lts/lts-release-mail.py: Script to generate LTS release email
Based on specification in
https://linaro.atlassian.net/browse/TFC-471
In addition to the spec, implemented --latest option to use the latest
release tag.
Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: Ied82a6b5d744ffa539e0916fa2b152a8cd5b4a1d
diff --git a/lts/lts-release-mail.py b/lts/lts-release-mail.py
new file mode 100755
index 0000000..1b7e048
--- /dev/null
+++ b/lts/lts-release-mail.py
@@ -0,0 +1,96 @@
+#!/usr/bin/env python3
+import argparse
+import sys
+import os
+import re
+import subprocess
+
+
+WORKDIR = "trusted-firmware-a"
+
+
+def run(cmd):
+ return subprocess.check_call(cmd, shell=True)
+
+
+def maybe_int(s):
+ if s.isdigit():
+ return int(s)
+ return s
+
+
+def main():
+ argp = argparse.ArgumentParser(description="Prepare TF-A LTS release email content")
+ argp.add_argument("--latest", action="store_true", help="use latest release tag")
+ argp.add_argument("release_tag", nargs="?", help="release tag")
+ args = argp.parse_args()
+ if not args.release_tag and not args.latest:
+ argp.error("Either release_tag or --latest is required")
+
+ with open(os.path.dirname(__file__) + "/lts-release-mail.txt") as f:
+ mail_template = f.read()
+
+ if not os.path.exists(WORKDIR):
+ run("git clone https://review.trustedfirmware.org/TF-A/trusted-firmware-a %s" % WORKDIR)
+ os.chdir(WORKDIR)
+ else:
+ os.chdir(WORKDIR)
+ run("git pull --quiet")
+
+ if args.latest:
+ latest = []
+ for l in os.popen("git tag"):
+ if not re.match(r"lts-v\d+\.\d+\.\d+", l):
+ continue
+ l = l.rstrip()
+ comps = [maybe_int(x) for x in l.split(".")]
+ comps.append(l)
+ if comps > latest:
+ latest = comps
+ if not latest:
+ argp.error("Could not find latest LTS tag")
+ args.release_tag = latest[-1]
+
+ comps = args.release_tag.split(".")
+ prev_comps = comps[:-1] + [str(int(comps[-1]) - 1)]
+ prev_release = ".".join(prev_comps)
+
+ subjects = []
+ for l in os.popen("git log --oneline --reverse %s..%s" % (prev_release, args.release_tag)):
+ subjects.append(l.rstrip())
+ subjects = subjects[:-3]
+
+ urls = []
+ for s in subjects:
+ commit_id, _ = s.split(" ", 1)
+ for l in os.popen("git show %s" % commit_id):
+ if "Change-Id:" in l:
+ _, change_id = l.strip().split(None, 1)
+ urls.append("https://review.trustedfirmware.org/q/" + change_id)
+
+ assert len(subjects) == len(urls)
+
+ commits = ""
+ for i, s in enumerate(subjects, 1):
+ commits += "%s [%d]\n" % (s, i)
+
+ references = ""
+ for i, s in enumerate(urls, 1):
+ references += "[%d] %s\n" % (i, s)
+
+ # Strip trailing newline, as it's encoded in template.
+ commits = commits.rstrip()
+ references = references.rstrip()
+
+ version = args.release_tag[len("lts-v"):]
+ sys.stdout.write(
+ mail_template.format(
+ version=version,
+ commits=commits,
+ references=references,
+ )
+ )
+
+
+if __name__ == "__main__":
+ main()