1 files changed, 173 insertions, 0 deletions

diff --git a/meta/lib/oeqa/utils/gitarchive.py b/meta/lib/oeqa/utils/gitarchive.py
new file mode 100644
index 0000000000..fddd608593
--- /dev/null
+++ b/meta/lib/oeqa/utils/gitarchive.py
@@ -0,0 +1,173 @@
+#
+# Helper functions for committing data to git and pushing upstream
+#
+# Copyright (c) 2017, Intel Corporation.
+# Copyright (c) 2019, Linux Foundation
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms and conditions of the GNU General Public License,
+# version 2, as published by the Free Software Foundation.
+#
+# This program is distributed in the hope it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+# more details.
+#
+
+import os
+import re
+import sys
+from oeqa.utils.git import GitRepo, GitError
+
+class ArchiveError(Exception):
+    """Internal error handling of this script"""
+
+def format_str(string, fields):
+    """Format string using the given fields (dict)"""
+    try:
+        return string.format(**fields)
+    except KeyError as err:
+        raise ArchiveError("Unable to expand string '{}': unknown field {} "
+                           "(valid fields are: {})".format(
+                               string, err, ', '.join(sorted(fields.keys()))))
+
+
+def init_git_repo(path, no_create, bare, log):
+    """Initialize local Git repository"""
+    path = os.path.abspath(path)
+    if os.path.isfile(path):
+        raise ArchiveError("Invalid Git repo at {}: path exists but is not a "
+                           "directory".format(path))
+    if not os.path.isdir(path) or not os.listdir(path):
+        if no_create:
+            raise ArchiveError("No git repo at {}, refusing to create "
+                               "one".format(path))
+        if not os.path.isdir(path):
+            try:
+                os.mkdir(path)
+            except (FileNotFoundError, PermissionError) as err:
+                raise ArchiveError("Failed to mkdir {}: {}".format(path, err))
+        if not os.listdir(path):
+            log.info("Initializing a new Git repo at %s", path)
+            repo = GitRepo.init(path, bare)
+    try:
+        repo = GitRepo(path, is_topdir=True)
+    except GitError:
+        raise ArchiveError("Non-empty directory that is not a Git repository "
+                           "at {}\nPlease specify an existing Git repository, "
+                           "an empty directory or a non-existing directory "
+                           "path.".format(path))
+    return repo
+
+
+def git_commit_data(repo, data_dir, branch, message, exclude, notes, log):
+    """Commit data into a Git repository"""
+    log.info("Committing data into to branch %s", branch)
+    tmp_index = os.path.join(repo.git_dir, 'index.oe-git-archive')
+    try:
+        # Create new tree object from the data
+        env_update = {'GIT_INDEX_FILE': tmp_index,
+                      'GIT_WORK_TREE': os.path.abspath(data_dir)}
+        repo.run_cmd('add .', env_update)
+
+        # Remove files that are excluded
+        if exclude:
+            repo.run_cmd(['rm', '--cached'] + [f for f in exclude], env_update)
+
+        tree = repo.run_cmd('write-tree', env_update)
+
+        # Create new commit object from the tree
+        parent = repo.rev_parse(branch)
+        git_cmd = ['commit-tree', tree, '-m', message]
+        if parent:
+            git_cmd += ['-p', parent]
+        commit = repo.run_cmd(git_cmd, env_update)
+
+        # Create git notes
+        for ref, filename in notes:
+            ref = ref.format(branch_name=branch)
+            repo.run_cmd(['notes', '--ref', ref, 'add',
+                          '-F', os.path.abspath(filename), commit])
+
+        # Update branch head
+        git_cmd = ['update-ref', 'refs/heads/' + branch, commit]
+        if parent:
+            git_cmd.append(parent)
+        repo.run_cmd(git_cmd)
+
+        # Update current HEAD, if we're on branch 'branch'
+        if not repo.bare and repo.get_current_branch() == branch:
+            log.info("Updating %s HEAD to latest commit", repo.top_dir)
+            repo.run_cmd('reset --hard')
+
+        return commit
+    finally:
+        if os.path.exists(tmp_index):
+            os.unlink(tmp_index)
+
+
+def expand_tag_strings(repo, name_pattern, msg_subj_pattern, msg_body_pattern,
+                       keywords):
+    """Generate tag name and message, with support for running id number"""
+    keyws = keywords.copy()
+    # Tag number is handled specially: if not defined, we autoincrement it
+    if 'tag_number' not in keyws:
+        # Fill in all other fields than 'tag_number'
+        keyws['tag_number'] = '{tag_number}'
+        tag_re = format_str(name_pattern, keyws)
+        # Replace parentheses for proper regex matching
+        tag_re = tag_re.replace('(', '\(').replace(')', '\)') + '$'
+        # Inject regex group pattern for 'tag_number'
+        tag_re = tag_re.format(tag_number='(?P<tag_number>[0-9]{1,5})')
+
+        keyws['tag_number'] = 0
+        for existing_tag in repo.run_cmd('tag').splitlines():
+            match = re.match(tag_re, existing_tag)
+
+            if match and int(match.group('tag_number')) >= keyws['tag_number']:
+                keyws['tag_number'] = int(match.group('tag_number')) + 1
+
+    tag_name = format_str(name_pattern, keyws)
+    msg_subj= format_str(msg_subj_pattern.strip(), keyws)
+    msg_body = format_str(msg_body_pattern, keyws)
+    return tag_name, msg_subj + '\n\n' + msg_body
+
+def gitarchive(data_dir, git_dir, no_create, bare, commit_msg_subject, commit_msg_body, branch_name, no_tag, tagname, tag_msg_subject, tag_msg_body, exclude, notes, push, keywords, log):
+
+    if not os.path.isdir(data_dir):
+        raise ArchiveError("Not a directory: {}".format(data_dir))
+
+    data_repo = init_git_repo(git_dir, no_create, bare, log)
+
+    # Expand strings early in order to avoid getting into inconsistent
+    # state (e.g. no tag even if data was committed)
+    commit_msg = format_str(commit_msg_subject.strip(), keywords)
+    commit_msg += '\n\n' + format_str(commit_msg_body, keywords)
+    branch_name = format_str(branch_name, keywords)
+    tag_name = None
+    if not no_tag and tagname:
+        tag_name, tag_msg = expand_tag_strings(data_repo, tagname,
+                                               tag_msg_subject,
+                                               tag_msg_body, keywords)
+
+    # Commit data
+    commit = git_commit_data(data_repo, data_dir, branch_name,
+                             commit_msg, exclude, notes, log)
+
+    # Create tag
+    if tag_name:
+        log.info("Creating tag %s", tag_name)
+        data_repo.run_cmd(['tag', '-a', '-m', tag_msg, tag_name, commit])
+
+    # Push data to remote
+    if push:
+        cmd = ['push', '--tags']
+        # If no remote is given we push with the default settings from
+        # gitconfig
+        if push is not True:
+            notes_refs = ['refs/notes/' + ref.format(branch_name=branch_name)
+                           for ref, _ in notes]
+            cmd.extend([push, branch_name] + notes_refs)
+        log.info("Pushing data to remote")
+        data_repo.run_cmd(cmd)
+