-/*
-goredo -- redo implementation on pure Go
-Copyright (C) 2020 Sergey Matveev <stargrave@stargrave.org>
-
-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, version 3 of the License.
-
-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, see <http://www.gnu.org/licenses/>.
-*/
+// goredo -- djb's redo implementation on pure Go
+// Copyright (C) 2020-2024 Sergey Matveev <stargrave@stargrave.org>
+//
+// 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, version 3 of the License.
+//
+// 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, see <http://www.gnu.org/licenses/>.
package main
import (
+ "flag"
"fmt"
"io"
"log"
"os"
- "path/filepath"
+ "path"
"strings"
)
CleanupFull = "full"
CleanupLog = "log"
CleanupTmp = "tmp"
+ CleanupLock = "lock"
)
-func redoDirClean(root, what string) error {
- root, err := filepath.Abs(root)
- if err != nil {
- panic(err)
+var DryRun *bool
+
+func init() {
+ if CmdName() != CmdNameRedoCleanup {
+ return
}
+ DryRun = flag.Bool("n", false, "do no delete files during cleanup, just show them")
+}
+
+func redoDirClean(root, what string) error {
+ root = mustAbs(root)
dir, err := os.Open(root)
if err != nil {
- return err
+ return ErrLine(err)
}
+ defer dir.Close()
for {
- fis, err := dir.Readdir(1 << 10)
+ entries, err := dir.ReadDir(1 << 10)
if err != nil {
if err == io.EOF {
break
}
- return err
+ return ErrLine(err)
}
var pth string
- for _, fi := range fis {
- pth = cwdMustRel(root, fi.Name())
+ for _, entry := range entries {
+ pth = cwdMustRel(root, entry.Name())
switch what {
case CleanupLog:
- if strings.HasSuffix(fi.Name(), LogSuffix) {
+ if strings.HasSuffix(entry.Name(), LogSuffix) ||
+ strings.HasSuffix(entry.Name(), LogRecSuffix) {
fmt.Println(pth)
- if err = os.Remove(pth); err != nil {
- return err
+ if !*DryRun {
+ if err = os.Remove(pth); err != nil {
+ return ErrLine(err)
+ }
+ }
+ }
+ case CleanupLock:
+ if strings.HasSuffix(entry.Name(), LockSuffix) {
+ fmt.Println(pth)
+ if !*DryRun {
+ if err = os.Remove(pth); err != nil {
+ return ErrLine(err)
+ }
}
}
case CleanupTmp:
- if strings.HasPrefix(fi.Name(), TmpPrefix) {
+ if strings.HasPrefix(entry.Name(), TmpPrefix) {
fmt.Println(pth)
- if err = os.Remove(pth); err != nil {
- return err
+ if !*DryRun {
+ if err = os.Remove(pth); err != nil {
+ return ErrLine(err)
+ }
}
}
default:
- log.Fatalln("unknown cleanup target")
+ log.Fatal("unknown cleanup target")
}
}
}
- return dir.Close()
+ return nil
}
func cleanupWalker(root, what string) error {
- root, err := filepath.Abs(root)
- if err != nil {
- panic(err)
- }
+ root = mustAbs(root)
dir, err := os.Open(root)
if err != nil {
- return err
+ return ErrLine(err)
}
defer dir.Close()
for {
- fis, err := dir.Readdir(1 << 10)
+ entries, err := dir.ReadDir(1 << 10)
if err != nil {
if err == io.EOF {
break
}
- return err
+ return ErrLine(err)
}
- var pth string
- for _, fi := range fis {
- pth = cwdMustRel(root, fi.Name())
- if fi.IsDir() {
- if fi.Name() == RedoDir {
+ for _, entry := range entries {
+ pth := path.Join(root, entry.Name())
+ pthRel := cwdMustRel(root, entry.Name())
+ if entry.IsDir() {
+ if entry.Name() == RedoDir {
if what == CleanupFull {
- fmt.Println(pth)
- err = os.RemoveAll(pth)
+ fmt.Println(pthRel)
+ if !*DryRun {
+ err = ErrLine(os.RemoveAll(pth))
+ }
} else {
err = redoDirClean(pth, what)
}
+ } else if (what == CleanupTmp || what == CleanupFull) &&
+ strings.HasPrefix(entry.Name(), TmpPrefix) {
+ fmt.Println(pthRel)
+ if !*DryRun {
+ err = ErrLine(os.RemoveAll(pth))
+ }
} else {
err = cleanupWalker(pth, what)
}
continue
}
if (what == CleanupTmp || what == CleanupFull) &&
- strings.HasPrefix(fi.Name(), TmpPrefix) {
- fmt.Println(pth)
- if err = os.Remove(pth); err != nil {
- return err
+ strings.HasPrefix(entry.Name(), TmpPrefix) {
+ fmt.Println(pthRel)
+ if !*DryRun {
+ if err = os.Remove(pth); err != nil {
+ return ErrLine(err)
+ }
}
}
}
}
- return dir.Close()
+ return nil
}