ci: simplify logic in check_changed_versions

Signed-off-by: Pablo Correa Gómez <pabloyoyoista@postmarketos.org>
Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/9363>

.ci/lib/check_changed_versions.py

@@ -130,20 +130,18 @@ def check_versions(packages):
                 print(f"- {package}: {head} (HEAD) (new package)")
             continue
 
+        is_device_pkg = os.path.basename(package).startswith('device-')
+        if is_device_pkg:
             # Check pkgver follows expected format for device packages
             pkgver = head.rpartition('-r')[0]
-        is_device_pkg = os.path.basename(package).startswith('device-')
-        if is_device_pkg and not pkgver.isdigit():
+            if not pkgver.isdigit():
                 print(f" - {package}: invalid pkgver \"{pkgver}\""
                       "See: https://docs.postmarketos.org/pmaports/main/packaging-guidelines.html#package-versioning-pkgver-pkgrel")
                 error = True
 
-        # Additional checks for device packages
-        if is_device_pkg:
+            # Check that pkgrel was reset to 0 when pkgver was changed
             head_parsed = get_package_contents(package, "HEAD", False)
             upstream_parsed = get_package_contents(package, commit, False)
-
-            # Check that pkgrel was reset to 0 when pkgver was changed
             if head_parsed["pkgver"] != upstream_parsed["pkgver"] and head_parsed["pkgrel"] != "0":
                 print(f" - {package}: pkgrel should be 0 when pkgver changes."
                       "See: https://docs.postmarketos.org/pmaports/main/packaging-guidelines.html#package-versioning-pkgver-pkgrel")