OBS Bridge",
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committer_email="obsbridge@suse.de",
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).create()
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self.proxy_sha256 = ProxySHA256(self.obs, enabled=True)
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self.history = History(self.obs, self.package)
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# Add the "devel" project
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(project, branch, api_url) = projects[0]
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assert project == "openSUSE:Factory"
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self.obs.change_url(api_url)
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devel_project = self.obs.devel_project(project, package)
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if devel_project:
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self.projects = [(devel_project, "devel", api_url)] + projects
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else:
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self.projects = projects
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# Associate the branch and api_url information per project
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self.projects_info = {
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project: (branch, api_url) for (project, branch, api_url) in self.projects
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}
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def download(self, revision):
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obs_files = self.obs.files(revision.project, revision.package, revision.srcmd5)
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git_files = {
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(f.name, f.stat().st_size, md5(f))
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for f in self.git.path.iterdir()
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if f.is_file() and f.name not in (".gitattributes")
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}
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# Overwrite ".gitattributes" with the
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self.git.add_default_lfs_gitattributes(force=True)
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# Download each file in OBS if it is not a binary (or large)
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# file
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for (name, size, file_md5) in obs_files:
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# this file creates easily 100k commits and is just useless data :(
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# unfortunately it's stored in the same meta package as the project config
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if revision.package == "_project" and name == "_staging_workflow":
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continue
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# have such files been detected as text mimetype before?
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is_text = self.proxy_sha256.is_text(name)
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if not is_text and is_binary_or_large(name, size):
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file_sha256 = self.proxy_sha256.get_or_put(
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revision.project,
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revision.package,
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name,
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revision.srcmd5,
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file_md5,
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size,
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)
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self.git.add_lfs(name, file_sha256["sha256"], size)
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else:
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if (name, size, file_md5) not in git_files:
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print(f"Download {name}")
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self.obs.download(
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revision.project,
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revision.package,
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name,
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revision.srcmd5,
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self.git.path,
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)
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# Validate the MD5 of the downloaded file
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if md5(self.git.path / name) != file_md5:
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raise Exception(f"Download error in {name}")
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self.git.add(name)
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# Remove extra files
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obs_names = {n for (n, _, _) in obs_files}
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git_names = {n for (n, _, _) in git_files}
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for name in git_names - obs_names:
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print(f"Remove {name}")
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self.git.remove(name)
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2022-10-18 12:17:43 +02:00
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def update_db_package(self, db, project, package):
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root = self.obs._history(project, package)
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if root is None:
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return
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2022-10-18 14:29:54 +02:00
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latest = DBRevision.latest_revision(db, project, package)
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2022-10-18 12:17:43 +02:00
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for r in root.findall("revision"):
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2022-10-18 14:29:54 +02:00
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rev = OBSRevision(self.obs, self, project, package).parse(r)
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2022-10-18 12:17:43 +02:00
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if not latest or rev.rev > latest.rev:
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2022-10-18 13:13:52 +02:00
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dbrev = DBRevision.import_obs_rev(db, rev)
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2022-10-18 21:36:58 +02:00
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try:
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root = rev.read_link()
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except ET.ParseError:
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dbrev.set_broken(db)
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continue
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2022-10-18 15:40:11 +02:00
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if root is not None:
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2022-10-18 13:13:52 +02:00
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tprj = root.get("project") or project
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2022-10-18 14:29:54 +02:00
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tpkg = root.get("package") or package
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2022-10-18 13:13:52 +02:00
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dbrev.links_to(db, tprj, tpkg)
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2022-10-18 12:17:43 +02:00
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db.conn.commit()
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2022-10-24 12:01:28 +02:00
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def find_linked_revs(self, db):
