Removed unnecessary conversions (#7557)

No need to convert to the same type.

24 files changed, 39 insertions, 46 deletions

diff --git a/integrations/version_test.go b/integrations/version_test.go
index eaba3e0859..e63ae7aee2 100644
--- a/integrations/version_test.go
+++ b/integrations/version_test.go
@@ -23,5 +23,5 @@ func TestVersion(t *testing.T) {
 
 	var version structs.ServerVersion
 	DecodeJSON(t, resp, &version)
-	assert.Equal(t, setting.AppVer, string(version.Version))
+	assert.Equal(t, setting.AppVer, version.Version)
 }
diff --git a/models/action.go b/models/action.go
index a092f564bf..c819c286e2 100644
--- a/models/action.go
+++ b/models/action.go
@@ -500,7 +500,7 @@ func getIssueFromRef(repo *Repository, ref string) (*Issue, error) {
 		return nil, nil
 	}
 
-	issue, err := GetIssueByIndex(refRepo.ID, int64(issueIndex))
+	issue, err := GetIssueByIndex(refRepo.ID, issueIndex)
 	if err != nil {
 		if IsErrIssueNotExist(err) {
 			return nil, nil
@@ -565,7 +565,7 @@ func UpdateIssuesCommit(doer *User, repo *Repository, commits []*PushCommit, bra
 
 			// issue is from another repo
 			if len(m[1]) > 0 && len(m[2]) > 0 {
-				refRepo, err = GetRepositoryFromMatch(string(m[1]), string(m[2]))
+				refRepo, err = GetRepositoryFromMatch(m[1], m[2])
 				if err != nil {
 					continue
 				}
@@ -602,7 +602,7 @@ func UpdateIssuesCommit(doer *User, repo *Repository, commits []*PushCommit, bra
 
 			// issue is from another repo
 			if len(m[1]) > 0 && len(m[2]) > 0 {
-				refRepo, err = GetRepositoryFromMatch(string(m[1]), string(m[2]))
+				refRepo, err = GetRepositoryFromMatch(m[1], m[2])
 				if err != nil {
 					continue
 				}
@@ -631,7 +631,7 @@ func UpdateIssuesCommit(doer *User, repo *Repository, commits []*PushCommit, bra
 
 			// issue is from another repo
 			if len(m[1]) > 0 && len(m[2]) > 0 {
-				refRepo, err = GetRepositoryFromMatch(string(m[1]), string(m[2]))
+				refRepo, err = GetRepositoryFromMatch(m[1], m[2])
 				if err != nil {
 					continue
 				}
diff --git a/models/repo_permission.go b/models/repo_permission.go
index 25239f4dd4..916678d168 100644
--- a/models/repo_permission.go
+++ b/models/repo_permission.go
@@ -113,7 +113,7 @@ func (p *Permission) ColorFormat(s fmt.State) {
 				configBytes, err := unit.Config.ToDB()
 				config = string(configBytes)
 				if err != nil {
-					config = string(err.Error())
+					config = err.Error()
 				}
 			}
 			format += "\nUnits[%d]: ID: %d RepoID: %d Type: %-v Config: %s"
diff --git a/modules/context/panic.go b/modules/context/panic.go
index 8ed91dea65..c251337164 100644
--- a/modules/context/panic.go
+++ b/modules/context/panic.go
@@ -30,7 +30,7 @@ func Recovery() macaron.Handler {
 	return func(ctx *Context) {
 		defer func() {
 			if err := recover(); err != nil {
-				combinedErr := fmt.Errorf("%s\n%s", err, string(log.Stack(2)))
+				combinedErr := fmt.Errorf("%s\n%s", err, log.Stack(2))
 				ctx.ServerError("PANIC:", combinedErr)
 			}
 		}()
diff --git a/modules/git/commit_info.go b/modules/git/commit_info.go
index 3fa80457ac..d8bf88a47c 100644
--- a/modules/git/commit_info.go
+++ b/modules/git/commit_info.go
@@ -25,7 +25,7 @@ func (tes Entries) GetCommitsInfo(commit *Commit, treePath string, cache LastCom
 		defer commitGraphFile.Close()
 	}
 
