From fd91c016077a5d64db9774dc15f176bbd5b85cc0 Mon Sep 17 00:00:00 2001
From: Luca Beltrame <lbeltrame@kde.org>
Date: Sat, 15 Jan 2022 10:00:29 +0100
Subject: [PATCH] WIP experiment

---
 obs/update_unstable.py | 97 ++++++++++++++++++++++++++++++++++--------
 1 file changed, 79 insertions(+), 18 deletions(-)

diff --git a/obs/update_unstable.py b/obs/update_unstable.py
index 8a480ea..0836dfe 100755
--- a/obs/update_unstable.py
+++ b/obs/update_unstable.py
@@ -8,7 +8,7 @@ from collections import defaultdict
 import logging
 import json
 from pathlib import Path
-from typing import Union, Dict, Any
+from typing import Union, Dict, Any, List
 from urllib.parse import quote
 
 import git
@@ -20,6 +20,7 @@ import sarge
 API_URL = "https://invent.kde.org/api/v4/projects/"
 OBS_URL = "https://api.opensuse.org/trigger/runservice"
 MATRIX_COMMANDER = "/home/mocker/local-venv/bin/matrix-commander.py"
+REPO_TEMPLATE = "https://invent.kde.org/{}"
 
 MESSAGE_TEMPLATE = f"""
 ### OBS package update complete
@@ -29,9 +30,86 @@ Stats for {date.today().strftime('%Y-%m-%d')}:
 """
 
 
+def project_exists(project: str) -> bool:
+    # We want / to get quoted, so put safe to ""
+    project_name = quote(project, safe="")
+    request = requests.get(API_URL + project_name)
+
+    if request:
+        return True
+
+    return False
+
+
+def get_remote_hash(url: str, branch: str = "master") -> str:
+
+    gitcmd = git.cmd.Git()
+    revision = gitcmd.ls_remote(url, branch, quiet=True, refs=True)
+    git_hash, branch = revision.split("\t")
+    return git_hash
+
+
+class RepoUpdater:
+
+    def __init__(self, config: str, cache_file: str) -> None:
+
+        if not Path(cache_file).exists():
+            logging.debug("File cache not found, not loading")
+            self._data: Dict[str, Dict[str, str]] = dict()
+        else:
+            with open(self.cache) as handle:
+                self._data = json.load(handle)
+
+        with open(config, "r") as mapping:
+            repo_data = json.load(mapping)
+            self.config = repo_data
+
+    def __getitem__(self, key: str) -> Dict[str, str]:
+
+        if key not in self._data:
+            raise KeyError(f"{key}")
+
+        return self._data[key]
+
+    def __setitem__(self, key: str, value: Dict[str, str]) -> None:
+        self._data[key] = value
+
+    def get(self, key: str,
+            *args: Any, **kwargs: Any) -> Union[None, str, Dict[str, str]]:
+        return self._data.get(key, *args, **kwargs)
+
+    def package_lists(self, repo: str) -> List[str]:
+        return self[repo]
+
+    def get_updated_remotes(self, repository: str) -> List[str]:
+
+        to_update = list()
+
+        repodata = self.config[repository]
+        for repo in repodata:
+            for item in repo:
+                kde_name = item["kde"]
+                branch = item["branch"]
+                url = REPO_TEMPLATE.format(kde_name)
+                if not project_exists(kde_name):
+                    logging.warning("Repository %s not found, skipping",
+                                    kde_name)
+                    continue
+
+                local_hash = self[repository].get(kde_name, "")
+                remote_hash = get_remote_hash(url, branch)
+
+                if local_hash != remote_hash:
+                    to_update.append(item["obs"])
+
+        return to_update
+
+
+
 class GitHashCache:
 
     def __init__(self, cache_file: str) -> None:
+
         self.cache = cache_file
         self._data: Dict[str, Dict[str, str]] = dict()
 
@@ -63,24 +141,7 @@ class GitHashCache:
         with open(self.cache) as handle:
             self._data = json.load(handle)
 
-
-def project_exists(project: str) -> bool:
-    # We want / to get quoted, so put safe to ""
-    project_name = quote(project, safe="")
-    request = requests.get(API_URL + project_name)
-
-    if request:
-        return True
-
-    return False
-
-
-def get_remote_hash(url: str, branch: str = "master") -> str:
-
-    gitcmd = git.cmd.Git()
     revision = gitcmd.ls_remote(url, branch, refs=True)
-    git_hash, branch = revision.split("\t")
-    return git_hash
 
 
 def trigger_update(repository: str, package_name: str,