def createEquivalentMergeCommit(db, review, user, old_head, old_upstream, new_head, new_upstream, onto_branch=None):
repository = review.repository
old_upstream_name = repository.findInterestingTag(db, old_upstream.sha1) or old_upstream.sha1
new_upstream_name = repository.findInterestingTag(db, new_upstream.sha1) or new_upstream.sha1
if onto_branch:
merged_thing = "branch '%s'" % onto_branch
else:
merged_thing = "commit '%s'" % new_upstream_name
commit_message = """\
Merge %(merged_thing)s into %(review.branch.name)s
This commit was generated automatically by Critic as an equivalent merge
to the rebase of the commits
%(old_upstream_name)s..%(old_head.sha1)s
onto the %(merged_thing)s.""" % { "merged_thing": merged_thing,
"review.branch.name": review.branch.name,
"old_upstream_name": old_upstream_name,
"old_head.sha1": old_head.sha1 }
merge_sha1 = repository.run('commit-tree', new_head.tree, '-p', old_head.sha1, '-p', new_upstream.sha1,
input=commit_message,
env=gitutils.getGitEnvironment()).strip()
merge = gitutils.Commit.fromSHA1(db, repository, merge_sha1)
gituser_id = merge.author.getGitUserId(db)
cursor = db.cursor()
cursor.execute("""INSERT INTO commits (sha1, author_gituser, commit_gituser, author_time, commit_time)
VALUES (%s, %s, %s, %s, %s)
RETURNING id""",
(merge.sha1, gituser_id, gituser_id, timestamp(merge.author.time), timestamp(merge.committer.time)))
merge.id = cursor.fetchone()[0]
cursor.executemany("INSERT INTO edges (parent, child) VALUES (%s, %s)",
[(old_head.getId(db), merge.id),
(new_upstream.getId(db), merge.id)])
# Need to commit the transaction to make the new commit available
# to other database sessions right away, specifically so that the
# changeset service can see it.
db.commit()
return merge
def replayRebase(db, review, user, old_head, old_upstream, new_head, new_upstream, onto_branch=None):
repository = review.repository
old_upstream_name = repository.findInterestingTag(db, old_upstream.sha1) or old_upstream.sha1
if onto_branch:
new_upstream_name = "branch '%s'" % onto_branch
else:
new_upstream_name = "commit '%s'" % (repository.findInterestingTag(db, new_upstream.sha1) or new_upstream.sha1)
commit_message = """\
Rebased %(review.branch.name)s onto %(new_upstream_name)s
This commit was generated automatically by Critic to "replay" the
rebase of the commits
%(old_upstream_name)s..%(old_head.sha1)s
onto the %(new_upstream_name)s.""" % { "review.branch.name": review.branch.name,
"old_head.sha1": old_head.sha1,
"old_upstream_name": old_upstream_name,
"new_upstream_name": new_upstream_name }
original_sha1 = repository.run(
'commit-tree', old_head.tree, '-p', old_upstream.sha1,
env=gitutils.getGitEnvironment(),
input=commit_message).strip()
with repository.workcopy(original_sha1) as workcopy:
with repository.temporaryref(new_upstream) as new_upstream_ref, \
repository.temporaryref(original_sha1) as original_ref:
workcopy.run("fetch", "--quiet", "origin",
"%s:refs/heads/temporary" % new_upstream_ref,
"%s:refs/heads/original" % original_ref)
workcopy.run("checkout", "refs/heads/temporary")
returncode, stdout, stderr = workcopy.run(
"cherry-pick", "refs/heads/original",
env=gitutils.getGitEnvironment(),
check_errors=False)
# If the rebase produced conflicts, just stage and commit them:
if returncode != 0:
# Reset any submodule gitlinks with conflicts: since we don't
# have the submodules checked out, "git commit --all" below
# may fail to index them.
for line in stdout.splitlines():
if line.startswith("CONFLICT (submodule):"):
submodule_path = line.split()[-1]
workcopy.run("reset", "--", submodule_path, check_errors=False)
