add gerrit support (#610)

Author: vadim-kharin-codefresh

incubating/image-enricher/step.yaml

@@ -3,7 +3,7 @@ kind: step-type
 metadata:
   name: image-enricher
   title: Enrich codefresh image with PRs and Issues info
-  version: 1.3.2
+  version: 1.3.3
   isPublic: true
   description: Enrich codefresh image with PRs and Issues info
   sources:
@@ -53,7 +53,6 @@ spec:
         "patterns": [],
         "required": [
             "IMAGE",
-            "BRANCH",
             "REPO",
             "GIT_PROVIDER_NAME"
         ],
@@ -81,6 +80,10 @@ spec:
                 "type": "string",
                 "description": "Name of git provider to use from Codefresh integrations screen"
             },
+            "GERRIT_CHANGE_ID": {
+                "type": "string",
+                "description": "The change-id or a commit message that contain the change-id"
+            },
             "GITHUB_HOST": {
                 "type": "string",
                 "description": "Support on-premises github host, by default github.com",
@@ -100,4 +103,5 @@ spec:
           - REPO=${{REPO}}
           - REVISION=${{REVISION}}
           - GITHUB_HOST=${{GITHUB_HOST}}
+          - GERRIT_CHANGE_ID=${{GERRIT_CHANGE_ID}}
           - GIT_PROVIDER_NAME=${{GIT_PROVIDER_NAME}}