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2022-10-26 15:49:14 +02:00
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with db.cursor() as cur:
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2022-10-24 12:01:28 +02:00
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cur.execute(
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2022-10-26 15:49:14 +02:00
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"""SELECT * from revisions WHERE id in (SELECT l.revision_id FROM links l
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LEFT JOIN linked_revs lrevs ON lrevs.revision_id=l.revision_id
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WHERE lrevs.id IS NULL) and broken is FALSE;"""
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2022-10-24 12:01:28 +02:00
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)
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2022-10-26 15:49:14 +02:00
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for row in cur.fetchall():
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rev = DBRevision(row)
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linked_rev = rev.linked_rev(db)
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if not linked_rev:
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logging.debug(f"No link {rev}")
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continue
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cur.execute(
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"""INSERT INTO linked_revs (revision_id, linked_id)
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VALUES (%s,%s)""",
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(rev.dbid, linked_rev.dbid),
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)
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2022-10-24 12:01:28 +02:00
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def fetch_all_linked_packages(self, db, project, package):
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2022-10-26 15:49:14 +02:00
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with db.cursor() as cur:
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cur.execute(
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"""SELECT DISTINCT l.project, l.package from links l JOIN revisions r
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on r.id=l.revision_id WHERE r.project=%s AND r.package=%s""",
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(project, package),
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)
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for row in cur.fetchall():
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(lproject, lpackage) = row
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self.update_db_package(db, lproject, lpackage)
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2022-10-24 12:01:28 +02:00
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2022-10-24 20:21:53 +02:00
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def find_fake_revisions(self, db):
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2022-10-26 15:49:14 +02:00
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with db.cursor() as cur:
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cur.execute(
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2022-10-27 07:33:46 +02:00
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"SELECT * from revisions WHERE id in (SELECT linked_id from linked_revs WHERE considered=FALSE)"
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2022-10-26 15:49:14 +02:00
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)
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for row in cur.fetchall():
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2022-10-26 22:18:16 +02:00
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self._find_fake_revision(db, DBRevision(row))
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2022-10-26 15:49:14 +02:00
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def _find_fake_revision(self, db, rev):
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prev = rev.previous_commit(db)
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if not prev:
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with db.cursor() as cur:
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2022-10-24 20:21:53 +02:00
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cur.execute(
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"UPDATE linked_revs SET considered=TRUE where revision_id=%s",
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(rev.dbid,),
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)
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2022-10-26 15:49:14 +02:00
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return
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with db.cursor() as cur:
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cur.execute(
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2022-10-26 22:18:16 +02:00
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"""SELECT * FROM revisions WHERE id IN
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2022-10-24 20:21:53 +02:00
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(SELECT revision_id from linked_revs WHERE linked_id=%s)
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AND commit_time <= %s ORDER BY commit_time""",
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(prev.dbid, rev.commit_time),
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)
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last_linked = None
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2022-10-26 15:49:14 +02:00
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for linked in cur.fetchall():
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2022-10-24 20:21:53 +02:00
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linked = DBRevision(linked)
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nextrev = linked.next_commit(db)
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if nextrev and nextrev.commit_time < rev.commit_time:
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continue
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last_linked = linked
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cur.execute(
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"UPDATE linked_revs SET considered=TRUE where revision_id=%s",
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(rev.dbid,),
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)
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2022-10-26 15:49:14 +02:00
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if not last_linked:
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return
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with db.cursor() as cur:
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linked = last_linked
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cur.execute(
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"SELECT 1 FROM fake_revs where revision_id=%s AND linked_id=%s",
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(rev.dbid, linked.dbid),
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)
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if cur.fetchone():
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cur.execute(
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"UPDATE linked_revs SET considered=TRUE where revision_id=%s",
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(rev.dbid,),
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2022-10-24 20:21:53 +02:00
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)
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2022-10-26 15:49:14 +02:00
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return
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fake_rev = linked.rev + rev.rev / 1000.0
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comment = f"Updating link to change in {rev.project}/{rev.package} revision {rev.rev}"
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cur.execute(
