clearer error message when not able to create postpone-cut-over-flag-file

Shlomi Noach · Shlomi Noach · commit aff741362471 · 2017-10-02T16:00:58.000+03:00
diff --git a/go/logic/migrator.go b/go/logic/migrator.go
@@ -269,7 +269,7 @@ func (this *Migrator) createFlagFiles() (err error) {
 	if this.migrationContext.PostponeCutOverFlagFile != "" {
 		if !base.FileExists(this.migrationContext.PostponeCutOverFlagFile) {
 			if err := base.TouchFile(this.migrationContext.PostponeCutOverFlagFile); err != nil {
-				return err
+				return log.Errorf("--postpone-cut-over-flag-file indicated by gh-ost is unable to create said file: %s", err.Error())
 			}
 			log.Infof("Created postpone-cut-over-flag-file: %s", this.migrationContext.PostponeCutOverFlagFile)
 		}

Original file line number	Diff line number	Diff line change
`@@ -269,7 +269,7 @@ func (this *Migrator) createFlagFiles() (err error) {`
`269`	`269`	`if this.migrationContext.PostponeCutOverFlagFile != "" {`
`270`	`270`	`if !base.FileExists(this.migrationContext.PostponeCutOverFlagFile) {`
`271`	`271`	`if err := base.TouchFile(this.migrationContext.PostponeCutOverFlagFile); err != nil {`
`272`		`- return err`
	`272`	`+ return log.Errorf("--postpone-cut-over-flag-file indicated by gh-ost is unable to create said file: %s", err.Error())`
`273`	`273`	`}`
`274`	`274`	`log.Infof("Created postpone-cut-over-flag-file: %s", this.migrationContext.PostponeCutOverFlagFile)`
`275`	`275`	`}`