# Then stage and commit the result, with conflict markers and all.
workcopy.run("commit", "--all", "--reuse-message=%s" % original_sha1,
env=gitutils.getGitEnvironment())
rebased_sha1 = workcopy.run("rev-parse", "HEAD").strip()
workcopy.run("push", "origin", "HEAD:refs/keepalive/" + rebased_sha1)
return gitutils.Commit.fromSHA1(db, repository, rebased_sha1)
def replayRebase(db,
review,
user,
old_head,
old_upstream,
new_head,
new_upstream,
onto_branch=None):
repository = review.repository
old_upstream_name = repository.findInterestingTag(
db, old_upstream.sha1) or old_upstream.sha1
if onto_branch:
new_upstream_name = "branch '%s'" % onto_branch
else:
new_upstream_name = "commit '%s'" % (repository.findInterestingTag(
db, new_upstream.sha1) or new_upstream.sha1)
commit_message = """\
Rebased %(review.branch.name)s onto %(new_upstream_name)s
This commit was generated automatically by Critic to "replay" the
rebase of the commits
%(old_upstream_name)s..%(old_head.sha1)s
onto the %(new_upstream_name)s.""" % {
"review.branch.name": review.branch.name,
"old_head.sha1": old_head.sha1,
"old_upstream_name": old_upstream_name,
"new_upstream_name": new_upstream_name
}
original_sha1 = repository.run('commit-tree',
old_head.tree,
'-p',
old_upstream.sha1,
env=gitutils.getGitEnvironment(),
input=commit_message).strip()
with repository.workcopy(original_sha1) as workcopy:
with repository.temporaryref(new_upstream) as new_upstream_ref, \
repository.temporaryref(original_sha1) as original_ref:
workcopy.run("fetch", "--quiet", "origin",
"%s:refs/heads/temporary" % new_upstream_ref,
"%s:refs/heads/original" % original_ref)
workcopy.run("checkout", "refs/heads/temporary")
returncode, stdout, stderr = workcopy.run(
"cherry-pick",
"refs/heads/original",
env=gitutils.getGitEnvironment(),
check_errors=False)
# If the rebase produced conflicts, just stage and commit them:
if returncode != 0:
# Reset any submodule gitlinks with conflicts: since we don't
# have the submodules checked out, "git commit --all" below
# may fail to index them.
for line in stdout.splitlines():
if line.startswith("CONFLICT (submodule):"):
submodule_path = line.split()[-1]
workcopy.run("reset",
"--",
submodule_path,
check_errors=False)
# Then stage and commit the result, with conflict markers and all.
workcopy.run("commit",
"--all",
"--reuse-message=%s" % original_sha1,
env=gitutils.getGitEnvironment())
rebased_sha1 = workcopy.run("rev-parse", "HEAD").strip()
workcopy.run("push", "origin", "HEAD:refs/keepalive/" + rebased_sha1)
return gitutils.Commit.fromSHA1(db, repository, rebased_sha1)
def createEquivalentMergeCommit(db,
review,
user,
old_head,
old_upstream,
new_head,
new_upstream,
onto_branch=None):
repository = review.repository
old_upstream_name = repository.findInterestingTag(
db, old_upstream.sha1) or old_upstream.sha1
new_upstream_name = repository.findInterestingTag(
db, new_upstream.sha1) or new_upstream.sha1
if onto_branch:
merged_thing = "branch '%s'" % onto_branch
else:
merged_thing = "commit '%s'" % new_upstream_name
commit_message = """\
Merge %(merged_thing)s into %(review.branch.name)s
This commit was generated automatically by Critic as an equivalent merge
to the rebase of the commits
%(old_upstream_name)s..%(old_head.sha1)s
onto the %(merged_thing)s.""" % {
"merged_thing": merged_thing,
"review.branch.name": review.branch.name,
"old_upstream_name": old_upstream_name,
"old_head.sha1": old_head.sha1
}
merge_sha1 = repository.run('commit-tree',
new_head.tree,
'-p',
old_head.sha1,
'-p',
new_upstream.sha1,
input=commit_message,
env=gitutils.getGitEnvironment()).strip()
merge = gitutils.Commit.fromSHA1(db, repository, merge_sha1)
gituser_id = merge.author.getGitUserId(db)
cursor = db.cursor()
cursor.execute(
"""INSERT INTO commits (sha1, author_gituser, commit_gituser, author_time, commit_time)
VALUES (%s, %s, %s, %s, %s)
RETURNING id""",
(merge.sha1, gituser_id, gituser_id, timestamp(
merge.author.time), timestamp(merge.committer.time)))
merge.id = cursor.fetchone()[0]
cursor.executemany("INSERT INTO edges (parent, child) VALUES (%s, %s)",
[(old_head.getId(db), merge.id),
(new_upstream.getId(db), merge.id)])
# Need to commit the transaction to make the new commit available
# to other database sessions right away, specifically so that the
# changeset service can see it.
db.commit()
return merge
