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authorSunny <me@darkowlzz.space>2017-10-06 17:17:29 +0530
committerSunny <me@darkowlzz.space>2017-11-02 18:50:20 +0530
commit69b72d30b125b07f69f2b1f53c44b273d7cb4da9 (patch)
tree13f926f35b05630ff039c4950f9cdd770c2258a3 /plumbing/object
parent06728688aa3026a6edb36d3319922e25bce89392 (diff)
downloadgo-git-69b72d30b125b07f69f2b1f53c44b273d7cb4da9.tar.gz
Add Stats() to Commit
Stats() is similar to `git show --stat <hash>`.
Diffstat (limited to 'plumbing/object')
-rw-r--r--plumbing/object/commit.go66
-rw-r--r--plumbing/object/commit_test.go24
2 files changed, 90 insertions, 0 deletions
diff --git a/plumbing/object/commit.go b/plumbing/object/commit.go
index 66ecabd..e5faa38 100644
--- a/plumbing/object/commit.go
+++ b/plumbing/object/commit.go
@@ -265,6 +265,72 @@ func (b *Commit) Encode(o plumbing.EncodedObject) error {
return err
}
+// FileStat stores the status of changes in content of a file.
+type FileStat struct {
+ Name string
+ Addition int
+ Deletion int
+}
+
+func (fs FileStat) String() string {
+ totalChanges := fs.Addition + fs.Deletion
+ adds := strings.Repeat("+", fs.Addition)
+ dels := strings.Repeat("-", fs.Deletion)
+ return fmt.Sprintf(" %s | %d %s%s", fs.Name, totalChanges, adds, dels)
+}
+
+// FileStats is a collection of FileStat.
+type FileStats []FileStat
+
+// Stats shows the status
+func (c *Commit) Stats() (FileStats, error) {
+ var fileStats FileStats
+
+ // Get the previous commit.
+ ci := c.Parents()
+ parentCommit, err := ci.Next()
+ if err != nil {
+ return nil, err
+ }
+
+ patch, err := parentCommit.Patch(c)
+ if err != nil {
+ return nil, err
+ }
+
+ filePatches := patch.FilePatches()
+ for _, fp := range filePatches {
+ cs := FileStat{}
+ from, to := fp.Files()
+ if from == nil {
+ // New File is created.
+ cs.Name = to.Path()
+ } else if to == nil {
+ // File is deleted.
+ cs.Name = from.Path()
+ } else if from.Path() != to.Path() {
+ // File is renamed.
+ cs.Name = fmt.Sprintf("%s => %s", from.Path(), to.Path())
+ } else {
+ // File is modified.
+ cs.Name = from.Path()
+ }
+
+ for _, chunk := range fp.Chunks() {
+ switch chunk.Type() {
+ case 1:
+ cs.Addition += strings.Count(chunk.Content(), "\n")
+ case 2:
+ cs.Deletion += strings.Count(chunk.Content(), "\n")
+ }
+ }
+
+ fileStats = append(fileStats, cs)
+ }
+
+ return fileStats, nil
+}
+
func (c *Commit) String() string {
return fmt.Sprintf(
"%s %s\nAuthor: %s\nDate: %s\n\n%s\n",
diff --git a/plumbing/object/commit_test.go b/plumbing/object/commit_test.go
index 2d04e77..f17f1c6 100644
--- a/plumbing/object/commit_test.go
+++ b/plumbing/object/commit_test.go
@@ -258,3 +258,27 @@ RUysgqjcpT8+iQM1PblGfHR4XAhuOqN5Fx06PSaFZhqvWFezJ28/CLyX5q+oIVk=
c.Assert(err, IsNil)
c.Assert(decoded.PGPSignature, Equals, pgpsignature)
}
+
+func (s *SuiteCommit) TestStat(c *C) {
+ aCommit := s.commit(c, plumbing.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"))
+ fileStats, err := aCommit.Stats()
+ c.Assert(err, IsNil)
+
+ c.Assert(fileStats[0].Name, Equals, "vendor/foo.go")
+ c.Assert(fileStats[0].Addition, Equals, 7)
+ c.Assert(fileStats[0].Deletion, Equals, 0)
+ c.Assert(fileStats[0].String(), Equals, " vendor/foo.go | 7 +++++++")
+
+ // Stats for another commit.
+ aCommit = s.commit(c, plumbing.NewHash("918c48b83bd081e863dbe1b80f8998f058cd8294"))
+ fileStats, err = aCommit.Stats()
+ c.Assert(err, IsNil)
+
+ c.Assert(fileStats[0].Name, Equals, "go/example.go")
+ c.Assert(fileStats[0].Addition, Equals, 142)
+ c.Assert(fileStats[0].Deletion, Equals, 0)
+
+ c.Assert(fileStats[1].Name, Equals, "php/crappy.php")
+ c.Assert(fileStats[1].Addition, Equals, 259)
+ c.Assert(fileStats[1].Deletion, Equals, 0)
+}