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"""INSERT INTO revisions (project,package,rev,unexpanded_srcmd5,
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commit_time, userid, comment) VALUES(%s,%s,%s,%s,%s,%s,%s) RETURNING id""",
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(
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linked.project,
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linked.package,
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fake_rev,
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linked.unexpanded_srcmd5,
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rev.commit_time,
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"buildservice-autocommit",
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comment,
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),
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)
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new_id = cur.fetchone()[0]
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cur.execute(
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"""INSERT INTO linked_revs (revision_id, linked_id) VALUES (%s,%s)""",
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(new_id, rev.dbid),
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)
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cur.execute(
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"""INSERT INTO fake_revs (revision_id, linked_id) VALUES (%s,%s)""",
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(rev.dbid, linked.dbid),
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)
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2022-10-24 20:21:53 +02:00
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2022-10-26 21:47:39 +02:00
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def revisions_without_files(self, db):
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with db.cursor() as cur:
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cur.execute(
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"SELECT * FROM revisions WHERE broken=FALSE AND expanded_srcmd5 IS NULL"
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)
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return [DBRevision(row) for row in cur.fetchall()]
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2022-10-17 20:39:03 +02:00
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def import_into_db(self):
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db = DB()
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2022-10-18 12:17:43 +02:00
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for project, _, api_url in self.projects:
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self.obs.change_url(api_url)
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self.update_db_package(db, project, self.package)
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2022-10-24 20:21:53 +02:00
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self.fetch_all_linked_packages(db, project, self.package)
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# all remaining, no filtering here
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self.find_linked_revs(db)
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2022-10-26 11:58:01 +02:00
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2022-10-27 07:33:46 +02:00
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missing_users = User.missing_users(db)
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for userid in missing_users:
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missing_user = self.obs.user(userid)
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if missing_user:
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missing_user.import_into_db(db)
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2022-10-26 13:46:02 +02:00
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2022-10-27 07:33:46 +02:00
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self.find_fake_revisions(db)
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for rev in self.revisions_without_files(db):
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with db.cursor() as cur:
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cur.execute(
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"""SELECT unexpanded_srcmd5 from revisions WHERE
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id=(SELECT linked_id FROM linked_revs WHERE revision_id=%s)""",
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(rev.dbid,),
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)
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linked_rev = cur.fetchone()
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if linked_rev:
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linked_rev = linked_rev[0]
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list = self.obs.list(
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rev.project, rev.package, rev.unexpanded_srcmd5, linked_rev
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)
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if list:
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rev.import_dir_list(db, list)
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md5 = rev.calculate_files_hash(db)
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2022-10-24 12:01:28 +02:00
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with db.cursor() as cur:
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cur.execute(
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2022-10-27 07:33:46 +02:00
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"UPDATE revisions SET files_hash=%s WHERE id=%s",
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(md5, rev.dbid),
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2022-10-24 12:01:28 +02:00
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)
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2022-10-27 07:33:46 +02:00
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else:
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rev.set_broken(db)
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for number in DBRevision.requests_to_fetch(db):
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self.obs.request(number).import_into_db(db)
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2022-10-19 14:00:07 +02:00
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2022-10-18 19:29:25 +02:00
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db.conn.commit()
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2022-10-22 12:03:21 +02:00
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TreeBuilder(db).build(self.package)
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2022-10-17 20:39:03 +02:00
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2022-10-17 15:17:25 +02:00
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def import_all_revisions(self, gc):
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# Fetch all the requests and sort them. Ideally we should
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# build the graph here, to avoid new commits before the merge.
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# For now we will sort them and invalidate the commits if
|
|
|
|
# "rebase_devel" is set.
|
|
|
|
self.history.fetch_all_revisions(self.projects)
|
|
|
|
revisions = self.history.sort_all_revisions()
|
|
|
|
|
|
|
|
logging.debug(f"Selected import order for {self.package}")
|
|
|
|
for revision in revisions:
|
|
|
|
logging.debug(revision)
|
|
|
|
|
|
|
|
gc_cnt = gc
|
|
|
|
for revision in revisions:
|
|
|
|
gc_cnt -= 1
|
|
|
|
if gc_cnt <= 0 and gc:
|
|
|
|
self.git.gc()
|
|
|
|
gc_cnt = gc
|
|
|
|
self.import_revision(revision)
|
|
|
|
|
|
|
|
def import_new_revision_with_request(self, revision, request):
|
|
|
|
"""Create a new branch as a result of a merge"""
|
|
|
|
|
|
|
|
submitted_revision = self.history.find_revision(
|
|
|
|
request.source, request.revisionid, revision.time
|
|
|
|
)
|
|
|
|
if not submitted_revision:
|
|
|
|
logging.warning(f"Request {request} does not connect to a known revision")
|
|
|
|
return False
|
|
|
|
|
|
|
|
if not submitted_revision.commit:
