diff options
Diffstat (limited to 'pkg/util/utils.go')
-rw-r--r-- | pkg/util/utils.go | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/pkg/util/utils.go b/pkg/util/utils.go index 61cdbbf38..9e49f08a0 100644 --- a/pkg/util/utils.go +++ b/pkg/util/utils.go @@ -337,3 +337,14 @@ func GetGlobalOpts(c *cliconfig.RunlabelValues) string { }) return strings.Join(optsCommand, " ") } + +// OpenExclusiveFile opens a file for writing and ensure it doesn't already exist +func OpenExclusiveFile(path string) (*os.File, error) { + baseDir := filepath.Dir(path) + if baseDir != "" { + if _, err := os.Stat(baseDir); err != nil { + return nil, err + } + } + return os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0666) +} |