Allow adding a port to webDomain part of services config (#2908)

pkg/commands/hosting_service/hosting_service.go

@@ -101,15 +101,14 @@ func (self *HostingServiceMgr) getCandidateServiceDomains() []ServiceDomain {
 
 	if len(self.configServiceDomains) > 0 {
 		for gitDomain, typeAndDomain := range self.configServiceDomains {
-			splitData := strings.Split(typeAndDomain, ":")
+			provider, webDomain, success := strings.Cut(typeAndDomain, ":")
-			if len(splitData) != 2 {
+
+			// we allow for one ':' for specifying the TCP port
+			if !success || strings.Count(webDomain, ":") > 1 {
 				self.log.Errorf("Unexpected format for git service: '%s'. Expected something like 'github.com:github.com'", typeAndDomain)
 				continue
 			}
 
-			provider := splitData[0]
-			webDomain := splitData[1]
-
 			serviceDefinition, ok := serviceDefinitionByProvider[provider]
 			if !ok {
 				providerNames := lo.Map(serviceDefinitions, func(serviceDefinition ServiceDefinition, _ int) string {

pkg/commands/hosting_service/hosting_service_test.go

@@ -340,6 +340,30 @@ func TestGetPullRequestURL(t *testing.T) {
 			},
 			expectedLoggedErrors: nil,
 		},
+		{
+			testName:  "Does not log error when config service webDomain contains a port",
+			from:      "feature/profile-page",
+			remoteUrl: "git@my.domain.test:johndoe/social_network.git",
+			configServiceDomains: map[string]string{
+				"my.domain.test": "gitlab:my.domain.test:1111",
+			},
+			test: func(url string, err error) {
+				assert.NoError(t, err)
+				assert.Equal(t, "https://my.domain.test:1111/johndoe/social_network/-/merge_requests/new?merge_request[source_branch]=feature%2Fprofile-page", url)
+			},
+		},
+		{
+			testName:  "Logs error when webDomain contains more than one colon",
+			from:      "feature/profile-page",
+			remoteUrl: "git@my.domain.test:johndoe/social_network.git",
+			configServiceDomains: map[string]string{
+				"my.domain.test": "gitlab:my.domain.test:1111:2222",
+			},
+			test: func(url string, err error) {
+				assert.Error(t, err)
+			},
+			expectedLoggedErrors: []string{"Unexpected format for git service: 'gitlab:my.domain.test:1111:2222'. Expected something like 'github.com:github.com'"},
+		},
 		{
 			testName:  "Logs error when config service domain is malformed",
 			from:      "feature/profile-page",