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- Committer: Jelmer Vernooij
- Date: 2012-01-04 23:28:23 UTC
- mfrom: (678.1.3 quilt)
- Revision ID: jelmer@samba.org-20120104232823-jwtn925z8awhsn9n
Merge support for running quilt.
- files added:
- quilt.py
- files modified:
- merge_quilt.py
added
removed
quilt.py
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# quilt.py -- Quilt patch handling
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# Copyright (C) 2011 Canonical Ltd.
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#
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# This file is part of bzr-builddeb.
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#
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# bzr-builddeb is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# bzr-builddeb is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with bzr-builddeb; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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"""Quilt patch handling."""
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from __future__ import absolute_import
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import errno
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import os
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import signal
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import subprocess
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from bzrlib import (
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errors,
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trace,
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)
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class QuiltError(errors.BzrError):
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_fmt = "An error (%(retcode)d) occurred running quilt: %(stderr)s%(extra)s"
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def __init__(self, retcode, stdout, stderr):
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self.retcode = retcode
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self.stderr = stderr
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if stdout is not None:
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self.extra = "\n\n%s" % stdout
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else:
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self.extra = ""
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self.stdout = stdout
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def run_quilt(args, working_dir, series_file=None, patches_dir=None, quiet=None):
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"""Run quilt.
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:param args: Arguments to quilt
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:param working_dir: Working dir
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:param series_file: Optional path to the series file
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:param patches_dir: Optional path to the patches
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:param quilt: Whether to be quiet (quilt stderr not to terminal)
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:raise QuiltError: When running quilt fails
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"""
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def subprocess_setup():
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signal.signal(signal.SIGPIPE, signal.SIG_DFL)
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env = {}
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if patches_dir is not None:
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env["QUILT_PATCHES"] = patches_dir
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else:
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env["QUILT_PATCHES"] = os.path.join(working_dir, "debian", "patches")
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if series_file is not None:
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env["QUILT_SERIES"] = series_file
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else:
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env["QUILT_SERIES"] = os.path.join(env["QUILT_PATCHES"], "series")
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# Hide output if -q is in use.
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if quiet is None:
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quiet = trace.is_quiet()
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if quiet:
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stderr = subprocess.STDOUT
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else:
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stderr = subprocess.PIPE
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command = ["quilt"] + args
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trace.mutter("running: %r", command)
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if not os.path.isdir(working_dir):
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raise AssertionError("%s is not a valid directory" % working_dir)
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try:
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proc = subprocess.Popen(command, cwd=working_dir, env=env,
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stdin=subprocess.PIPE, preexec_fn=subprocess_setup,
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stdout=subprocess.PIPE, stderr=stderr)
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except OSError, e:
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if e.errno != errno.ENOENT:
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raise
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raise errors.BzrError("quilt is not installed, please install it")
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output = proc.communicate()
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if proc.returncode not in (0, 2):
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raise QuiltError(proc.returncode, output[0], output[1])
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if output[0] is None:
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return ""
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return output[0]
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def quilt_pop_all(working_dir, patches_dir=None, series_file=None, quiet=None):
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"""Pop all patches.
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:param working_dir: Directory to work in
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:param patches_dir: Optional patches directory
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:param series_file: Optional series file
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"""
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return run_quilt(["pop", "-a"], working_dir=working_dir, patches_dir=patches_dir, series_file=series_file, quiet=quiet)
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def quilt_push_all(working_dir, patches_dir=None, series_file=None, quiet=None):
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"""Push all patches.
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:param working_dir: Directory to work in
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:param patches_dir: Optional patches directory
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:param series_file: Optional series file
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"""
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return run_quilt(["push", "-a"], working_dir=working_dir, patches_dir=patches_dir, series_file=series_file, quiet=quiet)
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def quilt_applied(working_dir, patches_dir=None, series_file=None):
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"""Find the list of applied quilt patches.
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:param working_dir: Directory to work in
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:param patches_dir: Optional patches directory
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:param series_file: Optional series file
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"""
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try:
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return run_quilt(["applied"], working_dir=working_dir, patches_dir=patches_dir, series_file=series_file).splitlines()
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except QuiltError, e:
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if e.retcode == 1:
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return []
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raise
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def quilt_unapplied(working_dir, patches_dir=None, series_file=None):
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"""Find the list of unapplied quilt patches.
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:param working_dir: Directory to work in
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:param patches_dir: Optional patches directory
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:param series_file: Optional series file
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"""
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try:
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return run_quilt(["unapplied"], working_dir=working_dir,
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patches_dir=patches_dir, series_file=series_file).splitlines()
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except QuiltError, e:
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if e.retcode == 1:
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return []
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raise
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def quilt_series(working_dir, patches_dir=None, series_file=None):
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"""Find the list of patches.
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:param working_dir: Directory to work in
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:param patches_dir: Optional patches directory
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:param series_file: Optional series file
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"""
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return run_quilt(["series"], working_dir=working_dir, patches_dir=patches_dir, series_file=series_file).splitlines()
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