Add script to summarise PRs between a range of git-refs

Author: manics

scripts/get-prs.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python
+import os
+import re
+from argparse import ArgumentParser
+
+import github
+
+
+def extract_gitref(s):
+    """
+    Extract git ref from a container registry tag or Helm chart version
+
+    Examples:
+    - 2022.02.0 -> 2022.02.0
+    - 2022.02.0-90.g0345a86 -> 0345a86
+    - 0.2.0 -> 0.2.0
+    - 0.2.0-n1011.hb49edf6 -> b49edf6
+    - 0.2.0-0.dev.git.2752.h3450e52 -> 3450e52
+    """
+    m = re.match(r"[\d\.]+-[\w\.]+[gh]([0-9a-f]+)", s)
+    if m:
+        return m.group(1)
+    return s
+
+
+token = os.getenv("GITHUB_TOKEN")
+
+parser = ArgumentParser(description="Summarise PRs from a repo")
+parser.add_argument("repo", help="The repository in format user/repo")
+parser.add_argument("start", help="commit or image/chart version from which to start")
+parser.add_argument("end", help="commit or image/chart version to which to end")
+
+args = parser.parse_args()
+
+gh = github.Github(token)
+r = gh.get_repo(args.repo)
+
+start = extract_gitref(args.start)
+end = extract_gitref(args.end)
+
+prs = set()
+git_compare = r.compare(start, end)
+for c in git_compare.commits:
+    s = gh.search_issues("", type="pr", repo=args.repo, sha=c.sha)
+    prs.update(s)
+
+for pr in sorted(prs):
+    print(f"- [#{pr.number}]({pr.html_url}) {pr.title}")