fix goreportcard warnings

29 files changed, 48 insertions, 40 deletions

diff --git a/plumbing/format/commitgraph/commitgraph_test.go b/plumbing/format/commitgraph/commitgraph_test.go
index 7d7444b..de61ae9 100644
--- a/plumbing/format/commitgraph/commitgraph_test.go
+++ b/plumbing/format/commitgraph/commitgraph_test.go
@@ -6,10 +6,11 @@ import (
 	"path"

 	"testing"

 

-	. "gopkg.in/check.v1"

-	fixtures "github.com/go-git/go-git-fixtures/v4"

 	"github.com/go-git/go-git/v5/plumbing"

 	"github.com/go-git/go-git/v5/plumbing/format/commitgraph"

+

+	fixtures "github.com/go-git/go-git-fixtures/v4"

+	. "gopkg.in/check.v1"

 )

 

 func Test(t *testing.T) { TestingT(t) }

diff --git a/plumbing/format/idxfile/encoder_test.go b/plumbing/format/idxfile/encoder_test.go
index 81abb3b..32b60f9 100644
--- a/plumbing/format/idxfile/encoder_test.go
+++ b/plumbing/format/idxfile/encoder_test.go
@@ -6,8 +6,8 @@ import (
 
 	. "github.com/go-git/go-git/v5/plumbing/format/idxfile"
 
+	fixtures "github.com/go-git/go-git-fixtures/v4"
 	. "gopkg.in/check.v1"
-	"github.com/go-git/go-git-fixtures/v4"
 )
 
 func (s *IdxfileSuite) TestDecodeEncode(c *C) {
diff --git a/plumbing/format/idxfile/idxfile_test.go b/plumbing/format/idxfile/idxfile_test.go
index 5ef73d7..7a3d6bb 100644
--- a/plumbing/format/idxfile/idxfile_test.go
+++ b/plumbing/format/idxfile/idxfile_test.go
@@ -10,8 +10,8 @@ import (
 	"github.com/go-git/go-git/v5/plumbing"
 	"github.com/go-git/go-git/v5/plumbing/format/idxfile"
 
+	fixtures "github.com/go-git/go-git-fixtures/v4"
 	. "gopkg.in/check.v1"
-	"github.com/go-git/go-git-fixtures/v4"
 )
 
 func BenchmarkFindOffset(b *testing.B) {
diff --git a/plumbing/format/idxfile/writer_test.go b/plumbing/format/idxfile/writer_test.go
index f86342f..fba3e42 100644
--- a/plumbing/format/idxfile/writer_test.go
+++ b/plumbing/format/idxfile/writer_test.go
@@ -9,8 +9,8 @@ import (
 	"github.com/go-git/go-git/v5/plumbing/format/idxfile"
 	"github.com/go-git/go-git/v5/plumbing/format/packfile"
 
+	fixtures "github.com/go-git/go-git-fixtures/v4"
 	. "gopkg.in/check.v1"
-	"github.com/go-git/go-git-fixtures/v4"
 )
 
 type WriterSuite struct {
diff --git a/plumbing/format/index/decoder.go b/plumbing/format/index/decoder.go
index 79d0b9e..d341d59 100644
--- a/plumbing/format/index/decoder.go
+++ b/plumbing/format/index/decoder.go
@@ -390,7 +390,9 @@ func (d *treeExtensionDecoder) readEntry() (*TreeEntry, error) {
 
 	e.Trees = i
 	_, err = io.ReadFull(d.r, e.Hash[:])
-
+	if err != nil {
+		return nil, err
+	}
 	return e, nil
 }
 
diff --git a/plumbing/format/index/encoder_test.go b/plumbing/format/index/encoder_test.go
index 17585a0..b7a73cb 100644
--- a/plumbing/format/index/encoder_test.go
+++ b/plumbing/format/index/encoder_test.go
@@ -5,9 +5,10 @@ import (
 	"strings"
 	"time"
 
+	"github.com/go-git/go-git/v5/plumbing"
+
 	"github.com/google/go-cmp/cmp"
 	. "gopkg.in/check.v1"
-	"github.com/go-git/go-git/v5/plumbing"
 )
 
 func (s *IndexSuite) TestEncode(c *C) {
diff --git a/plumbing/format/objfile/common_test.go b/plumbing/format/objfile/common_test.go
index ec8c280..de76902 100644
--- a/plumbing/format/objfile/common_test.go
+++ b/plumbing/format/objfile/common_test.go
@@ -4,8 +4,9 @@ import (
 	"encoding/base64"
 	"testing"
 
