all: fixes for ineffective assign

internal/revision/parser.go

@@ -254,7 +254,7 @@ func (p *Parser) parseAt() (Revisioner, error) {
 	var lit, nextLit string
 	var err error
 
-	tok, lit, err = p.scan()
+	tok, _, err = p.scan()
 
 	if err != nil {
 		return nil, err

plumbing/object/commit_test.go

@@ -194,6 +194,7 @@ func (s *SuiteCommit) TestStringMultiLine(c *C) {
 
 	f := fixtures.ByURL("https://github.com/src-d/go-git.git").One()
 	sto, err := filesystem.NewStorage(f.DotGit())
+	c.Assert(err, IsNil)
 
 	o, err := sto.EncodedObject(plumbing.CommitObject, hash)
 	c.Assert(err, IsNil)

remote.go

@@ -705,14 +705,15 @@ func isFastForward(s storer.EncodedObjectStorer, old, new plumbing.Hash) (bool,
 
 	found := false
 	iter := object.NewCommitPreorderIter(c, nil, nil)
-	return found, iter.ForEach(func(c *object.Commit) error {
+	err = iter.ForEach(func(c *object.Commit) error {
 		if c.Hash != old {
 			return nil
 		}
 
 		found = true
 		return storer.ErrStop
 	})
+	return found, err
 }
 
 func (r *Remote) newUploadPackRequest(o *FetchOptions,

remote_test.go

@@ -176,6 +176,7 @@ func (s *RemoteSuite) testFetch(c *C, r *Remote, o *FetchOptions, expected []*pl
 
 	var refs int
 	l, err := r.s.IterReferences()
+	c.Assert(err, IsNil)
 	l.ForEach(func(r *plumbing.Reference) error { refs++; return nil })
 
 	c.Assert(refs, Equals, len(expected))
@@ -512,6 +513,7 @@ func (s *RemoteSuite) TestPushNewReference(c *C) {
 	server, err := PlainClone(url, true, &CloneOptions{
 		URL: fs.Root(),
 	})
+	c.Assert(err, IsNil)
 
 	r, err := PlainClone(c.MkDir(), true, &CloneOptions{
 		URL: url,
@@ -544,6 +546,7 @@ func (s *RemoteSuite) TestPushNewReferenceAndDeleteInBatch(c *C) {
 	server, err := PlainClone(url, true, &CloneOptions{
 		URL: fs.Root(),
 	})
+	c.Assert(err, IsNil)
 
 	r, err := PlainClone(c.MkDir(), true, &CloneOptions{
 		URL: url,

repository_test.go

@@ -82,6 +82,7 @@ func (s *RepositorySuite) TestInitStandardDotGit(c *C) {
 	c.Assert(r, NotNil)
 
 	l, err := fs.ReadDir(".git")
+	c.Assert(err, IsNil)
 	c.Assert(len(l) > 0, Equals, true)
 
 	cfg, err := r.Config()
@@ -439,6 +440,7 @@ func (s *RepositorySuite) TestPlainCloneWithRecurseSubmodules(c *C) {
 	c.Assert(err, IsNil)
 
 	cfg, err := r.Config()
+	c.Assert(err, IsNil)
 	c.Assert(cfg.Remotes, HasLen, 1)
 	c.Assert(cfg.Submodules, HasLen, 2)
 }

storage/filesystem/internal/dotgit/dotgit_test.go

@@ -418,6 +418,7 @@ func (s *SuiteDotGit) TestNewObject(c *C) {
 	c.Assert(err, IsNil)
 
 	err = w.WriteHeader(plumbing.BlobObject, 14)
+	c.Assert(err, IsNil)
 	n, err := w.Write([]byte("this is a test"))
 	c.Assert(err, IsNil)
 	c.Assert(n, Equals, 14)

storage/filesystem/internal/dotgit/writers_test.go

@@ -85,6 +85,7 @@ func (s *SuiteDotGit) TestNewObjectPackUnused(c *C) {
 
 	// check clean up of temporary files
 	info, err = fs.ReadDir("")
+	c.Assert(err, IsNil)
 	for _, fi := range info {
 		c.Assert(fi.IsDir(), Equals, true)
 	}

