[#805] Fix linter errors

- add missing method descriptions
- ignore gosec false positive in tcr_test.go
- simplify tcr.parseCommitStatus()
- rewrite tcr.isTCRCommitMessage() so that it leverages on tcr.parseCommitStatus()

src/engine/tcr.go

@@ -250,7 +250,7 @@ func (tcr *TCREngine) queryVCSLogs(p params.Params) vcs.LogItems {
 }
 
 func isTCRCommitMessage(msg string) bool {
-	return strings.Index(msg, messagePassed.toString(true)) == 0 || strings.Index(msg, messageFailed.toString(true)) == 0
+	return parseCommitStatus(msg) != events.StatusUnknown
 }
 
 func parseCommitMessage(message string) events.TCREvent {
@@ -294,15 +294,13 @@ func parseCommitHeaderAndEvents(message string) (string, events.TCREvent) {
 }
 
 func parseCommitStatus(header string) events.CommandStatus {
-	commitStatus := events.StatusUnknown
 	if strings.Contains(header, messagePassed.Tag) {
-		commitStatus = events.StatusPass
-	} else if strings.Contains(header, messageFailed.Tag) {
-		commitStatus = events.StatusFail
-	} else {
-		commitStatus = events.StatusUnknown
+		return events.StatusPass
+	}
+	if strings.Contains(header, messageFailed.Tag) {
+		return events.StatusFail
 	}
-	return commitStatus
+	return events.StatusUnknown
 }
 
 func (tcr *TCREngine) setMessageSuffix(suffix string) {

src/engine/tcr_test.go

@@ -47,7 +47,7 @@ import (
 )
 
 const (
-	passedCommitMessage   = "✅ [TCR - PASSED] tests passing"
+	passedCommitMessage   = "✅ [TCR - PASSED] tests passing" //nolint:gosec
 	failedCommitMessage   = "❌ [TCR - FAILED] tests failing"
 	revertedCommitMessage = "⏪ [TCR - REVERTED] revert changes"
 )

src/vcs/fake/vcs_test_fake.go

@@ -82,10 +82,6 @@ type (
 	}
 )
 
-func (vf *VCSFake) SupportsEmojis() bool {
-	return vf.supportsEmojis
-}
-
 func (vf *VCSFake) fakeCommand(cmd Command) (err error) {
 	vf.lastCommands = append(vf.lastCommands, cmd)
 	if vf.settings.FailingCommands.contains(cmd) {
@@ -219,10 +215,17 @@ func (vf *VCSFake) CheckRemoteAccess() bool {
 	return vf.settings.RemoteAccessWorking
 }
 
+// GetLastCommitSubjects returns the list of last commit subjects
 func (vf *VCSFake) GetLastCommitSubjects() []string {
 	return vf.lastCommitSubjects
 }
 
+// SupportsEmojis indicates if the VCS supports emojis in commit messages
+func (vf *VCSFake) SupportsEmojis() bool {
+	return vf.supportsEmojis
+}
+
+// SetSupportsEmojis allows to configure VCS fake's support for emojis
 func (vf *VCSFake) SetSupportsEmojis(flag bool) {
 	vf.supportsEmojis = flag
 }

src/vcs/git/git_impl.go

@@ -58,10 +58,6 @@ type gitImpl struct {
 	traceGitFunction            func(params ...string) (err error)
 }
 
-func (g *gitImpl) SupportsEmojis() bool {
-	return true
-}
-
 // New initializes the git implementation based on the provided directory from local clone
 func New(dir string, remoteName string) (vcs.Interface, error) {
 	return newGitImpl(plainOpen, dir, remoteName)
@@ -388,6 +384,11 @@ func (g *gitImpl) CheckRemoteAccess() bool {
 	return false
 }
 
+// SupportsEmojis indicates if the VCS supports emojis in commit messages (true in case of git)
+func (*gitImpl) SupportsEmojis() bool {
+	return true
+}
+
 // traceGit runs a git command and traces its output.
 // The command is launched from the git root directory
 func (g *gitImpl) traceGit(args ...string) error {

src/vcs/p4/p4_impl.go

@@ -53,10 +53,6 @@ type p4Impl struct {
 	tracePipedP4Function func(toCmd shell.Command, params ...string) (err error)
 }
 
-func (p *p4Impl) SupportsEmojis() bool {
-	return false
-}
-
 // New initializes the p4 implementation based on the provided directory from local clone
 func New(dir string) (vcs.Interface, error) {
 	return newP4Impl(plainOpen, dir, false)
@@ -260,6 +256,11 @@ func (*p4Impl) CheckRemoteAccess() bool {
 	return true
 }
 
+// SupportsEmojis indicates if the VCS supports emojis in commit messages (false in case of Perforce)
+func (*p4Impl) SupportsEmojis() bool {
+	return false
+}
+
 // traceP4 runs a p4 command and traces its output.
 // The command is launched from the p4 root directory
 func (p *p4Impl) traceP4(args ...string) error {