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Lint git_diff.go
Semi-automatic linting (don't really document things)
This commit is contained in:
Sandro Santilli
parent
6ed7f269f1
commit
6e644726d0
1 changed files with 26 additions and 6 deletions
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@ -28,8 +28,10 @@ import (
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"golang.org/x/text/transform"
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)
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// DiffLineType ...
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type DiffLineType uint8
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// DiffLineType possible values.
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const (
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DiffLinePlain DiffLineType = iota + 1
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DiffLineAdd
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@ -37,8 +39,10 @@ const (
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DiffLineSection
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)
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// DiffFileType ...
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type DiffFileType uint8
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// DiffFileType possible values.
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const (
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DiffFileAdd DiffFileType = iota + 1
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DiffFileChange
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@ -46,6 +50,7 @@ const (
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DiffFileRename
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)
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// DiffLine ...
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type DiffLine struct {
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LeftIdx int
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RightIdx int
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@ -53,10 +58,12 @@ type DiffLine struct {
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Content string
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}
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// GetType ...
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func (d *DiffLine) GetType() int {
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return int(d.Type)
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}
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// DiffSection ...
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type DiffSection struct {
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Name string
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Lines []*DiffLine
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@ -68,6 +75,7 @@ var (
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codeTagSuffix = []byte("</span>")
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)
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// diffToHTML ...
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func diffToHTML(diffs []diffmatchpatch.Diff, lineType DiffLineType) template.HTML {
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buf := bytes.NewBuffer(nil)
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@ -97,7 +105,7 @@ func diffToHTML(diffs []diffmatchpatch.Diff, lineType DiffLineType) template.HTM
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return template.HTML(buf.Bytes())
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}
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// get an specific line by type (add or del) and file line number
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// GetLine gets a specific line by type (add or del) and file line number
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func (diffSection *DiffSection) GetLine(lineType DiffLineType, idx int) *DiffLine {
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var (
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difference = 0
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@ -142,11 +150,12 @@ LOOP:
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var diffMatchPatch = diffmatchpatch.New()
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// init ...
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func init() {
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diffMatchPatch.DiffEditCost = 100
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}
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// computes inline diff for the given line
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// GetComputedInlineDiffFor computes inline diff for the given line.
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func (diffSection *DiffSection) GetComputedInlineDiffFor(diffLine *DiffLine) template.HTML {
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if setting.Git.DisableDiffHighlight {
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return template.HTML(html.EscapeString(diffLine.Content[1:]))
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@ -183,6 +192,7 @@ func (diffSection *DiffSection) GetComputedInlineDiffFor(diffLine *DiffLine) tem
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return diffToHTML(diffRecord, diffLine.Type)
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}
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// DiffFile ...
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type DiffFile struct {
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Name string
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OldName string
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@ -198,26 +208,31 @@ type DiffFile struct {
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IsIncomplete bool
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}
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// GetType returns type of diff file.
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func (diffFile *DiffFile) GetType() int {
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return int(diffFile.Type)
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}
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// GetHighlightClass ...
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func (diffFile *DiffFile) GetHighlightClass() string {
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return highlight.FileNameToHighlightClass(diffFile.Name)
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}
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// Diff ...
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type Diff struct {
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TotalAddition, TotalDeletion int
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Files []*DiffFile
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IsIncomplete bool
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}
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// NumFiles ...
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func (diff *Diff) NumFiles() int {
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return len(diff.Files)
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}
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const DIFF_HEAD = "diff --git "
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const cmdDiffHead = "diff --git "
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// ParsePatch ...
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// TODO: move this function to gogits/git-module
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func ParsePatch(maxLines, maxLineCharacteres, maxFiles int, reader io.Reader) (*Diff, error) {
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var (
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@ -307,19 +322,19 @@ func ParsePatch(maxLines, maxLineCharacteres, maxFiles int, reader io.Reader) (*
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}
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// Get new file.
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if strings.HasPrefix(line, DIFF_HEAD) {
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if strings.HasPrefix(line, cmdDiffHead) {
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middle := -1
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// Note: In case file name is surrounded by double quotes (it happens only in git-shell).
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// e.g. diff --git "a/xxx" "b/xxx"
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hasQuote := line[len(DIFF_HEAD)] == '"'
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hasQuote := line[len(cmdDiffHead)] == '"'
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if hasQuote {
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middle = strings.Index(line, ` "b/`)
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} else {
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middle = strings.Index(line, " b/")
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}
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beg := len(DIFF_HEAD)
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beg := len(cmdDiffHead)
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a := line[beg+2 : middle]
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b := line[middle+3:]
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if hasQuote {
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@ -405,6 +420,7 @@ func ParsePatch(maxLines, maxLineCharacteres, maxFiles int, reader io.Reader) (*
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return diff, nil
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}
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// GetDiffRange ...
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func GetDiffRange(repoPath, beforeCommitID, afterCommitID string, maxLines, maxLineCharacteres, maxFiles int) (*Diff, error) {
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gitRepo, err := git.OpenRepository(repoPath)
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if err != nil {
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@ -456,8 +472,10 @@ func GetDiffRange(repoPath, beforeCommitID, afterCommitID string, maxLines, maxL
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return diff, nil
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}
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// RawDiffType ...
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type RawDiffType string
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// RawDiffType possible values.
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const (
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RawDiffNormal RawDiffType = "diff"
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RawDiffPatch RawDiffType = "patch"
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@ -465,6 +483,7 @@ const (
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// GetRawDiff dumps diff results of repository in given commit ID to io.Writer.
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// TODO: move this function to gogits/git-module
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// GetRawDiff ...
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func GetRawDiff(repoPath, commitID string, diffType RawDiffType, writer io.Writer) error {
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repo, err := git.OpenRepository(repoPath)
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if err != nil {
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@ -509,6 +528,7 @@ func GetRawDiff(repoPath, commitID string, diffType RawDiffType, writer io.Write
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return nil
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}
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// GetDiffCommit ...
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func GetDiffCommit(repoPath, commitID string, maxLines, maxLineCharacteres, maxFiles int) (*Diff, error) {
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return GetDiffRange(repoPath, "", commitID, maxLines, maxLineCharacteres, maxFiles)
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}
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