-	c, err := commitNodeIndex.Get(plumbing.Hash(commit.ID))
+	c, err := commitNodeIndex.Get(commit.ID)
 	if err != nil {
 		return nil, nil, err
 	}
diff --git a/modules/git/notes.go b/modules/git/notes.go
index a62c558787..aea54ab202 100644
--- a/modules/git/notes.go
+++ b/modules/git/notes.go
@@ -6,8 +6,6 @@ package git
 
 import (
 	"io/ioutil"
-
-	"gopkg.in/src-d/go-git.v4/plumbing"
 )
 
 // NotesRef is the git ref where Gitea will look for git-notes data.
@@ -45,7 +43,7 @@ func GetNote(repo *Repository, commitID string, note *Note) error {
 	}
 	note.Message = d
 
-	commit, err := repo.gogitRepo.CommitObject(plumbing.Hash(notes.ID))
+	commit, err := repo.gogitRepo.CommitObject(notes.ID)
 	if err != nil {
 		return err
 	}
diff --git a/modules/git/parse.go b/modules/git/parse.go
index 22861b1d2c..cbd48b9189 100644
--- a/modules/git/parse.go
+++ b/modules/git/parse.go
@@ -9,7 +9,6 @@ import (
 	"fmt"
 	"strconv"
 
-	"gopkg.in/src-d/go-git.v4/plumbing"
 	"gopkg.in/src-d/go-git.v4/plumbing/filemode"
 	"gopkg.in/src-d/go-git.v4/plumbing/object"
 )
@@ -57,7 +56,7 @@ func parseTreeEntries(data []byte, ptree *Tree) ([]*TreeEntry, error) {
 			return nil, fmt.Errorf("Invalid ls-tree output: %v", err)
 		}
 		entry.ID = id
-		entry.gogitTreeEntry.Hash = plumbing.Hash(id)
+		entry.gogitTreeEntry.Hash = id
 		pos += 41 // skip over sha and trailing space
 
 		end := pos + bytes.IndexByte(data[pos:], '\n')
diff --git a/modules/git/repo_blame.go b/modules/git/repo_blame.go
index 80ec50e472..5c023554f1 100644
--- a/modules/git/repo_blame.go
+++ b/modules/git/repo_blame.go
@@ -20,5 +20,5 @@ func (repo *Repository) LineBlame(revision, path, file string, line uint) (*Comm
 	if len(res) < 40 {
 		return nil, fmt.Errorf("invalid result of blame: %s", res)
 	}
-	return repo.GetCommit(string(res[:40]))
+	return repo.GetCommit(res[:40])
 }
diff --git a/modules/git/repo_blob.go b/modules/git/repo_blob.go
index db63491ce4..45ca604402 100644
--- a/modules/git/repo_blob.go
+++ b/modules/git/repo_blob.go
@@ -9,7 +9,7 @@ import (
 )
 
 func (repo *Repository) getBlob(id SHA1) (*Blob, error) {
-	encodedObj, err := repo.gogitRepo.Storer.EncodedObject(plumbing.AnyObject, plumbing.Hash(id))
+	encodedObj, err := repo.gogitRepo.Storer.EncodedObject(plumbing.AnyObject, id)
 	if err != nil {
 		return nil, ErrNotExist{id.String(), ""}
 	}
diff --git a/modules/git/repo_commit.go b/modules/git/repo_commit.go
index 8429a57039..733991612a 100644
--- a/modules/git/repo_commit.go
+++ b/modules/git/repo_commit.go
@@ -86,9 +86,9 @@ func convertPGPSignatureForTag(t *object.Tag) *CommitGPGSignature {
 func (repo *Repository) getCommit(id SHA1) (*Commit, error) {
 	var tagObject *object.Tag
 
