update: explicitly run distri, not os.Args[0]

stapelberg · stapelberg · commit 76f76f80efbe · 2020-05-09T16:40:46.000+02:00
On distri, packages are hermetic¹ and their os.Args[0] is a full path that identifies a specific version of the program. ① https://michael.stapelberg.ch/posts/2020-05-09-distri-hermetic-packages/
diff --git a/cmd/distri/update.go b/cmd/distri/update.go
@@ -58,7 +58,7 @@ func update(ctx context.Context, args []string) error {
 			return err
 		}
 
-		cmd := exec.Command(os.Args[0], append([]string{"update"}, args...)...)
+		cmd := exec.Command("distri", append([]string{"update"}, args...)...)
 		log.Printf("re-executing %v", cmd.Args)
 		// TODO: clean the environment
 		cmd.Env = append(os.Environ(),

Original file line number	Diff line number	Diff line change
`@@ -58,7 +58,7 @@ func update(ctx context.Context, args []string) error {`
`58`	`58`	`return err`
`59`	`59`	`}`
`60`	`60`
`61`		`- cmd := exec.Command(os.Args[0], append([]string{"update"}, args...)...)`
	`61`	`+ cmd := exec.Command("distri", append([]string{"update"}, args...)...)`
`62`	`62`	`log.Printf("re-executing %v", cmd.Args)`
`63`	`63`	`// TODO: clean the environment`
`64`	`64`	`cmd.Env = append(os.Environ(),`