chore(cleanup): replaces unnecessary calls to formatting functions by non-formatting equivalents (#7994)

This PR replaces unnecessary calls to formatting functions (`fmt.Printf`, `fmt.Errorf`, ...) by non-formatting equivalents.
Resolves #7967

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/7994
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Co-authored-by: chavacava <chavacava@noreply.codeberg.org>
Co-committed-by: chavacava <chavacava@noreply.codeberg.org>

models/asymkey/gpg_key.go

@@ -5,6 +5,7 @@ package asymkey
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"strings"
 	"time"
@@ -209,7 +210,7 @@ func parseGPGKey(ctx context.Context, ownerID int64, e *openpgp.Entity, verified
 // deleteGPGKey does the actual key deletion
 func deleteGPGKey(ctx context.Context, keyID string) (int64, error) {
 	if keyID == "" {
-		return 0, fmt.Errorf("empty KeyId forbidden") // Should never happen but just to be sure
+		return 0, errors.New("empty KeyId forbidden") // Should never happen but just to be sure
 	}
 	// Delete imported key
 	n, err := db.GetEngine(ctx).Where("key_id=?", keyID).Delete(new(GPGKeyImport))

models/asymkey/gpg_key_common.go

@@ -7,6 +7,7 @@ import (
 	"bytes"
 	"crypto"
 	"encoding/base64"
+	"errors"
 	"fmt"
 	"hash"
 	"io"
@@ -75,7 +76,7 @@ func base64DecPubKey(content string) (*packet.PublicKey, error) {
 	// Check type
 	pkey, ok := p.(*packet.PublicKey)
 	if !ok {
-		return nil, fmt.Errorf("key is not a public key")
+		return nil, errors.New("key is not a public key")
 	}
 	return pkey, nil
 }
@@ -122,15 +123,15 @@ func readArmoredSign(r io.Reader) (body io.Reader, err error) {
 func extractSignature(s string) (*packet.Signature, error) {
 	r, err := readArmoredSign(strings.NewReader(s))
 	if err != nil {
-		return nil, fmt.Errorf("Failed to read signature armor")
+		return nil, errors.New("Failed to read signature armor")
 	}
 	p, err := packet.Read(r)
 	if err != nil {
-		return nil, fmt.Errorf("Failed to read signature packet")
+		return nil, errors.New("Failed to read signature packet")
 	}
 	sig, ok := p.(*packet.Signature)
 	if !ok {
-		return nil, fmt.Errorf("Packet is not a signature")
+		return nil, errors.New("Packet is not a signature")
 	}
 	return sig, nil
 }

models/asymkey/gpg_key_object_verification.go

@@ -6,6 +6,7 @@ package asymkey
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"hash"
 	"strings"
@@ -316,7 +317,7 @@ func verifyWithGPGSettings(ctx context.Context, gpgSettings *git.GPGSettings, si
 func verifySign(s *packet.Signature, h hash.Hash, k *GPGKey) error {
 	// Check if key can sign
 	if !k.CanSign {
-		return fmt.Errorf("key can not sign")
+		return errors.New("key can not sign")
 	}
 	// Decode key
 	pkey, err := base64DecPubKey(k.Content)

models/asymkey/ssh_key_parse.go

@@ -10,6 +10,7 @@ import (
 	"encoding/base64"
 	"encoding/binary"
 	"encoding/pem"
+	"errors"
 	"fmt"
 	"math/big"
 	"os"
@@ -93,7 +94,7 @@ func parseKeyString(content string) (string, error) {
 
 			block, _ := pem.Decode([]byte(content))
 			if block == nil {
-				return "", fmt.Errorf("failed to parse PEM block containing the public key")
+				return "", errors.New("failed to parse PEM block containing the public key")
 			}
 			if strings.Contains(block.Type, "PRIVATE") {
 				return "", ErrKeyIsPrivate