-	gogitCommit, err := repo.gogitRepo.CommitObject(plumbing.Hash(id))
+	gogitCommit, err := repo.gogitRepo.CommitObject(id)
 	if err == plumbing.ErrObjectNotFound {
-		tagObject, err = repo.gogitRepo.TagObject(plumbing.Hash(id))
+		tagObject, err = repo.gogitRepo.TagObject(id)
 		if err == nil {
 			gogitCommit, err = repo.gogitRepo.CommitObject(tagObject.Target)
 		}
diff --git a/modules/git/repo_ref.go b/modules/git/repo_ref.go
index 95a6c2ae69..9044dbeadd 100644
--- a/modules/git/repo_ref.go
+++ b/modules/git/repo_ref.go
@@ -34,13 +34,13 @@ func (repo *Repository) GetRefsFiltered(pattern string) ([]*Reference, error) {
 			refType := string(ObjectCommit)
 			if ref.Name().IsTag() {
 				// tags can be of type `commit` (lightweight) or `tag` (annotated)
-				if tagType, _ := repo.GetTagType(SHA1(ref.Hash())); err == nil {
+				if tagType, _ := repo.GetTagType(ref.Hash()); err == nil {
 					refType = tagType
 				}
 			}
 			r := &Reference{
 				Name:   ref.Name().String(),
-				Object: SHA1(ref.Hash()),
+				Object: ref.Hash(),
 				Type:   refType,
 				repo:   repo,
 			}
diff --git a/modules/git/repo_tree.go b/modules/git/repo_tree.go
index 7d32d3685c..ddc398d0b2 100644
--- a/modules/git/repo_tree.go
+++ b/modules/git/repo_tree.go
@@ -10,12 +10,10 @@ import (
 	"os"
 	"strings"
 	"time"
-
-	"gopkg.in/src-d/go-git.v4/plumbing"
 )
 
 func (repo *Repository) getTree(id SHA1) (*Tree, error) {
-	gogitTree, err := repo.gogitRepo.TreeObject(plumbing.Hash(id))
+	gogitTree, err := repo.gogitRepo.TreeObject(id)
 	if err != nil {
 		return nil, err
 	}
@@ -41,7 +39,7 @@ func (repo *Repository) GetTree(idStr string) (*Tree, error) {
 		return nil, err
 	}
 	resolvedID := id
-	commitObject, err := repo.gogitRepo.CommitObject(plumbing.Hash(id))
+	commitObject, err := repo.gogitRepo.CommitObject(id)
 	if err == nil {
 		id = SHA1(commitObject.TreeHash)
 	}
diff --git a/modules/git/tree.go b/modules/git/tree.go
index 6ca893cb7b..58c4d8cad1 100644
--- a/modules/git/tree.go
+++ b/modules/git/tree.go
@@ -63,7 +63,7 @@ func (t *Tree) SubTree(rpath string) (*Tree, error) {
 }
 
 func (t *Tree) loadTreeObject() error {
-	gogitTree, err := t.repo.gogitRepo.TreeObject(plumbing.Hash(t.ID))
+	gogitTree, err := t.repo.gogitRepo.TreeObject(t.ID)
 	if err != nil {
 		return err
 	}
diff --git a/modules/git/tree_blob.go b/modules/git/tree_blob.go
index eb8ddd0946..cdbe031a2c 100644
--- a/modules/git/tree_blob.go
+++ b/modules/git/tree_blob.go
@@ -9,7 +9,6 @@ import (
 	"path"
 	"strings"
 
-	"gopkg.in/src-d/go-git.v4/plumbing"
 	"gopkg.in/src-d/go-git.v4/plumbing/filemode"
 	"gopkg.in/src-d/go-git.v4/plumbing/object"
 )
@@ -23,7 +22,7 @@ func (t *Tree) GetTreeEntryByPath(relpath string) (*TreeEntry, error) {
 			gogitTreeEntry: &object.TreeEntry{
 				Name: "",
 				Mode: filemode.Dir,
-				Hash: plumbing.Hash(t.ID),
+				Hash: t.ID,
 			},
 		}, nil
 	}
diff --git a/modules/lfs/locks.go b/modules/lfs/locks.go
index 4516ba01ae..d7b2429698 100644
--- a/modules/lfs/locks.go
+++ b/modules/lfs/locks.go
@@ -97,7 +97,7 @@ func GetListLockHandler(ctx *context.Context) {
 			})
 			return
 		}
-		lock, err := models.GetLFSLockByID(int64(v))
+		lock, err := models.GetLFSLockByID(v)
 		handleLockListOut(ctx, repository, lock, err)
 		return
 	}
diff --git a/modules/log/colors.go b/modules/log/colors.go
index c29741634f..282d0c919e 100644
--- a/modules/log/colors.go
+++ b/modules/log/colors.go
@@ -378,9 +378,9 @@ func (cv *ColoredValue) Format(s fmt.State, c rune) {
 			return
 		}
 	}
-	s.Write([]byte(*cv.colorBytes))
+	s.Write(*cv.colorBytes)
 	fmt.Fprintf(&protectedANSIWriter{w: s}, fmtString(s, c), *(cv.Value))
-	s.Write([]byte(*cv.resetBytes))
+	s.Write(*cv.resetBytes)
 }
 