-	. "gopkg.in/check.v1"
 	"github.com/go-git/go-git/v5/plumbing"
+
+	. "gopkg.in/check.v1"
 )
 
 type objfileFixture struct {
diff --git a/plumbing/format/objfile/writer_test.go b/plumbing/format/objfile/writer_test.go
index 73ee662..35a9510 100644
--- a/plumbing/format/objfile/writer_test.go
+++ b/plumbing/format/objfile/writer_test.go
@@ -6,8 +6,9 @@ import (
 	"fmt"
 	"io"
 
-	. "gopkg.in/check.v1"
 	"github.com/go-git/go-git/v5/plumbing"
+
+	. "gopkg.in/check.v1"
 )
 
 type SuiteWriter struct{}
diff --git a/plumbing/format/packfile/encoder_advanced_test.go b/plumbing/format/packfile/encoder_advanced_test.go
index 21bf3ae..95db5c0 100644
--- a/plumbing/format/packfile/encoder_advanced_test.go
+++ b/plumbing/format/packfile/encoder_advanced_test.go
@@ -6,7 +6,6 @@ import (
 	"math/rand"
 	"testing"
 
-	"github.com/go-git/go-billy/v5/memfs"
 	"github.com/go-git/go-git/v5/plumbing"
 	"github.com/go-git/go-git/v5/plumbing/cache"
 	"github.com/go-git/go-git/v5/plumbing/format/idxfile"
@@ -14,8 +13,9 @@ import (
 	"github.com/go-git/go-git/v5/plumbing/storer"
 	"github.com/go-git/go-git/v5/storage/filesystem"
 
+	"github.com/go-git/go-billy/v5/memfs"
+	fixtures "github.com/go-git/go-git-fixtures/v4"
 	. "gopkg.in/check.v1"
-	"github.com/go-git/go-git-fixtures/v4"
 )
 
 type EncoderAdvancedSuite struct {
diff --git a/plumbing/format/packfile/encoder_test.go b/plumbing/format/packfile/encoder_test.go
index 2689762..d2db892 100644
--- a/plumbing/format/packfile/encoder_test.go
+++ b/plumbing/format/packfile/encoder_test.go
@@ -5,13 +5,13 @@ import (
 	"io"
 	stdioutil "io/ioutil"
 
-	"github.com/go-git/go-billy/v5/memfs"
 	"github.com/go-git/go-git/v5/plumbing"
 	"github.com/go-git/go-git/v5/plumbing/format/idxfile"
 	"github.com/go-git/go-git/v5/storage/memory"
 
+	"github.com/go-git/go-billy/v5/memfs"
+	fixtures "github.com/go-git/go-git-fixtures/v4"
 	. "gopkg.in/check.v1"
-	"github.com/go-git/go-git-fixtures/v4"
 )
 
 type EncoderSuite struct {
diff --git a/plumbing/format/packfile/patch_delta.go b/plumbing/format/packfile/patch_delta.go
index 1dc8b8b..9e90f30 100644
--- a/plumbing/format/packfile/patch_delta.go
+++ b/plumbing/format/packfile/patch_delta.go
@@ -49,7 +49,6 @@ func ApplyDelta(target, base plumbing.EncodedObject, delta []byte) (err error) {
 		return err
 	}
 
-
 	target.SetSize(int64(dst.Len()))
 
 	b := byteSlicePool.Get().([]byte)
@@ -113,7 +112,7 @@ func patchDelta(dst *bytes.Buffer, src, delta []byte) error {
 				invalidOffsetSize(offset, sz, srcSz) {
 				break
 			}
-			dst.Write(src[offset:offset+sz])
+			dst.Write(src[offset : offset+sz])
 			remainingTargetSz -= sz
 		} else if isCopyFromDelta(cmd) {
 			sz := uint(cmd) // cmd is the size itself
diff --git a/plumbing/object/commit_stats_test.go b/plumbing/object/commit_stats_test.go
index bce2953..4078ce8 100644
--- a/plumbing/object/commit_stats_test.go
+++ b/plumbing/object/commit_stats_test.go
@@ -11,8 +11,9 @@ import (
 
