From c92864febe90b4466908093061797c2667b6edfa Mon Sep 17 00:00:00 2001
From: "Peter J. Holzer" <hjp@wsr.ac.at>
Date: Mon, 21 Mar 2022 12:00:00 +0100
Subject: [PATCH] Tag repo with date

---
 tagger | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100755 tagger

diff --git a/tagger b/tagger
new file mode 100755
index 0000000..22122a1
--- /dev/null
+++ b/tagger
@@ -0,0 +1,33 @@
+#!/usr/bin/python3
+
+import datetime
+import re
+import subprocess
+
+subprocess.run(["git", "pull"])
+result = subprocess.run(["git", "log", "--pretty=format:%H %D", "--date-order"], stdout=subprocess.PIPE, universal_newlines=True)
+found_tags = set()
+need_tag = False
+for ln in result.stdout.split("\n"):
+
+    m = re.match(r"[0-9a-f]+ .*\btag: ([-a-z0-9._]+)", ln)
+    if m:
+        found_tags.add(m.group(1))
+
+    if not found_tags:
+        need_tag = True
+
+print(need_tag, found_tags)
+if need_tag:
+    today = datetime.date.today()
+    tag = today.strftime("r%y.%m.%d")
+    if tag in found_tags:
+        inc = 1
+        while f"{tag}.{inc}" in found_tags:
+            inc += 1
+        tag = f"{tag}.{inc}"
+    print(tag)
+    subprocess.run(["git", "tag", "-a", tag, "-m", "auto-tagged"])
+    subprocess.run(["git", "push", "--tags"])
+
+# vim: expandtab sw=4