Fix various documentation, user-facing, and source comment typos (#16367)

* Fix various doc, user-facing, and source comment typos

Found via `codespell -q 3 -S ./options/locale,./vendor -L ba,pullrequest,pullrequests,readby`

modules/git/blame.go

@@ -34,7 +34,7 @@ type BlameReader struct {
 
 var shaLineRegex = regexp.MustCompile("^([a-z0-9]{40})")
 
-// NextPart returns next part of blame (sequencial code lines with the same commit)
+// NextPart returns next part of blame (sequential code lines with the same commit)
 func (r *BlameReader) NextPart() (*BlamePart, error) {
 	var blamePart *BlamePart
 

modules/git/repo_commit.go

@@ -110,7 +110,7 @@ func (repo *Repository) searchCommits(id SHA1, opts SearchCommitsOptions) (*list
 		}
 	}
 
-	// add commiters if present in search query
+	// add committers if present in search query
 	if len(opts.Committers) > 0 {
 		for _, v := range opts.Committers {
 			args = append(args, "--committer="+v)
@@ -150,7 +150,7 @@ func (repo *Repository) searchCommits(id SHA1, opts SearchCommitsOptions) (*list
 		stdout = append(stdout, '\n')
 	}
 
-	// if there are any keywords (ie not commiter:, author:, time:)
+	// if there are any keywords (ie not committer:, author:, time:)
 	// then let's iterate over them
 	if len(opts.Keywords) > 0 {
 		for _, v := range opts.Keywords {
@@ -195,12 +195,12 @@ func (repo *Repository) FileChangedBetweenCommits(filename, id1, id2 string) (bo
 	return len(strings.TrimSpace(string(stdout))) > 0, nil
 }
 
-// FileCommitsCount return the number of files at a revison
+// FileCommitsCount return the number of files at a revision
 func (repo *Repository) FileCommitsCount(revision, file string) (int64, error) {
 	return CommitsCountFiles(repo.Path, []string{revision}, []string{file})
 }
 
-// CommitsByFileAndRange return the commits according revison file and the page
+// CommitsByFileAndRange return the commits according revision file and the page
 func (repo *Repository) CommitsByFileAndRange(revision, file string, page int) (*list.List, error) {
 	skip := (page - 1) * setting.Git.CommitsRangeSize
 
@@ -240,7 +240,7 @@ func (repo *Repository) CommitsByFileAndRange(revision, file string, page int) (
 	return repo.parsePrettyFormatLogToList(stdout)
 }
 
-// CommitsByFileAndRangeNoFollow return the commits according revison file and the page
+// CommitsByFileAndRangeNoFollow return the commits according revision file and the page
 func (repo *Repository) CommitsByFileAndRangeNoFollow(revision, file string, page int) (*list.List, error) {
 	stdout, err := NewCommand("log", revision, "--skip="+strconv.Itoa((page-1)*50),
 		"--max-count="+strconv.Itoa(setting.Git.CommitsRangeSize), prettyLogFormat, "--", file).RunInDirBytes(repo.Path)

modules/git/repo_stats.go

@@ -33,7 +33,7 @@ type CodeActivityAuthor struct {
 	Commits int64
 }
 
-// GetCodeActivityStats returns code statistics for acitivity page
+// GetCodeActivityStats returns code statistics for activity page
 func (repo *Repository) GetCodeActivityStats(fromTime time.Time, branch string) (*CodeActivityStats, error) {
 	stats := &CodeActivityStats{}
 

modules/git/utils.go

@@ -13,7 +13,7 @@ import (
 	"sync"
 )
 
-// ObjectCache provides thread-safe cache opeations.
+// ObjectCache provides thread-safe cache operations.
 type ObjectCache struct {
 	lock  sync.RWMutex
 	cache map[string]interface{}