 	"github.com/go-git/go-billy/v5/memfs"
 	"github.com/go-git/go-billy/v5/util"
+
+	fixtures "github.com/go-git/go-git-fixtures/v4"
 	. "gopkg.in/check.v1"
-	"github.com/go-git/go-git-fixtures/v4"
 )
 
 type CommitStatsSuite struct {
diff --git a/plumbing/object/commit_walker_bfs_filtered.go b/plumbing/object/commit_walker_bfs_filtered.go
index e87c3db..9d51813 100644
--- a/plumbing/object/commit_walker_bfs_filtered.go
+++ b/plumbing/object/commit_walker_bfs_filtered.go
@@ -173,4 +173,3 @@ func (w *filterCommitIter) addToQueue(
 
 	return nil
 }
-
diff --git a/plumbing/object/commit_walker_path.go b/plumbing/object/commit_walker_path.go
index af6f745..aa0ca15 100644
--- a/plumbing/object/commit_walker_path.go
+++ b/plumbing/object/commit_walker_path.go
@@ -4,7 +4,6 @@ import (
 	"io"
 
 	"github.com/go-git/go-git/v5/plumbing"
-
 	"github.com/go-git/go-git/v5/plumbing/storer"
 )
 
@@ -29,7 +28,7 @@ func NewCommitPathIterFromIter(pathFilter func(string) bool, commitIter CommitIt
 	return iterator
 }
 
-// this function is kept for compatibilty, can be replaced with NewCommitPathIterFromIter
+// NewCommitFileIterFromIter is kept for compatibility, can be replaced with NewCommitPathIterFromIter
 func NewCommitFileIterFromIter(fileName string, commitIter CommitIter, checkParent bool) CommitIter {
 	return NewCommitPathIterFromIter(
 		func(path string) bool {
diff --git a/plumbing/object/commitgraph/commitnode_test.go b/plumbing/object/commitgraph/commitnode_test.go
index 38d3bce..6c9a643 100644
--- a/plumbing/object/commitgraph/commitnode_test.go
+++ b/plumbing/object/commitgraph/commitnode_test.go
@@ -4,13 +4,14 @@ import (
 	"path"

 	"testing"

 

-	. "gopkg.in/check.v1"

-	fixtures "github.com/go-git/go-git-fixtures/v4"

 	"github.com/go-git/go-git/v5/plumbing"

 	"github.com/go-git/go-git/v5/plumbing/cache"

 	"github.com/go-git/go-git/v5/plumbing/format/commitgraph"

 	"github.com/go-git/go-git/v5/plumbing/format/packfile"

 	"github.com/go-git/go-git/v5/storage/filesystem"

+

+	fixtures "github.com/go-git/go-git-fixtures/v4"

+	. "gopkg.in/check.v1"

 )

 

 func Test(t *testing.T) { TestingT(t) }

diff --git a/plumbing/object/commitgraph/commitnode_walker_ctime.go b/plumbing/object/commitgraph/commitnode_walker_ctime.go
index f2ed663..281f10b 100644
--- a/plumbing/object/commitgraph/commitnode_walker_ctime.go
+++ b/plumbing/object/commitgraph/commitnode_walker_ctime.go
@@ -3,10 +3,10 @@ package commitgraph
 import (

 	"io"

 

-	"github.com/emirpasic/gods/trees/binaryheap"

-

 	"github.com/go-git/go-git/v5/plumbing"

 	"github.com/go-git/go-git/v5/plumbing/storer"

+

+	"github.com/emirpasic/gods/trees/binaryheap"

 )

 

 type commitNodeIteratorByCTime struct {

diff --git a/plumbing/object/patch_test.go b/plumbing/object/patch_test.go
index d4b6cd6..2cff795 100644
--- a/plumbing/object/patch_test.go
+++ b/plumbing/object/patch_test.go
@@ -1,11 +1,12 @@
 package object
 
 import (
-	. "gopkg.in/check.v1"
-	fixtures "github.com/go-git/go-git-fixtures/v4"
 	"github.com/go-git/go-git/v5/plumbing"
 	"github.com/go-git/go-git/v5/plumbing/cache"
 	"github.com/go-git/go-git/v5/storage/filesystem"
+
+	fixtures "github.com/go-git/go-git-fixtures/v4"
+	. "gopkg.in/check.v1"
 )
 
