Commit b6625587 authored by Jacob Vosmaer's avatar Jacob Vosmaer

Simplify custom hook output handling

parent cab00513
......@@ -25,37 +25,24 @@ class GitlabCustomHook
private
def call_receive_hook(hook, changes)
# function will return true if succesful
exit_status = false
# Prepare the hook subprocess. Attach a pipe to its stdin, and merge
# both its stdout and stderr into our own stdout.
stdin_reader, stdin_writer = IO.pipe
hook_pid = spawn(hook, in: stdin_reader, err: :out)
stdin_reader.close
# we combine both stdout and stderr as we don't know what stream
# will be used by the custom hook
Open3.popen2e(hook) 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
# Submit changes to the hook via its stdin.
begin
# inject all the changes as stdin to the hook
changes.lines do |line|
stdin.puts(line)
end
IO.copy_stream(StringIO.new(changes), stdin_writer)
rescue Errno::EPIPE
# It is not an error if the hook does not consume all of its input.
end
# need to close stdin before reading stdout
stdin.close
unless wait_thr.value == 0
exit_status = false
end
stdout_stderr.each_line { |line| puts line }
end
# Close the pipe to let the hook know there is no further input.
stdin_writer.close
exit_status
Process.wait(hook_pid)
$?.success?
end
def hook_file(hook_type, repo_path)
......
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