def run_revert(args):
patchfns.chdir_to_base_dir()
patch = patchfns.find_applied_patch(args.opt_patch)
if not patch:
return cmd_result.ERROR
prpatch = patchfns.print_patch(patch)
if patchfns.SUBDIR:
args.files = [os.path.join(patchfns.SUBDIR, item) for item in args.files]
is_ok = True
for filename in args.files:
if not patchfns.file_in_patch(filename, patch):
is_ok = False
output.error('File %s is not in patch %s\n' % (filename, prpatch))
continue
next_patch = patchfns.next_patch_for_file(patch, filename)
if next_patch:
is_ok = False
output.error('' % (filename, patchfns.print_patch(next_patch)))
continue
if not is_ok:
return cmd_result.ERROR
workdir = patchfns.gen_tempfile(os.getcwd(), asdir=True)
atexit.register(clean_up, workdir)
if not patchfns.apply_patch_temporarily(workdir, patch, args.files):
return cmd_result.ERROR
for filename in args.files:
revert_ok = True
wdfilename = os.path.join(workdir, filename)
if os.path.exists(wdfilename) and os.path.getsize(wdfilename) > 0:
if os.path.exists(filename) and diff.same_contents(filename, wdfilename):
output.write('File %s is unchanged\n' % filename)
continue
try:
fdir = os.path.dirname(filename)
if fdir and not os.path.exists(fdir):
os.makedirs(fdir)
shutil.copy2(wdfilename, filename)
except OSError as edata:
revert_ok = False
else:
if not os.path.exists(filename):
output.write('File %s is unchanged\n' % filename)
continue
try:
os.remove(filename)
fdir = os.path.dirname(filename)
if os.path.exists(fdir) and len(os.listdir(fdir)) == 0:
os.removedirs(fdir)
except OSError as edata:
revert_ok = False
if revert_ok:
output.write('Changes to %s in patch %s reverted\n' % (filename, prpatch))
else:
output.error('Failed to revert changes to %s in patch %s\n' % (filename, prpatch))
is_ok = False
return cmd_result.OK if is_ok else cmd_result.ERROR
def do_diff(filename, old_file, new_file, args):
"""Output the diff for the nominated files"""
if args.opt_reverse:
old_file, new_file = new_file, old_file
if args.opt_diff:
if not os.path.exists(old_file):
old_file = '/dev/null'
if not os.path.exists(new_file):
new_file = '/dev/null'
if not diff.same_contents(old_file, new_file):
os.environ['LANG'] = patchfns.ORIGINAL_LANG
shell.run_cmd('%s %s %s' % (args.opt_diff, old_file, new_file))
os.environ['LANG'] = 'POSIX'
return True
else:
result = diff.diff_file(filename, old_file, new_file, args)
output.error(result.stderr)
if args.opt_color:
output.write(colorize(result.stdout))
else:
output.write(result.stdout)
return result.eflags < 2
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
