fix snap installation

entity/snap.go

@@ -1,6 +1,6 @@
 package entity
 
 type Snap struct {
-	Name    string `yaml:"snap"`
+	Name    string `yaml:"name"`
 	Classic bool   `yaml:"classic"`
 }

internal/run.go

@@ -0,0 +1,20 @@
+package internal
+
+import marecmd "github.com/femnad/mare/cmd"
+
+func MaybeRunWithSudo(cmdStr string) error {
+	isRoot, err := IsUserRoot()
+	if err != nil {
+		return err
+	}
+
+	cmd := marecmd.Input{Command: cmdStr, Sudo: !isRoot}
+	_, err = marecmd.RunFormatError(cmd)
+	return err
+}
+
+func Run(cmdStr string) error {
+	cmd := marecmd.Input{Command: cmdStr}
+	_, err := marecmd.RunFormatError(cmd)
+	return err
+}

provision/osrepo.go

@@ -2,7 +2,6 @@ package provision
 
 import (
 	"errors"
-	marecmd "github.com/femnad/mare/cmd"
 
 	mapset "github.com/deckarep/golang-set/v2"
 
@@ -11,6 +10,7 @@ import (
 	"github.com/femnad/fup/internal"
 	"github.com/femnad/fup/precheck/unless"
 	"github.com/femnad/fup/precheck/when"
+	marecmd "github.com/femnad/mare/cmd"
 )
 
 func runUpdateCmds(cmds mapset.Set[string]) []error {

provision/snap.go

@@ -8,17 +8,21 @@ import (
 	"github.com/femnad/fup/common"
 	"github.com/femnad/fup/entity"
 	"github.com/femnad/fup/internal"
-	marecmd "github.com/femnad/mare/cmd"
 )
 
 func installSnap(snap entity.Snap) error {
+	err := internal.Run(fmt.Sprintf("snap list %s", snap.Name))
+	if err == nil {
+		return nil
+	}
+
+	internal.Log.Infof("Installing snap %s", snap.Name)
 	cmd := fmt.Sprintf("snap install %s", snap.Name)
 	if snap.Classic {
 		cmd += " --classic"
 	}
-	in := marecmd.Input{Command: cmd}
 
-	_, err := marecmd.RunFormatError(in)
+	err = internal.MaybeRunWithSudo(cmd)
 	if err != nil {
 		internal.Log.Errorf("error installing snap %s: %v", snap.Name, err)
 		return err