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require 'securerandom'
class CommitService
def self.transaction(project, current_user, ref)
repository = project.repository
path_to_repo = repository.path_to_repo
# Create temporary ref
random_string = SecureRandom.hex
tmp_ref = "refs/tmp/#{random_string}/head"
target = repository.find_branch(ref).target
repository.rugged.references.create(tmp_ref, target)
# Make commit in tmp ref
sha = yield(tmp_ref)
unless sha
raise 'Failed to create commit'
end
# Run GitLab pre-receive hook
status = PreCommitService.new(project, current_user).execute(sha, ref)
if status
# Update head
repository.rugged.references.update(Gitlab::Git::BRANCH_REF_PREFIX + ref, sha)
# Run GitLab post receive hook
PostCommitService.new(project, current_user).execute(sha, ref)
else
# Remove tmp ref and return error to user
repository.rugged.references.delete(tmp_ref)
raise 'Commit was rejected by pre-reveive hook'
end
end
end
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