2 goredo -- djb's redo implementation on pure Go
3 Copyright (C) 2020-2021 Sergey Matveev <stargrave@stargrave.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, version 3 of the License.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
40 if CmdName() != CmdNameRedoCleanup {
43 DryRun = flag.Bool("n", false, "do no delete files during cleanup, just show them")
46 func redoDirClean(root, what string) error {
47 root, err := filepath.Abs(root)
51 dir, err := os.Open(root)
56 fis, err := dir.Readdir(1 << 10)
64 for _, fi := range fis {
65 pth = cwdMustRel(root, fi.Name())
68 if strings.HasSuffix(fi.Name(), LogSuffix) {
71 if err = os.Remove(pth); err != nil {
77 if strings.HasPrefix(fi.Name(), TmpPrefix) {
80 if err = os.Remove(pth); err != nil {
86 log.Fatalln("unknown cleanup target")
93 func cleanupWalker(root, what string) error {
94 root, err := filepath.Abs(root)
98 dir, err := os.Open(root)
104 fis, err := dir.Readdir(1 << 10)
111 for _, fi := range fis {
112 pth := path.Join(root, fi.Name())
113 pthRel := cwdMustRel(root, fi.Name())
115 if fi.Name() == RedoDir {
116 if what == CleanupFull {
119 err = os.RemoveAll(pth)
122 err = redoDirClean(pth, what)
125 err = cleanupWalker(pth, what)
132 if (what == CleanupTmp || what == CleanupFull) &&
133 strings.HasPrefix(fi.Name(), TmpPrefix) {
136 if err = os.Remove(pth); err != nil {