 type PatchSuite struct {
diff --git a/plumbing/object/rename.go b/plumbing/object/rename.go
index 35af1d6..7fed72c 100644
--- a/plumbing/object/rename.go
+++ b/plumbing/object/rename.go
@@ -536,7 +536,7 @@ var errIndexFull = errors.New("index is full")
 // between two files.
 // To save space in memory, this index uses a space efficient encoding which
 // will not exceed 1MiB per instance. The index starts out at a smaller size
-// (closer to 2KiB), but may grow as more distinct blocks withing the scanned
+// (closer to 2KiB), but may grow as more distinct blocks within the scanned
 // file are discovered.
 // see: https://github.com/eclipse/jgit/blob/master/org.eclipse.jgit/src/org/eclipse/jgit/diff/SimilarityIndex.java
 type similarityIndex struct {
@@ -709,7 +709,7 @@ func (i *similarityIndex) common(dst *similarityIndex) uint64 {
 }
 
 func (i *similarityIndex) add(key int, cnt uint64) error {
-	key = int(uint32(key)*0x9e370001 >> 1)
+	key = int(uint32(key) * 0x9e370001 >> 1)
 
 	j := i.slot(key)
 	for {
@@ -769,7 +769,7 @@ func (i *similarityIndex) slot(key int) int {
 	// We use 31 - hashBits because the upper bit was already forced
 	// to be 0 and we want the remaining high bits to be used as the
 	// table slot.
-	return int(uint32(key) >> uint(31 - i.hashBits))
+	return int(uint32(key) >> uint(31-i.hashBits))
 }
 
 func shouldGrowAt(hashBits int) int {
diff --git a/plumbing/protocol/packp/uppackresp_test.go b/plumbing/protocol/packp/uppackresp_test.go
index 8950fa9..260dc57 100644
--- a/plumbing/protocol/packp/uppackresp_test.go
+++ b/plumbing/protocol/packp/uppackresp_test.go
@@ -4,10 +4,10 @@ import (
 	"bytes"
 	"io/ioutil"
 
+	"github.com/go-git/go-git/v5/plumbing"
 	"github.com/go-git/go-git/v5/plumbing/protocol/packp/capability"
 
 	. "gopkg.in/check.v1"
-	"github.com/go-git/go-git/v5/plumbing"
 )
 
 type UploadPackResponseSuite struct{}
diff --git a/plumbing/storer/object_test.go b/plumbing/storer/object_test.go
index 8dc3623..30424ff 100644
--- a/plumbing/storer/object_test.go
+++ b/plumbing/storer/object_test.go
@@ -4,8 +4,9 @@ import (
 	"fmt"
 	"testing"
 
-	. "gopkg.in/check.v1"
 	"github.com/go-git/go-git/v5/plumbing"
+
+	. "gopkg.in/check.v1"
 )
 
 func Test(t *testing.T) { TestingT(t) }
diff --git a/plumbing/storer/reference_test.go b/plumbing/storer/reference_test.go
index 0660043..7a4d8b4 100644
--- a/plumbing/storer/reference_test.go
+++ b/plumbing/storer/reference_test.go
@@ -4,8 +4,9 @@ import (
 	"errors"
 	"io"
 
-	. "gopkg.in/check.v1"
 	"github.com/go-git/go-git/v5/plumbing"
+
+	. "gopkg.in/check.v1"
 )
 
 type ReferenceSuite struct{}
diff --git a/plumbing/transport/git/common_test.go b/plumbing/transport/git/common_test.go
index 551b50d..3391aaf 100644
--- a/plumbing/transport/git/common_test.go
+++ b/plumbing/transport/git/common_test.go
@@ -13,8 +13,8 @@ import (
 
 	"github.com/go-git/go-git/v5/plumbing/transport"
 
+	fixtures "github.com/go-git/go-git-fixtures/v4"
 	. "gopkg.in/check.v1"
-	"github.com/go-git/go-git-fixtures/v4"
 )
 
 func Test(t *testing.T) { TestingT(t) }
diff --git a/plumbing/transport/git/receive_pack_test.go b/plumbing/transport/git/receive_pack_test.go
index 1f730a4..b661d71 100644
--- a/plumbing/transport/git/receive_pack_test.go
+++ b/plumbing/transport/git/receive_pack_test.go
@@ -3,8 +3,8 @@ package git
 import (
 	"github.com/go-git/go-git/v5/plumbing/transport/test"
 