 // SetColorBytes will allow a user to set the colorBytes of a colored value
diff --git a/modules/log/level.go b/modules/log/level.go
index 6131fcb510..4b89385fe2 100644
--- a/modules/log/level.go
+++ b/modules/log/level.go
@@ -101,7 +101,7 @@ func (l *Level) UnmarshalJSON(b []byte) error {
 
 	switch v := tmp.(type) {
 	case string:
-		*l = FromString(string(v))
+		*l = FromString(v)
 	case int:
 		*l = FromString(Level(v).String())
 	default:
diff --git a/modules/log/writer.go b/modules/log/writer.go
index 2503f04d76..6f656c7ce1 100644
--- a/modules/log/writer.go
+++ b/modules/log/writer.go
@@ -203,7 +203,7 @@ func (logger *WriterLogger) createMsg(buf *[]byte, event *Event) {
 	(&protectedANSIWriter{
 		w:    &baw,
 		mode: pawMode,
-	}).Write([]byte(msg))
+	}).Write(msg)
 	*buf = baw
 
 	if event.stacktrace != "" && logger.StacktraceLevel <= event.level {
diff --git a/modules/markup/html.go b/modules/markup/html.go
index 3e976929c7..825a41dd1f 100644
--- a/modules/markup/html.go
+++ b/modules/markup/html.go
@@ -438,7 +438,7 @@ func shortLinkProcessorFull(ctx *postProcessCtx, node *html.Node, noLink bool) {
 
 	name += tail
 	image := false
-	switch ext := filepath.Ext(string(link)); ext {
+	switch ext := filepath.Ext(link); ext {
 	// fast path: empty string, ignore
 	case "":
 		break
@@ -482,7 +482,7 @@ func shortLinkProcessorFull(ctx *postProcessCtx, node *html.Node, noLink bool) {
 			title = props["alt"]
 		}
 		if title == "" {
-			title = path.Base(string(name))
+			title = path.Base(name)
 		}
 		alt := props["alt"]
 		if alt == "" {
diff --git a/modules/markup/html_test.go b/modules/markup/html_test.go
index daf953c9e6..be7fb0efc5 100644
--- a/modules/markup/html_test.go
+++ b/modules/markup/html_test.go
@@ -27,7 +27,7 @@ func TestRender_Commits(t *testing.T) {
 
 	test := func(input, expected string) {
 		buffer := RenderString(".md", input, setting.AppSubURL, localMetas)
-		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
+		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
 	}
 
 	var sha = "b6dd6210eaebc915fd5be5579c58cce4da2e2579"
@@ -51,7 +51,7 @@ func TestRender_CrossReferences(t *testing.T) {
 
 	test := func(input, expected string) {
 		buffer := RenderString("a.md", input, setting.AppSubURL, localMetas)
-		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
+		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
 	}
 
 	test(
@@ -83,7 +83,7 @@ func TestRender_links(t *testing.T) {
 
 	test := func(input, expected string) {
 		buffer := RenderString("a.md", input, setting.AppSubURL, nil)
-		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
+		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
 	}
 	// Text that should be turned into URL
 
@@ -160,7 +160,7 @@ func TestRender_email(t *testing.T) {
 
 	test := func(input, expected string) {
 		buffer := RenderString("a.md", input, setting.AppSubURL, nil)
-		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
+		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
 	}
 	// Text that should be turned into email link
 
