| 1 | package persistentshell |
| 2 | |
| 3 | import ( |
| 4 | "path/filepath" |
| 5 | |
| 6 | "golang.org/x/sys/windows" |
| 7 | ) |
| 8 | |
| 9 | // longPath expands 8.3 short-name aliases (e.g. HELLOF~1 when TEMP is a short |
| 10 | // path): PowerShell's Set-Location cannot enter a directory spelled with one. |
| 11 | // The original spelling is kept on failure, so the harness still gets a real |
| 12 | // directory on volumes without long-name expansion. |
| 13 | func longPath(path string) string { |
| 14 | cleaned := filepath.Clean(path) |
| 15 | input, err := windows.UTF16PtrFromString(cleaned) |
| 16 | if err != nil { |
| 17 | return cleaned |
| 18 | } |
| 19 | buffer := make([]uint16, 32768) |
| 20 | n, err := windows.GetLongPathName(input, &buffer[0], uint32(len(buffer))) |
| 21 | if err != nil || n == 0 || n >= uint32(len(buffer)) { |
| 22 | return cleaned |
| 23 | } |
| 24 | return windows.UTF16ToString(buffer[:n]) |
| 25 | } |
| 26 |