docs(README): update installation instructions for various distributions

cmd/install.go

@@ -31,7 +31,7 @@ func runInstall(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
-	prefix, suffix, serviceUser := cfg.Prefix, cfg.Suffix, cfg.EffectiveServiceUser()
+	prefix, suffix := cfg.Prefix, cfg.Suffix
 	installed := 0
 	skipped := 0
 	removed := 0
@@ -57,7 +57,7 @@ func runInstall(cmd *cobra.Command, args []string) error {
 		}
 
 		if dryRun {
-			content, err := systemd.Generate(u, prefix, suffix, serviceUser)
+			content, err := systemd.Generate(u, prefix, suffix)
 			if err != nil {
 				fmt.Printf("  ✗ %s: %v\n", u.Name, err)
 				continue
@@ -68,7 +68,7 @@ func runInstall(cmd *cobra.Command, args []string) error {
 			continue
 		}
 
-		if err := systemd.Install(u, prefix, suffix, serviceUser); err != nil {
+		if err := systemd.Install(u, prefix, suffix); err != nil {
 			fmt.Printf("  ✗ failed: %s: %v\n", u.Name, err)
 		} else {
 			path, _ := systemd.UnitPath(u, prefix, suffix)

cmd/root.go

@@ -7,6 +7,8 @@ import (
 	"github.com/spf13/cobra"
 )
 
+var version = "dev"
+
 var configPath string
 
 var rootCmd = &cobra.Command{
@@ -16,7 +18,7 @@ var rootCmd = &cobra.Command{
 
 It discovers running containers, stores them in a config file,
 and generates + manages systemd .service units for each one.`,
-	Version: "0.1.0",
+	Version: version,
 }
 
 func Execute() {

cmd/update.go

@@ -63,10 +63,10 @@ func runUpdate(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
-	prefix, suffix, serviceUser := cfg.Prefix, cfg.Suffix, cfg.EffectiveServiceUser()
+	prefix, suffix := cfg.Prefix, cfg.Suffix
 
 	if systemd.IsInstalled(*u, prefix, suffix) {
-		if err := systemd.Install(*u, prefix, suffix, serviceUser); err != nil {
+		if err := systemd.Install(*u, prefix, suffix); err != nil {
 			return fmt.Errorf("recreating service file: %w", err)
 		}
 		path, _ := systemd.UnitPath(*u, prefix, suffix)