+	fixtures "github.com/go-git/go-git-fixtures/v4"
 	. "gopkg.in/check.v1"
-	"github.com/go-git/go-git-fixtures/v4"
 )
 
 type ReceivePackSuite struct {
diff --git a/plumbing/transport/http/common_test.go b/plumbing/transport/http/common_test.go
index 5811139..4122e62 100644
--- a/plumbing/transport/http/common_test.go
+++ b/plumbing/transport/http/common_test.go
@@ -17,8 +17,8 @@ import (
 
 	"github.com/go-git/go-git/v5/plumbing/transport"
 
+	fixtures "github.com/go-git/go-git-fixtures/v4"
 	. "gopkg.in/check.v1"
-	"github.com/go-git/go-git-fixtures/v4"
 )
 
 func Test(t *testing.T) { TestingT(t) }
diff --git a/plumbing/transport/http/receive_pack_test.go b/plumbing/transport/http/receive_pack_test.go
index b977908..7e70986 100644
--- a/plumbing/transport/http/receive_pack_test.go
+++ b/plumbing/transport/http/receive_pack_test.go
@@ -3,8 +3,8 @@ package http
 import (
 	"github.com/go-git/go-git/v5/plumbing/transport/test"
 
+	fixtures "github.com/go-git/go-git-fixtures/v4"
 	. "gopkg.in/check.v1"
-	"github.com/go-git/go-git-fixtures/v4"
 )
 
 type ReceivePackSuite struct {
diff --git a/plumbing/transport/http/upload_pack_test.go b/plumbing/transport/http/upload_pack_test.go
index b34441d..6fae443 100644
--- a/plumbing/transport/http/upload_pack_test.go
+++ b/plumbing/transport/http/upload_pack_test.go
@@ -11,8 +11,8 @@ import (
 	"github.com/go-git/go-git/v5/plumbing/transport"
 	"github.com/go-git/go-git/v5/plumbing/transport/test"
 
+	fixtures "github.com/go-git/go-git-fixtures/v4"
 	. "gopkg.in/check.v1"
-	"github.com/go-git/go-git-fixtures/v4"
 )
 
 type UploadPackSuite struct {
diff --git a/plumbing/transport/server/receive_pack_test.go b/plumbing/transport/server/receive_pack_test.go
index 2c5b0ae..ceb4cc3 100644
--- a/plumbing/transport/server/receive_pack_test.go
+++ b/plumbing/transport/server/receive_pack_test.go
@@ -60,4 +60,5 @@ func (s *ReceivePackSuite) TestReceivePackWithNilPackfile(c *C) {
 
 	report, err := r.ReceivePack(context.Background(), req)
 	c.Assert(report, IsNil, comment)
+	c.Assert(err, IsNil, comment)
 }
diff --git a/plumbing/transport/ssh/common_test.go b/plumbing/transport/ssh/common_test.go
index 22a8243..87c1148 100644
--- a/plumbing/transport/ssh/common_test.go
+++ b/plumbing/transport/ssh/common_test.go
@@ -3,12 +3,11 @@ package ssh
 import (
 	"testing"
 
-	"github.com/kevinburke/ssh_config"
+	"github.com/go-git/go-git/v5/plumbing/transport"
 
+	"github.com/kevinburke/ssh_config"
 	"golang.org/x/crypto/ssh"
-
 	. "gopkg.in/check.v1"
-	"github.com/go-git/go-git/v5/plumbing/transport"
 )
 
 func Test(t *testing.T) { TestingT(t) }
diff --git a/plumbing/transport/test/upload_pack.go b/plumbing/transport/test/upload_pack.go
index ee7b067..3ee029d 100644
--- a/plumbing/transport/test/upload_pack.go
+++ b/plumbing/transport/test/upload_pack.go
@@ -13,11 +13,11 @@ import (
 	"github.com/go-git/go-git/v5/plumbing"
 	"github.com/go-git/go-git/v5/plumbing/format/packfile"
 	"github.com/go-git/go-git/v5/plumbing/protocol/packp"
+	"github.com/go-git/go-git/v5/plumbing/protocol/packp/capability"
 	"github.com/go-git/go-git/v5/plumbing/transport"
 	"github.com/go-git/go-git/v5/storage/memory"
 
 	. "gopkg.in/check.v1"
-	"github.com/go-git/go-git/v5/plumbing/protocol/packp/capability"
 )
 
 type UploadPackSuite struct {