|
|
|
|
# If the revision appointed by the request is not part of
|
|
|
|
# the git history, we can have an ordering problem. One
|
|
|
|
# example is "premake4".
|
|
|
|
self.import_revision(submitted_revision)
|
|
|
|
|
|
|
|
assert submitted_revision.commit is not None
|
|
|
|
|
|
|
|
project = revision.project
|
|
|
|
branch, _ = self.projects_info[project]
|
|
|
|
|
|
|
|
# TODO: add an empty commit marking the acceptenace of the request (see discussion in PR 2858)
|
|
|
|
self.git.branch(branch, submitted_revision.commit)
|
|
|
|
self.git.clean()
|
|
|
|
self.git.checkout(branch)
|
|
|
|
|
|
|
|
logging.info(f"Create new branch based on {submitted_revision.commit}")
|
|
|
|
revision.commit = submitted_revision.commit
|
|
|
|
|
|
|
|
def _rebase_branch_history(self, project, revision):
|
|
|
|
branch, _ = self.projects_info[project]
|
|
|
|
history = self.history[project]
|
|
|
|
revision_index = history.index(revision)
|
|
|
|
for index in range(revision_index + 1, len(history)):
|
|
|
|
revision = history[index]
|
|
|
|
# We are done when we have one non-commited revision
|
|
|
|
if not revision.commit:
|
|
|
|
return
|
|
|
|
logging.info(f"Rebasing {revision} from {branch}")
|
|
|
|
revision.commit = None
|
|
|
|
self.import_revision(revision)
|
|
|
|
|
|
|
|
def import_revision_with_request(self, revision, request):
|
|
|
|
"""Import a single revision via a merge"""
|
|
|
|
|
|
|
|
submitted_revision = self.history.find_revision(
|
|
|
|
request.source, request.revisionid, revision.time
|
|
|
|
)
|
|
|
|
if not submitted_revision:
|
|
|
|
logging.warning(f"Request {request} does not connect to a known revision")
|
|
|
|
return False
|
|
|
|
assert submitted_revision.commit is not None
|
|
|
|
|
|
|
|
# TODO: detect a revision, case in point
|
|
|
|
# Base:System/bash/284 -> rq683701 -> accept O:F/151
|
|
|
|
# -> autocommit Base:System/bash/285
|
|
|
|
# Revert lead to openSUSE:Factory/bash/152
|
|
|
|
# Base:System/286 restored the reverted code in devel project
|
|
|
|
# rq684575 was created and accepted as O:F/153
|
|
|
|
# But the 284-285 and the 285-286 changeset is seen as empty
|
|
|
|
# as the revert was never in Base:System, so the
|
|
|
|
# submitted_revision of 684575 has no commit
|
|
|
|
if submitted_revision.commit == "EMPTY":
|
|
|
|
logging.warning("Empty commit submitted?!")
|
|
|
|
return False
|
|
|
|
|
|
|
|
message = (
|
|
|
|
f"Accepting request {revision.requestid}: {revision.comment}\n\n{revision}"
|
|
|
|
)
|
|
|
|
commit = self.git.merge(
|
|
|
|
# TODO: revision.userid or request.creator?
|
|
|
|
f"OBS User {revision.userid}",
|
|
|
|
"null@suse.de",
|
|
|
|
revision.time,
|
|
|
|
message,
|
|
|
|
submitted_revision.commit,
|
|
|
|
)
|
|
|
|
|
|
|
|
if commit == "EMPTY":
|
|
|
|
logging.warning("Empty merge. Ignoring the revision and the request")
|
|
|
|
self.git.merge_abort()
|
|
|
|
revision.commit = commit
|
|
|
|
return False
|
|
|
|
|
|
|
|
if commit == "CONFLICT":
|
|
|
|
logging.info("Merge conflict. Downloading revision")
|
|
|
|
self.download(revision)
|
|
|
|
message = f"CONFLICT {message}"
|
|
|
|
commit = self.git.merge(
|
|
|
|
f"OBS User {revision.userid}",
|
|
|
|
"null@suse.de",
|
|
|
|
revision.time,
|
|
|
|
message,
|
|
|
|
submitted_revision.commit,
|
|
|
|
merged=True,
|
|
|
|
)
|
|
|
|
|
|
|
|
assert commit and commit != "CONFLICT"
|
|
|
|
logging.info(f"Merge with {submitted_revision.commit} into {commit}")
|
|
|
|
revision.commit = commit
|
|
|
|
|
|
|
|
# TODO: There are more checks to do, like for example, the
|
|
|
|
# last commit into the non-devel branch should be a merge from
|
|
|
|
# the devel branch
|
|
|
|
if self.rebase_devel:
|
|
|
|
branch, _ = self.projects_info.get(request.source, (None, None))
|
|
|
|
if branch == "devel":
|
|
|
|
