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