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InitCommand() robustness (#327)

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fixes #320

Co-authored-by: Norwin Roosen <git@nroo.de>
Reviewed-on: https://gitea.com/gitea/tea/pulls/327
Reviewed-by: Andrew Thornton <art27@cantab.net>
Reviewed-by: 6543 <6543@obermui.de>
Co-authored-by: Norwin <noerw@noreply.gitea.io>
Co-committed-by: Norwin <noerw@noreply.gitea.io>
This commit is contained in:
Norwin
2021-03-01 06:29:26 +08:00
committed by 6543
parent 9c8321f2e0
commit 3c1efd33e2
2 changed files with 44 additions and 21 deletions
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22
modules/utils/path.go
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@ -26,15 +26,31 @@ func PathExists(path string) (bool, error) {
// FileExist returns whether the given file exists or not
func FileExist(fileName string) (bool, error) {
f, err := os.Stat(fileName)
return exists(fileName, false)
}
// DirExists returns whether the given file exists or not
func DirExists(path string) (bool, error) {
return exists(path, true)
}
func exists(path string, expectDir bool) (bool, error) {
f, err := os.Stat(path)
if err != nil {
if os.IsNotExist(err) {
if errors.Is(err, os.ErrNotExist) {
return false, nil
} else if err.(*os.PathError).Err.Error() == "not a directory" {
// some middle segment of path is a file, cannot traverse
// FIXME: catches error on linux; go does not provide a way to catch this properly..
return false, nil
}
return false, err
}
if f.IsDir() {
isDir := f.IsDir()
if isDir && !expectDir {
return false, errors.New("A directory with the same name exists")
} else if !isDir && expectDir {
return false, errors.New("A file with the same name exists")
}
return true, nil
}