worktree_test.go

@@ -60,10 +60,12 @@ func (s *WorktreeSuite) TestPullFastForward(c *C) {
 	server, err := PlainClone(url, false, &CloneOptions{
 		URL: path,
 	})
+	c.Assert(err, IsNil)
 
 	r, err := PlainClone(c.MkDir(), false, &CloneOptions{
 		URL: url,
 	})
+	c.Assert(err, IsNil)
 
 	w, err := server.Worktree()
 	c.Assert(err, IsNil)
@@ -90,10 +92,12 @@ func (s *WorktreeSuite) TestPullNonFastForward(c *C) {
 	server, err := PlainClone(url, false, &CloneOptions{
 		URL: path,
 	})
+	c.Assert(err, IsNil)
 
 	r, err := PlainClone(c.MkDir(), false, &CloneOptions{
 		URL: url,
 	})
+	c.Assert(err, IsNil)
 
 	w, err := server.Worktree()
 	c.Assert(err, IsNil)
@@ -212,6 +216,7 @@ func (s *WorktreeSuite) TestPullProgressWithRecursion(c *C) {
 	c.Assert(err, IsNil)
 
 	cfg, err := r.Config()
+	c.Assert(err, IsNil)
 	c.Assert(cfg.Submodules, HasLen, 2)
 }
 
@@ -306,6 +311,7 @@ func (s *WorktreeSuite) TestCheckoutSymlink(c *C) {
 	}
 
 	dir, err := ioutil.TempDir("", "checkout")
+	c.Assert(err, IsNil)
 	defer os.RemoveAll(dir)
 
 	r, err := PlainInit(dir, false)
@@ -344,6 +350,7 @@ func (s *WorktreeSuite) TestFilenameNormalization(c *C) {
 	server, err := PlainClone(url, false, &CloneOptions{
 		URL: path,
 	})
+	c.Assert(err, IsNil)
 
 	filename := "페"
 
@@ -358,6 +365,7 @@ func (s *WorktreeSuite) TestFilenameNormalization(c *C) {
 	r, err := Clone(memory.NewStorage(), memfs.New(), &CloneOptions{
 		URL: url,
 	})
+	c.Assert(err, IsNil)
 
 	w, err = r.Worktree()
 	c.Assert(err, IsNil)
@@ -444,6 +452,7 @@ func (s *WorktreeSuite) TestCheckoutIndexMem(c *C) {
 
 func (s *WorktreeSuite) TestCheckoutIndexOS(c *C) {
 	dir, err := ioutil.TempDir("", "checkout")
+	c.Assert(err, IsNil)
 	defer os.RemoveAll(dir)
 
 	fs := osfs.New(filepath.Join(dir, "worktree"))
@@ -864,6 +873,7 @@ func (s *WorktreeSuite) TestStatusAfterCheckout(c *C) {
 
 func (s *WorktreeSuite) TestStatusModified(c *C) {
 	dir, err := ioutil.TempDir("", "status")
+	c.Assert(err, IsNil)
 	defer os.RemoveAll(dir)
 
 	fs := osfs.New(filepath.Join(dir, "worktree"))
@@ -957,6 +967,7 @@ func (s *WorktreeSuite) TestStatusUntracked(c *C) {
 
 func (s *WorktreeSuite) TestStatusDeleted(c *C) {
 	dir, err := ioutil.TempDir("", "status")
+	c.Assert(err, IsNil)
 	defer os.RemoveAll(dir)
 
 	fs := osfs.New(filepath.Join(dir, "worktree"))
@@ -1105,6 +1116,7 @@ func (s *WorktreeSuite) TestAddUnmodified(c *C) {
 
 func (s *WorktreeSuite) TestAddSymlink(c *C) {
 	dir, err := ioutil.TempDir("", "checkout")
+	c.Assert(err, IsNil)
 	defer os.RemoveAll(dir)
 
 	r, err := PlainInit(dir, false)