Bugfix MTE-4370 "Bitrise Xcode Check and Update" should query the latest available stacks (#25166)

Update "Bitrise Xcode Check and Update" Github Actions to query the latest stacks.

Author: clarmso

test-fixtures/update.py

@@ -38,6 +38,34 @@ def parse_semver(raw_str):
     else:
         return False
 
+def latest_stack():
+    try:
+        resp = requests.get(BITRISE_STACK_INFO)
+        resp_json = resp.json()['available_stacks']
+        keys = sorted([key for key in resp_json.keys() if 'osx-xcode-edge' not in key], reverse=True)
+        return keys[0]
+    except HTTPError as http_error:
+        print('An HTTP error has occurred: {http_error}')
+    except Exception as err:
+        print('An exception has occurred: {err}')
+        
+def latest_stable_stack():
+    try:
+        resp = requests.get(BITRISE_STACK_INFO)
+        resp_json = resp.json()['available_stacks']
+        keys = sorted([key for key in resp_json.keys() if '-edge' not in key], reverse=True)
+        return keys[0]
+    except HTTPError as http_error:
+        print('An HTTP error has occurred: {http_error}')
+    except Exception as err:
+        print('An exception has occurred: {err}')
+        
+def write_to_bitrise_yml(yaml, version):
+    yaml['workflows'][WORKFLOW]['meta']['bitrise.io']['stack'] = '{0}{1}'.format(pattern, version)
+    with open(tmp_file, 'w+') as tmpfile:
+        obj_yaml.dump(yaml, tmpfile)
+        copyfile(tmp_file, BITRISE_YML)
+        os.remove(tmp_file)
 
 def default_stack():
     try:
@@ -58,7 +86,8 @@ def default_stack():
     4. modify bitrise.yml (update stack value)
     '''
 
-    default_semver = default_stack().split(pattern)[1]
+    latest_stable_semver = latest_stable_stack().split(pattern)[1]
+    latest_semver = latest_stack().split(pattern)[1]
     tmp_file = 'tmp.yml'
 
     with open(BITRISE_YML, 'r') as infile:
@@ -75,15 +104,28 @@ def default_stack():
 
         # remove pattern prefix from current_semver to compare with largest
         current_semver = current_semver.split(pattern)[1]
-
-        if current_semver >= default_semver:
-            print('Xcode version unchanged or more recent! aborting.')
+        
+        print("current_semver: {0}".format(current_semver))
+        print("latest_stable_semver: {0}".format(latest_stable_semver))
+        print("latest_semver: {0}".format(latest_semver))
+        
+        # if we use an edge stack currently, see if there is a new stable version
+        if '-edge' in current_semver:
+            # if there is a stable stack of the same version or later, use stable stack.
+            # otherwise do nothing
+            if latest_stable_semver >= current_semver.replace('-edge', ''):
+                print("Stable version of Bitrise stack available: {0} ... updating bitrise.yml!".format(latest_stable_semver))
+                write_to_bitrise_yml(y, latest_stable_semver)
+            else:
+                print('No stable version of Bitrise stack available! aborting.')
+        # if we are using a stable stack, see if there is a new stable version
+        elif current_semver < latest_stable_semver:
+            print('New stable Bitrise stack available: {0} ... updating bitrise.yml!'.format(latest_stable_semver))
+            write_to_bitrise_yml(y, latest_stable_semver)
+        # if a new edge version is available, update bitrise.yml
+        elif current_semver < latest_semver:
+            print('New edge version of Bitrise stack available: {0} ... updating bitrise.yml!'.format(latest_semver))
+            write_to_bitrise_yml(y, latest_semver)
+        # we're using the absolutely latest version available
         else:
-            print('New Xcode version available: {0} ... updating bitrise.yml!'.format(default_semver))
-            # add prefix pattern back to be recognizable by bitrise
-            # as a valid stack value
-            y['workflows'][WORKFLOW]['meta']['bitrise.io']['stack'] = '{0}{1}'.format(pattern, default_semver)
-            with open(tmp_file, 'w+') as tmpfile:
-                obj_yaml.dump(y, tmpfile)
-                copyfile(tmp_file, BITRISE_YML)
-                os.remove(tmp_file)
+             print('Xcode version unchanged or more recent! aborting.')