1 files changed, 61 insertions, 0 deletions
diff --git a/tools/releasedate.py b/tools/releasedate.py
new file mode 100755
index 0000000..3df1ea4
--- /dev/null
+++ b/tools/releasedate.py
@@ -0,0 +1,61 @@
+#!/usr/bin/python3
+#
+# print FRR release schedule dates
+
+from datetime import datetime, date, timedelta
+
+w2 = timedelta(days=14)
+
+
+def year_gen(year):
+    for month in [3, 7, 11]:
+        d = date(year, month, 1)
+        if d.weekday() == 0:
+            d += timedelta(days=1)
+        elif d.weekday() >= 2:
+            d += timedelta(days=8 - d.weekday())
+        yield d
+
+
+def calc(refdate):
+    year = refdate.year
+
+    prev = list(year_gen(year - 1))[-1]
+    releases = list(year_gen(year)) + list(year_gen(year + 1))
+
+    while refdate > releases[0]:
+        prev = releases.pop(0)
+
+    return (prev, releases)
+
+
+if __name__ == "__main__":
+    now = datetime.now().date()
+    last, upcoming = calc(now)
+
+    print("Last release was (scheduled) on %s" % last.isoformat())
+
+    rel = upcoming.pop(0)
+    freeze, stabilization, rc = rel - w2 * 3, rel - w2 * 2, rel - w2
+
+    if now == rel:
+        print("It's release day! 🎉")
+    elif now >= rc:
+        print(
+            "%d days until release! (RC since %s)" % ((rel - now).days, rc.isoformat())
+        )
+    elif now >= stabilization:
+        print(
+            "%d days until RC. (stabilization branch created since %s)"
+            % ((rc - now).days, stabilization.isoformat())
+        )
+    elif now >= freeze:
+        print(
+            "%d days until stabilization branch, master is frozen since %s"
+            % ((stabilization - now).days, freeze.isoformat())
+        )
+    else:
+        print(
+            "%d days of hacking time left! (Freeze on %s)"
+            % ((freeze - now).days, freeze.isoformat())
+        )