refactor: use revision, add refactor

changes the GetCommitFromString
function to use revision resolving to
support `git rev-parse` syntax, also
changes the inclusionFlags default
values to have refactor as a default

Author: barelyhuman

gitutils.go

@@ -120,30 +120,14 @@ func openRepository(path string) *git.Repository {
 
 // GetCommitFromString - get commit from hash string
 func GetCommitFromString(commitString string, repo *git.Repository) *object.Commit {
-	baseCommitReference, err := repo.Head()
+	hash, err := repo.ResolveRevision(plumbing.Revision(commitString))
 	if err != nil {
 		log.Fatal("Unable to get Repo head:", err)
 	}
-	cIter, err := repo.Log(&git.LogOptions{From: baseCommitReference.Hash()})
-	if err != nil {
-		log.Fatal("Unable to get commits:", err)
-	}
-	foundMatch := false
-	var commitRef *object.Commit
-
-	for {
-		if foundMatch {
-			break
-		}
-
-		commit, _ := cIter.Next()
-
-		if commit.Hash.String() == commitString {
-			foundMatch = true
-			commitRef = commit
-		}
 
+	commitRef, err := repo.CommitObject(*hash)
+	if err != nil {
+		log.Fatal("Unable to get resolve commit:", err)
 	}
-
 	return commitRef
 }

main.go

@@ -25,7 +25,7 @@ func main() {
 	var repoPath = flag.String("p", ".", "path to the repository, points to the current working directory by default")
 	var startCommit = flag.String("s", "", "commit hash string start collecting commit messages from")
 	var endCommit = flag.String("e", "", "commit hash string to stop collecting commit message at")
-	var inclusionFlags = flag.String("i", "ci,docs,fix,feat,test,chore,other", "commit types to be includes, defaults to CI FIX REFACTOR FEATURE DOCS CHORE TEST OTHER")
+	var inclusionFlags = flag.String("i", "ci,refactor,docs,fix,feat,test,chore,other", "commit types to be includes, defaults to CI FIX REFACTOR FEATURE DOCS CHORE TEST OTHER")
 	var skipClassification = flag.Bool("skip", false, "if true will skip trying to classify and just give a list of changes")
 
 	flag.Parse()