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out-of-tree/fs/fs.go

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package fs
import (
"errors"
"os"
"path/filepath"
"strings"
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"code.dumpstack.io/tools/out-of-tree/config"
)
// CaseInsensitive check
func CaseInsensitive(dir string) (yes bool, err error) {
pathLowercase := filepath.Join(dir, "file")
fLowercase, err := os.Create(pathLowercase)
if err != nil {
return
}
defer fLowercase.Close()
defer os.Remove(pathLowercase)
pathUppercase := filepath.Join(dir, "FILE")
fUppercase, err := os.Create(pathUppercase)
if err != nil {
return
}
defer fUppercase.Close()
defer os.Remove(pathUppercase)
statLowercase, err := fLowercase.Stat()
if err != nil {
return
}
statUppercase, err := fUppercase.Stat()
if err != nil {
return
}
yes = os.SameFile(statLowercase, statUppercase)
return
}
// PathExists check
func PathExists(path string) bool {
if _, err := os.Stat(path); err != nil {
return false
}
return true
}
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// TempDir that exist relative to config directory
func TempDir() (string, error) {
return os.MkdirTemp(config.Dir("tmp"), "")
}
func FindBySubstring(dir, substring string) (k string, err error) {
files, err := os.ReadDir(dir)
if err != nil {
return
}
for _, file := range files {
if strings.Contains(file.Name(), substring) {
k = filepath.Join(dir, file.Name())
return
}
}
err = errors.New("not found")
return
}