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class PostCommitService < BaseService
include Gitlab::Popen
attr_reader :changes, :repo_path
def execute(sha, branch)
commit = repository.commit(sha)
full_ref = Gitlab::Git::BRANCH_REF_PREFIX + branch
old_sha = commit.parent_id || Gitlab::Git::BLANK_SHA
@changes = "#{old_sha} #{sha} #{full_ref}"
@repo_path = repository.path_to_repo
post_receive
end
private
def post_receive
hook = hook_file('post-receive', repo_path)
return true if hook.nil?
call_receive_hook(hook)
end
def call_receive_hook(hook)
# function will return true if succesful
exit_status = false
vars = {
'GL_ID' => Gitlab::ShellEnv.gl_id(current_user),
'PWD' => repo_path
}
options = {
chdir: repo_path
}
# we combine both stdout and stderr as we don't know what stream
# will be used by the custom hook
Open3.popen2e(vars, hook, options) do |stdin, stdout_stderr, wait_thr|
exit_status = true
stdin.sync = true
# in git, pre- and post- receive hooks may just exit without
# reading stdin. We catch the exception to avoid a broken pipe
# warning
begin
# inject all the changes as stdin to the hook
changes.lines do |line|
stdin.puts line
end
rescue Errno::EPIPE
end
# need to close stdin before reading stdout
stdin.close
# only output stdut_stderr if scripts doesn't return 0
unless wait_thr.value == 0
exit_status = false
end
end
exit_status
end
def hook_file(hook_type, repo_path)
hook_path = File.join(repo_path.strip, 'hooks')
hook_file = "#{hook_path}/#{hook_type}"
hook_file if File.exist?(hook_file)
end
end
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