fix: revert commit generated by tortoiseGit validate fail

cause:
only allow `revert:` or `Revert:`
but tortoiseGit generate `Revert `
solve:
adapt to the tortoiseGit format

fix #1

Author: JayceChant

commit-msg.go

@@ -74,8 +74,10 @@ func checkHeader(header string) {
 	checkType(typ)
 
 	isFixupOrSquash := (groups[2] != "")
-	// scope := groups[4] // TODO: 根据配置对scope检查
-	// subject := groups[5] // TODO: 根据规则对subject检查
+	// TODO: 根据配置对scope检查
+	// scope := groups[4]
+	// TODO: 根据规则对subject检查
+	// subject := groups[5]
 
 	length := len(header)
 	if length > Config.LineLimit &&
@@ -115,7 +117,10 @@ func validateMsg(msg string) {
 	}
 
 	sections := strings.SplitN(msg, "\n", 2)
-	checkHeader(sections[0])
+
+	if m, _ := regexp.MatchString(revertPattern, sections[0]); !m {
+		checkHeader(sections[0])
+	}
 
 	if len(sections) == 2 {
 		checkBody(sections[1])

commit-msg_test.go

@@ -11,26 +11,33 @@ func TestGetMsg(t *testing.T) {
 	}
 }
 
+func handleState(t *testing.T, s interface{}, expected msgState) {
+	state, ok := s.(msgState)
+	if !ok || state != expected {
+		t.Errorf("Failed! %v", s)
+	}
+}
+
 func TestValidatedSample(t *testing.T) {
 	defer func() {
-		err := recover()
-		state, ok := err.(msgState)
-		if !ok || state != Validated {
-			t.Errorf("Failed! %v", err)
-		}
+		handleState(t, recover(), Validated)
 	}()
 
 	validateMsg(getMsg("testcase/sample.txt"))
 }
 
-func TestTortoiseGitMerge(t *testing.T) {
+func TestMerge(t *testing.T) {
 	defer func() {
-		err := recover()
-		state, ok := err.(msgState)
-		if !ok || state != Merge {
-			t.Errorf("Failed! %v", err)
-		}
+		handleState(t, recover(), Merge)
 	}()
 
 	validateMsg(getMsg("testcase/tortoiseGitMerge.txt"))
 }
+
+func TestRevert(t *testing.T) {
+	defer func() {
+		handleState(t, recover(), Validated)
+	}()
+
+	validateMsg(getMsg("testcase/tortoiseGitRevert.txt"))
+}

config.go

@@ -7,7 +7,8 @@ import (
 )
 
 const (
-	mergePrefix    = `Merge `
+	mergePrefix    = "Merge "
+	revertPattern  = `^(Revert|revert)(:| ).+`
 	headerPattern  = `^((fixup! |squash! )?(\w+)(?:\(([^\)\s]+)\))?: (.+))(?:\n|$)`
 	configFileName = "commit-msg.cfg.json"
 	hookDir        = "./.git/hooks/"

testcase/tortoiseGitRevert.txt

@@ -0,0 +1,3 @@
+Revert "fix: abc issue & xyz problems, some words to make it lonnnnnnnnger"
+
+This reverts commit 1234567890abcdef1234567890abcdef12345678.