self.git.repo.references[f"refs/heads/{branch}"].set_target(commit)
|
|
|
|
self._rebase_branch_history(request.source, submitted_revision)
|
|
|
|
|
|
|
|
return True
|
|
|
|
|
|
|
|
def matching_request(self, revision):
|
|
|
|
request = self.obs.request(revision.requestid)
|
|
|
|
if not request:
|
|
|
|
return None
|
|
|
|
|
|
|
|
# to be handled by the caller
|
|
|
|
if request.type() != "submit":
|
|
|
|
return request
|
|
|
|
|
|
|
|
if request.source not in self.projects_info:
|
|
|
|
logging.info("Request from a non exported project")
|
|
|
|
return None
|
|
|
|
|
|
|
|
if request.target != revision.project:
|
|
|
|
# This seems to happen when the devel project gets
|
|
|
|
# reinitialized (for example, SR#943593 in 7zip, or
|
|
|
|
# SR#437901 in ColorFull)
|
|
|
|
logging.info("Request target different from current project")
|
|
|
|
return None
|
|
|
|
|
|
|
|
if request.source == request.target:
|
|
|
|
# this is not a merge, but a different way to do a
|
|
|
|
# contribution to the (devel) project - see bindfs's rev 1
|
|
|
|
logging.info("Request within the same project")
|
|
|
|
return None
|
|
|
|
|
|
|
|
return request
|
|
|
|
|
|
|
|
def import_revision(self, revision):
|
|
|
|
"""Import a single revision into git"""
|
|
|
|
project = revision.project
|
|
|
|
branch, api_url = self.projects_info[project]
|
|
|
|
|
|
|
|
logging.info(f"Importing [{revision}] to {branch}")
|
|
|
|
|
|
|
|
self.obs.change_url(api_url)
|
|
|
|
|
|
|
|
# Populate linkrev and replace srcmd5 from the linked
|
|
|
|
# revision. If the expansion fails, the revision will be ignored
|
|
|
|
# and not imported.
|
|
|
|
if not revision.check_expanded():
|
|
|
|
logging.warning(f"Broken revision")
|
|
|
|
revision.ignored = True
|
|
|
|
return
|
|
|
|
|
|
|
|
# When doing a SR, we see also a revision in the origin
|
|
|
|
# project with the outgoing request, but without changes in
|
|
|
|
# the project. We can ignore them.
|
|
|
|
#
|
|
|
|
# If there is a request ID, it will be filtered out later,
|
|
|
|
# when the target project is different from itself.
|
|
|
|
if revision.userid == "autobuild" and not revision.requestid:
|
|
|
|
logging.info("Ignoring autocommit")
|
|
|
|
revision.ignored = True
|
|
|
|
return
|
|
|
|
|
|
|
|
if revision.userid == "buildservice-autocommit":
|
|
|
|
logging.info("Ignoring autocommit")
|
|
|
|
revision.ignored = True
|
|
|
|
return
|
|
|
|
|
|
|
|
# Create the reference if the branch is new. If so return
|
|
|
|
# True.
|
|
|
|
new_branch = self.git.checkout(branch)
|
|
|
|
|
|
|
|
if revision.requestid:
|
|
|
|
request = self.matching_request(revision)
|
|
|
|
if request:
|
|
|
|
if request.type() == "delete":
|
|
|
|
# TODO: after this comes a restore, this should be collapsed
|
|
|
|
# before even hitting git
|
|
|
|
logging.info("Delete request ignored")
|
|
|
|
revision.ignored = True
|
|
|
|
return
|
|
|
|
|
|
|
|
logging.debug(f"Found matching request: #{revision.project} #{request}")
|
|
|
|
if new_branch:
|
|
|
|
self.import_new_revision_with_request(revision, request)
|
|
|
|
return
|
|
|
|
if self.import_revision_with_request(revision, request):
|
|
|
|
return
|
|
|
|
|
|
|
|
# Import revision as a single commit (without merging)
|
|
|
|
self.download(revision)
|
|
|
|
|
|
|
|
if new_branch or self.git.is_dirty():
|
|
|
|
commit = self.git.commit(
|
|
|
|
f"OBS User {revision.userid}",
|
|
|
|
"null@suse.de",
|
|
|
|
revision.time,
|
|
|
|
# TODO: Normalize better the commit message
|
|
|
|
f"{revision.comment}\n\n{revision}",
|
|
|
|
# Create an empty commit only if is a new branch
|
|
|
|
allow_empty=new_branch,
|
|
|
|
)
|
|
|
|
revision.commit = commit
|
|
|
|
logging.info(f"Commit {commit}")
|
|
|
|
else:
|
|
|
|
logging.info("Skip empty commit")
|
|
|
|
revision.ignored = True
|