chore: make the changes backwards compatible to ease the migration

Signed-off-by: djamaile <rdjamaile@gmail.com>

.changeset/forty-timers-cheer.md

@@ -1,5 +1,6 @@
 ---
-'@backstage/plugin-scaffolder-backend': minor
+'@backstage/plugin-scaffolder-backend': major
 ---
 
-refactored the gitlab publish merge request action to not use the `projectId` property. Instead use the `host` and `owner` property from the `RepoUrlPicker`. This decreases the amount of fields the user has to fill in.
+**DEPRECATION**: The `projectid` input parameters to the `publish:gitlab:merge-request`, it's no longer required as it can be decoded from the `repoUrl` input parameter.
+**DEPRECATION**: The `projectid` output of the action in favour of `projectPath`

plugins/scaffolder-backend/src/scaffolder/actions/builtin/publish/gitlabMergeRequest.ts

@@ -40,6 +40,8 @@ export const createPublishGitlabMergeRequestAction = (options: {
     branchName: string;
     targetPath: string;
     token?: string;
+    /** @deprecated */
+    projectid?: string;
   }>({
     id: 'publish:gitlab:merge-request',
     schema: {
@@ -52,6 +54,12 @@ export const createPublishGitlabMergeRequestAction = (options: {
             title: 'Repository Location',
             description: `Accepts the format 'gitlab.com/group_name/project_name' where 'project_name' is the repository name and 'group_name' is a group or username`,
           },
+          /** @deprecated */
+          projectid: {
+            type: 'string',
+            title: 'projectid',
+            description: 'Project ID/Name(slug) of the Gitlab Project',
+          },
           title: {
             type: 'string',
             title: 'Merge Request Name',
@@ -82,6 +90,10 @@ export const createPublishGitlabMergeRequestAction = (options: {
       output: {
         type: 'object',
         properties: {
+          projectid: {
+            title: 'Gitlab Project id/Name(slug)',
+            type: 'string',
+          },
           projectPath: {
             title: 'Gitlab Project path',
             type: 'string',
@@ -173,7 +185,8 @@ export const createPublishGitlabMergeRequestAction = (options: {
         ).then((mergeRequest: { web_url: string }) => {
           return mergeRequest.web_url;
         });
-        ctx.output('project path: ', projectPath);
+        ctx.output('projectid', projectPath);
+        ctx.output('projectPath', projectPath);
         ctx.output('mergeRequestUrl', mergeRequestUrl);
       } catch (e) {
         throw new InputError(`Merge request creation failed${e}`);