diff options
| -rw-r--r-- | cmd/commandfuncs.go | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/cmd/commandfuncs.go b/cmd/commandfuncs.go index f24a9d069..58b972043 100644 --- a/cmd/commandfuncs.go +++ b/cmd/commandfuncs.go @@ -577,6 +577,10 @@ func cmdUpgrade(_ Flags) (int, error) { if err != nil { return caddy.ExitCodeFailedStartup, fmt.Errorf("determining current executable path: %v", err) } + thisExecStat, err := os.Stat(thisExecPath) + if err != nil { + return caddy.ExitCodeFailedStartup, fmt.Errorf("retrieving current executable permission bits: %v", err) + } l.Info("this executable will be replaced", zap.String("path", thisExecPath)) // get the list of nonstandard plugins @@ -654,7 +658,7 @@ func cmdUpgrade(_ Flags) (int, error) { // download the file; do this in a closure to close reliably before we execute it writeFile := func() error { - destFile, err := os.OpenFile(thisExecPath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0770) + destFile, err := os.OpenFile(thisExecPath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, thisExecStat.Mode()) if err != nil { return fmt.Errorf("unable to open destination file: %v", err) } |