Simplify hotfix detection

The logic to detect a hotfix by finding a merge base between main and
release branch is incorrect because the merge base wasn't found in previous releases.

Now we just assume any version with a patch number larger than 0 is a hotfix.

Author: rvermeulen

scripts/release/is-hotfix-release.py

@@ -6,45 +6,16 @@
 if TYPE_CHECKING:
     from argparse import Namespace
 
-def get_merge_base_of_ref() -> str:
-    cp = run(["git", "merge-base", "HEAD", "origin/main"], capture_output=True, text=True)
-    if cp.returncode != 0:
-        raise RuntimeError(f"Failed to get merge base with reason '{cp.stderr.strip()}'")
-    return cp.stdout.strip()
-
-def get_release_branches_containing(commit: str) -> List[Version]:
-    cp = run(["git", "branch", "--list", "rc/*", "--contains", commit], capture_output=True, text=True)
-    if cp.returncode != 0:
-        raise RuntimeError("Failed to get branches containing commit")
-    release_versions: List[Version] = []
-    for version in [b.strip() for b in cp.stdout.splitlines()]:
-        try:
-            if version.startswith("rc/"):
-                version = version[3:]
-                release_versions.append(Version(version))
-        except ValueError:
-            print(f"Warning: Skipping invalid version string: {version}", file=stderr)
-
-    return release_versions
-
 def main(args: 'Namespace') -> Literal[0,1]:
     try:
-        merge_base = get_merge_base_of_ref()
-        release_versions = get_release_branches_containing(merge_base)
-        if len(release_versions) == 0:
-            print(f"Info: No release branches found containing merge base {merge_base}", file=stderr)
+        version = Version(args.version)
+        if version.patch > 0:
+            print("true")
+        else:
             print("false")
-            return 0
-
-        for version in release_versions:
-            if version.next_patch() == Version(args.version):
-                print("true")
-                return 0
-            
-        print("false")
         return 0
-    except RuntimeError as e:
-        print(f"Error: {e}", file=stderr)
+    except ValueError:
+        print(f"Invalid version string: {args.version}", file=stderr)
         return 1
 
 if __name__ == '__main__':