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# vim: set fileencoding=utf-8 :
#
# (C) 2006-2011, 2016 Guido Guenther <agx@sigxcpu.org>
# (C) 2012 Intel Corporation <markus.lehtonen@linux.intel.com>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, please see
# <http://www.gnu.org/licenses/>
#
"""Common functionality for Debian and RPM buildpackage scripts"""
import os
import os.path
import pipes
import tempfile
import shutil
from gbp.command_wrappers import (CatenateTarArchive, CatenateZipArchive)
from gbp.git import GitRepositoryError
from gbp.errors import GbpError
import gbp.log
# when we want to reference the index in a treeish context we call it:
index_name = "INDEX"
# when we want to reference the working copy in treeish context we call it:
wc_name = "WC"
def sanitize_prefix(prefix):
"""
Sanitize the prefix used for generating source archives
>>> sanitize_prefix('')
'/'
>>> sanitize_prefix('foo/')
'foo/'
>>> sanitize_prefix('/foo/bar')
'foo/bar/'
"""
if prefix:
return prefix.strip('/') + '/'
return '/'
def git_archive_submodules(repo, treeish, output, prefix, comp_type, comp_level,
comp_opts, format='tar'):
"""
Create a source tree archive with submodules.
Concatenates the archives generated by git-archive into one and compresses
the end result.
Exception handling is left to the caller.
"""
prefix = sanitize_prefix(prefix)
tempdir = tempfile.mkdtemp()
main_archive = os.path.join(tempdir, "main.%s" % format)
submodule_archive = os.path.join(tempdir, "submodule.%s" % format)
try:
# generate main (tmp) archive
repo.archive(format=format, prefix=prefix,
output=main_archive, treeish=treeish)
# generate each submodule's archive and append it to the main archive
for (subdir, commit) in repo.get_submodules(treeish):
tarpath = [subdir, subdir[2:]][subdir.startswith("./")]
gbp.log.debug("Processing submodule %s (%s)" % (subdir, commit[0:8]))
repo.archive(format=format, prefix='%s%s/' % (prefix, tarpath),
output=submodule_archive, treeish=commit, cwd=subdir)
if format == 'tar':
CatenateTarArchive(main_archive)(submodule_archive)
elif format == 'zip':
CatenateZipArchive(main_archive)(submodule_archive)
# compress the output
if comp_type:
# Redirect through stdout directly to the correct output file in
# order to avoid determining the output filename of the compressor
try:
comp_level_opt = '-%d' % comp_level if comp_level is not None else ''
except TypeError:
raise GbpError("Invalid compression level '%s'" % comp_level)
ret = os.system("%s --stdout %s %s %s > %s" %
(comp_type, comp_level_opt, comp_opts, main_archive,
output))
if ret:
raise GbpError("Error creating %s: %d" % (output, ret))
else:
shutil.move(main_archive, output)
finally:
shutil.rmtree(tempdir)
def git_archive_single(treeish, output, prefix, comp_type, comp_level, comp_opts, format='tar'):
"""
Create an archive without submodules
Exception handling is left to the caller.
"""
prefix = sanitize_prefix(prefix)
pipe = pipes.Template()
pipe.prepend("git archive --format=%s --prefix=%s %s" % (format, prefix, treeish), '.-')
try:
comp_level_opt = '-%d' % comp_level if comp_level is not None else ''
except TypeError:
raise GbpError("Invalid compression level '%s'" % comp_level)
if comp_type:
pipe.append('%s -c %s %s' % (comp_type, comp_level_opt, comp_opts), '--')
ret = pipe.copy('', output)
if ret:
raise GbpError("Error creating %s: %d" % (output, ret))
# Functions to handle export-dir
def dump_tree(repo, export_dir, treeish, with_submodules, recursive=True):
"dump a tree to output_dir"
output_dir = os.path.dirname(export_dir)
prefix = sanitize_prefix(os.path.basename(export_dir))
if recursive:
paths = []
else:
paths = ["'%s'" % nam for _mod, typ, _sha, nam in
repo.list_tree(treeish) if typ == 'blob']
pipe = pipes.Template()
pipe.prepend('git archive --format=tar --prefix=%s %s -- %s' %
(prefix, treeish, ' '.join(paths)), '.-')
pipe.append('tar -C %s -xf -' % output_dir, '-.')
top = os.path.abspath(os.path.curdir)
try:
ret = pipe.copy('', '')
if ret:
raise GbpError("Error in dump_tree archive pipe")
if recursive and with_submodules:
if repo.has_submodules():
repo.update_submodules()
for (subdir, commit) in repo.get_submodules(treeish):
gbp.log.info("Processing submodule %s (%s)" % (subdir, commit[0:8]))
tarpath = [subdir, subdir[2:]][subdir.startswith("./")]
os.chdir(subdir)
pipe = pipes.Template()
pipe.prepend('git archive --format=tar --prefix=%s%s/ %s' %
(prefix, tarpath, commit), '.-')
pipe.append('tar -C %s -xf -' % output_dir, '-.')
ret = pipe.copy('', '')
os.chdir(top)
if ret:
raise GbpError("Error in dump_tree archive pipe in submodule %s" % subdir)
except OSError as err:
gbp.log.err("Error dumping tree to %s: %s" % (output_dir, err[0]))
return False
except (GitRepositoryError, GbpError) as err:
gbp.log.err(err)
return False
except Exception as e:
gbp.log.err("Error dumping tree to %s: %s" % (output_dir, e))
return False
finally:
os.chdir(top)
return True
def wc_index(repo):
"""Get path of the temporary index file used for exporting working copy"""
return os.path.join(repo.git_dir, "gbp_index")
def write_wc(repo, force=True):
"""write out the current working copy as a treeish object"""
index_file = wc_index(repo)
repo.add_files(repo.path, force=force, index_file=index_file)
tree = repo.write_tree(index_file=index_file)
return tree
def drop_index(repo):
"""drop our custom index"""
index_file = wc_index(repo)
if os.path.exists(index_file):
os.unlink(index_file)
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