Add support for invalidating comments

Signed-off-by: Jonas Franz <info@jonasfranz.software>

vendor/code.gitea.io/git/repo_blame.go

@@ -4,7 +4,21 @@
 
 package git
 
+import "fmt"
+
 // FileBlame return the Blame object of file
 func (repo *Repository) FileBlame(revision, path, file string) ([]byte, error) {
 	return NewCommand("blame", "--root", file).RunInDirBytes(path)
 }
+
+// LineBlame returns the latest commit at the given line
+func (repo *Repository) LineBlame(revision, path, file string, line uint) (*Commit, error) {
+	res, err := NewCommand("blame", fmt.Sprintf("-L %d,%d", line, line), "-p", revision, file).RunInDir(path)
+	if err != nil {
+		return nil, err
+	}
+	if len(res) < 40 {
+		return nil, fmt.Errorf("invalid result of blame: %s", res)
+	}
+	return repo.GetCommit(string(res[:40]))
+}

vendor/vendor.json

@@ -3,10 +3,11 @@
 	"ignore": "test appengine",
 	"package": [
 		{
-			"checksumSHA1": "BfL4Z7P1alyUUNspKJu7Q4GPCNs=",
+			"checksumSHA1": "jkAY8qJRd3N2isGPpoCMoq+QkBc=",
+			"origin": "github.com/JonasFranzDEV/git",
 			"path": "code.gitea.io/git",
-			"revision": "f1ecc138bebcffed32be1a574ed0c2701b33733f",
-			"revisionTime": "2018-04-21T01:08:19Z"
+			"revision": "575c3983fb275c7e87906a781ace9d97e8f4071d",
+			"revisionTime": "2018-05-13T11:02:42Z"
 		},
 		{
 			"checksumSHA1": "WMD6+Qh2+5hd9uiq910pF/Ihylw=",