@@ -214,9 +214,9 @@ func TestRender_ShortLinks(t *testing.T) {
 
 	test := func(input, expected, expectedWiki string) {
 		buffer := markdown.RenderString(input, tree, nil)
-		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
+		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
 		buffer = markdown.RenderWiki([]byte(input), setting.AppSubURL, localMetas)
-		assert.Equal(t, strings.TrimSpace(expectedWiki), strings.TrimSpace(string(buffer)))
+		assert.Equal(t, strings.TrimSpace(expectedWiki), strings.TrimSpace(buffer))
 	}
 
 	rawtree := util.URLJoin(AppSubURL, "raw", "master")
diff --git a/modules/markup/markdown/markdown_test.go b/modules/markup/markdown/markdown_test.go
index 2128639b9f..92b4f03e34 100644
--- a/modules/markup/markdown/markdown_test.go
+++ b/modules/markup/markdown/markdown_test.go
@@ -31,7 +31,7 @@ func TestRender_StandardLinks(t *testing.T) {
 
 	test := func(input, expected, expectedWiki string) {
 		buffer := RenderString(input, setting.AppSubURL, nil)
-		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
+		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
 		bufferWiki := RenderWiki([]byte(input), setting.AppSubURL, nil)
 		assert.Equal(t, strings.TrimSpace(expectedWiki), strings.TrimSpace(bufferWiki))
 	}
@@ -74,7 +74,7 @@ func TestRender_Images(t *testing.T) {
 
 	test := func(input, expected string) {
 		buffer := RenderString(input, setting.AppSubURL, nil)
-		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
+		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
 	}
 
 	url := "../../.images/src/02/train.jpg"
diff --git a/modules/pull/lfs.go b/modules/pull/lfs.go
index 77890667d6..2706d3a200 100644
--- a/modules/pull/lfs.go
+++ b/modules/pull/lfs.go
@@ -138,7 +138,7 @@ func readCatFileBatchCheck(catFileCheckReader *io.PipeReader, shasToBatchWriter
 		if len(fields) < 3 || fields[1] != "blob" {
 			continue
 		}
-		size, _ := strconv.Atoi(string(fields[2]))
+		size, _ := strconv.Atoi(fields[2])
 		if size > 1024 {
 			continue
 		}
diff --git a/modules/repofiles/update.go b/modules/repofiles/update.go
index f011017a5e..38f2f22c95 100644
--- a/modules/repofiles/update.go
+++ b/modules/repofiles/update.go
@@ -317,7 +317,7 @@ func CreateOrUpdateRepoFile(repo *models.Repository, doer *models.User, opts *Up
 	if encoding != "UTF-8" {
 		charsetEncoding, _ := charset.Lookup(encoding)
 		if charsetEncoding != nil {
-			result, _, err := transform.String(charsetEncoding.NewEncoder(), string(content))
+			result, _, err := transform.String(charsetEncoding.NewEncoder(), content)
 			if err != nil {
 				// Look if we can't encode back in to the original we should just stick with utf-8
 				log.Error("Error re-encoding %s (%s) as %s - will stay as UTF-8: %v", opts.TreePath, opts.FromTreePath, encoding, err)
diff --git a/routers/org/setting.go b/routers/org/setting.go
index b3ff01d238..1d534ec558 100644
--- a/routers/org/setting.go
+++ b/routers/org/setting.go
@@ -14,7 +14,6 @@ import (
 	"code.gitea.io/gitea/modules/context"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/setting"
-	"code.gitea.io/gitea/modules/structs"
 	userSetting "code.gitea.io/gitea/routers/user/setting"
 )
 
@@ -31,7 +30,7 @@ const (
 func Settings(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("org.settings")
 	ctx.Data["PageIsSettingsOptions"] = true
-	ctx.Data["CurrentVisibility"] = structs.VisibleType(ctx.Org.Organization.Visibility)
+	ctx.Data["CurrentVisibility"] = ctx.Org.Organization.Visibility
 	ctx.HTML(200, tplSettingsOptions)
 }
 
@@ -39,7 +38,7 @@ func Settings(ctx *context.Context) {
 func SettingsPost(ctx *context.Context, form auth.UpdateOrgSettingForm) {
 	ctx.Data["Title"] = ctx.Tr("org.settings")
 	ctx.Data["PageIsSettingsOptions"] = true
-	ctx.Data["CurrentVisibility"] = structs.VisibleType(ctx.Org.Organization.Visibility)
+	ctx.Data["CurrentVisibility"] = ctx.Org.Organization.Visibility
 
 	if ctx.HasError() {
 		ctx.HTML(200, tplSettingsOptions)