Merge a few variable declaration and initializations

cmd/restic/cmd_snapshots.go

@@ -251,9 +251,8 @@ func PrintSnapshots(stdout io.Writer, list restic.Snapshots, reasons []restic.Ke
 // Prints nothing, if we did not group at all.
 func PrintSnapshotGroupHeader(stdout io.Writer, groupKeyJSON string) error {
 	var key restic.SnapshotGroupKey
-	var err error
 
-	err = json.Unmarshal([]byte(groupKeyJSON), &key)
+	err := json.Unmarshal([]byte(groupKeyJSON), &key)
 	if err != nil {
 		return err
 	}

internal/fuse/dir.go

@@ -125,8 +125,7 @@ func (d *dir) Attr(ctx context.Context, a *fuse.Attr) error {
 func (d *dir) calcNumberOfLinks() uint32 {
 	// a directory d has 2 hardlinks + the number
 	// of directories contained by d
-	var count uint32
-	count = 2
+	count := uint32(2)
 	for _, node := range d.items {
 		if node.Type == "dir" {
 			count++

internal/restic/hardlinks_index_test.go

@@ -15,15 +15,13 @@ func TestHardLinks(t *testing.T) {
 	idx.Add(1, 2, "inode1-file1-on-device2")
 	idx.Add(2, 3, "inode2-file2-on-device3")
 
-	var sresult string
-	sresult = idx.GetFilename(1, 2)
+	sresult := idx.GetFilename(1, 2)
 	rtest.Equals(t, sresult, "inode1-file1-on-device2")
 
 	sresult = idx.GetFilename(2, 3)
 	rtest.Equals(t, sresult, "inode2-file2-on-device3")
 
-	var bresult bool
-	bresult = idx.Has(1, 2)
+	bresult := idx.Has(1, 2)
 	rtest.Equals(t, bresult, true)
 
 	bresult = idx.Has(1, 3)

internal/restic/snapshot_group.go

@@ -25,9 +25,7 @@ func GroupSnapshots(snapshots Snapshots, options string) (map[string]Snapshots,
 	var GroupByTag bool
 	var GroupByHost bool
 	var GroupByPath bool
-	var GroupOptionList []string
-
-	GroupOptionList = strings.Split(options, ",")
+	GroupOptionList := strings.Split(options, ",")
 
 	for _, option := range GroupOptionList {
 		switch option {