get rid of fmt.Print* usages

cmd/restic/cmd_features.go

@@ -1,8 +1,6 @@
 package main
 
 import (
-	"fmt"
-
 	"github.com/restic/restic/internal/errors"
 	"github.com/restic/restic/internal/feature"
 	"github.com/restic/restic/internal/ui/table"
@@ -39,7 +37,7 @@ Exit status is 1 if there was any error.
 				return errors.Fatal("the feature command expects no arguments")
 			}
 
-			fmt.Printf("All Feature Flags:\n")
+			globalOptions.term.Print("All Feature Flags:\n")
 			flags := feature.Flag.List()
 
 			tab := table.New()

cmd/restic/cmd_options.go

@@ -24,7 +24,7 @@ Exit status is 1 if there was any error.
 		GroupID:           cmdGroupAdvanced,
 		DisableAutoGenTag: true,
 		Run: func(_ *cobra.Command, _ []string) {
-			fmt.Printf("All Extended Options:\n")
+			globalOptions.term.Print("All Extended Options:")
 			var maxLen int
 			for _, opt := range options.List() {
 				if l := len(opt.Namespace + "." + opt.Name); l > maxLen {
@@ -32,7 +32,7 @@ Exit status is 1 if there was any error.
 				}
 			}
 			for _, opt := range options.List() {
-				fmt.Printf("  %*s  %s\n", -maxLen, opt.Namespace+"."+opt.Name, opt.Text)
+				globalOptions.term.Print(fmt.Sprintf("  %*s  %s", -maxLen, opt.Namespace+"."+opt.Name, opt.Text))
 			}
 		},
 	}

cmd/restic/cmd_snapshots.go

@@ -299,9 +299,7 @@ func PrintSnapshotGroupHeader(stdout io.Writer, groupKeyJSON string) error {
 	}
 
 	// Info
-	if _, err := fmt.Fprintf(stdout, "snapshots"); err != nil {
-		return err
-	}
+	header := "snapshots"
 	var infoStrings []string
 	if key.Hostname != "" {
 		infoStrings = append(infoStrings, "host ["+key.Hostname+"]")
@@ -313,12 +311,10 @@ func PrintSnapshotGroupHeader(stdout io.Writer, groupKeyJSON string) error {
 		infoStrings = append(infoStrings, "paths ["+strings.Join(key.Paths, ", ")+"]")
 	}
 	if infoStrings != nil {
-		if _, err := fmt.Fprintf(stdout, " for (%s)", strings.Join(infoStrings, ", ")); err != nil {
-			return err
-		}
+		header += " for (" + strings.Join(infoStrings, ", ") + ")"
 	}
-	_, err = fmt.Fprintf(stdout, ":\n")
-
+	header += ":\n"
+	_, err = stdout.Write([]byte(header))
 	return err
 }
 

internal/filter/filter_test.go

@@ -389,7 +389,7 @@ func TestFilterPatternsFile(t *testing.T) {
 
 			if match {
 				c++
-				// fmt.Printf("pattern %q, line %q\n", test.pattern, line)
+				// t.Logf("pattern %q, line %q\n", test.pattern, line)
 			}
 		}
 

internal/restic/node_test.go

@@ -2,7 +2,6 @@ package restic
 
 import (
 	"encoding/json"
-	"fmt"
 	"testing"
 	"time"
 
@@ -73,7 +72,7 @@ func TestSymlinkSerialization(t *testing.T) {
 		var n2 Node
 		err = json.Unmarshal(ser, &n2)
 		test.OK(t, err)
-		fmt.Println(string(ser))
+		t.Logf("serialized %q\n", string(ser))
 
 		test.Equals(t, n.LinkTarget, n2.LinkTarget)
 	}

internal/selfupdate/verify.go

@@ -174,8 +174,7 @@ CwGc
 func GPGVerify(data, sig []byte) (ok bool, err error) {
 	keyring, err := openpgp.ReadArmoredKeyRing(bytes.NewReader(key))
 	if err != nil {
-		fmt.Printf("reading keyring failed")
-		return false, err
+		return false, fmt.Errorf("reading keyring failed: %w", err)
 	}
 
 	_, err = openpgp.CheckArmoredDetachedSignature(keyring, bytes.NewReader(data), bytes.NewReader(sig))

internal/walker/rewriter_test.go

@@ -2,7 +2,6 @@ package walker
 
 import (
 	"context"
-	"fmt"
 	"testing"
 
 	"github.com/pkg/errors"
@@ -32,9 +31,9 @@ func (t WritableTreeMap) SaveBlob(_ context.Context, tpe restic.BlobType, buf []
 	return id, true, len(buf), nil
 }
 
-func (t WritableTreeMap) Dump() {
+func (t WritableTreeMap) Dump(test testing.TB) {
 	for k, v := range t.TreeMap {
-		fmt.Printf("%v: %v", k, string(v))
+		test.Logf("%v: %v", k, string(v))
 	}
 }
 
@@ -294,10 +293,10 @@ func TestRewriter(t *testing.T) {
 			// verifying against the expected tree root also implicitly checks the structural integrity
 			if newRoot != expRoot {
 				t.Error("hash mismatch")
-				fmt.Println("Got")
-				modrepo.Dump()
-				fmt.Println("Expected")
-				WritableTreeMap{expRepo}.Dump()
+				t.Log("Got")
+				modrepo.Dump(t)
+				t.Log("Expected")
+				WritableTreeMap{expRepo}.Dump(t)
 			}
 		})
 	}
@@ -348,10 +347,10 @@ func TestSnapshotSizeQuery(t *testing.T) {
 		// verifying against the expected tree root also implicitly checks the structural integrity
 		if newRoot != expRoot {
 			t.Error("hash mismatch")
-			fmt.Println("Got")
-			modrepo.Dump()
-			fmt.Println("Expected")
-			WritableTreeMap{expRepo}.Dump()
+			t.Log("Got")
+			modrepo.Dump(t)
+			t.Log("Expected")
+			WritableTreeMap{expRepo}.Dump(t)
 		}
 	})