def apply_patch_temporarily(workdir, patch, files=None):
patch_file = patch_file_name(patch)
args = patch_args(patch)
srcdir = os.path.join(QUILT_PC, patch)
if not backup.restore(srcdir, to_dir=workdir, filelist=files, keep=True):
output.error('Failed to copy files to temporary directory\n')
return False
if os.path.isfile(patch_file) and os.path.getsize(patch_file) > 0:
text = fsutils.get_file_contents(patch_file)
result = putils.apply_patch(indir=workdir, patch_args=' '.join(args) + ' --no-backup-if-mismatch -Ef', patch_file=patch_file)
if result.eflags != 0:
# Generating a relative diff for a subset of files in
# the patch will fail. Also, if a patch was force
# applied, we know that it won't apply cleanly. In
# all other cases, print a warning.
if not os.path.isfile(os.path.join(QUILT_PC, patch + '~refresh')) and len(files) == 0:
output.error('Failed to patch temporary files\n')
return False
return True
def check_for_pending_changes(patch):
patch_file = patchfns.patch_file_name(patch)
workdir = patchfns.gen_tempfile(template='quilt', asdir=True)
patchdir = os.path.join(patchfns.QUILT_PC, patch)
if os.path.isdir(patchdir):
prefix = os.path.abspath(patchdir)
if not backup.restore(prefix, to_dir=workdir, keep=True):
output.error('Failed to copy files to temporary directory\n')
shutil.rmtree(workdir)
return False
if os.path.exists(patch_file) and os.path.getsize(patch_file) > 0:
patch_args = '%s --no-backup-if-mismatch -E' % ' '.join(patchfns.patch_args(patch))
result = putils.apply_patch(patch_file, indir=workdir, patch_args=patch_args)
if result.eflags != 0 and not os.path.exists(patchdir):
output.write(result.stdout)
output.error('Failed to patch temporary files\n')
shutil.rmtree(workdir)
return False
failed = False
for file_nm in patchfns.files_in_patch(patch):
wfile_nm = os.path.join(workdir, file_nm)
if not os.path.exists(file_nm):
if os.path.exists(wfile_nm):
failed = True
break
else:
continue
elif not os.path.exists(wfile_nm):
failed = True
break
if not diff.same_contents(file_nm, wfile_nm):
failed = True
break
shutil.rmtree(workdir)
if failed:
output.error('Patch %s does not remove cleanly (refresh it or enforce with -f)\n' % patchfns.print_patch(patch))
return cmd_result.ERROR_SUGGEST_FORCE
return True
def apply_patch(patch_file, patch_args):
if not os.path.exists(patch_file) or os.path.getsize(patch_file) == 0:
return cmd_result.Result(0, '', '')
return putils.apply_patch(patch_file, patch_args=patch_args)
