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#!/usr/bin/env python3
# src:
# https://git.sr.ht/~sircmpwn/dotfiles/blob/f9e7e88a72c2b87e5ab823205cb3a3aa8f3babd0/bin/semver
# usage: semver [patch|minor|major|<new_version>]
# desc: will tag a new version either based on last tag or <new_version>
#
# patch(robertgzr)
# allow tagging a new non-annotated release
import getopt
import io
import os
import subprocess
import sys
import tempfile
import time
dry_run = False
simple_tag = True
force = False
changelog = False
push = False
def exec(args, dry_run=False, strict=True):
print(f"+ {args}")
if not dry_run:
p = subprocess.run(args, stdout=subprocess.PIPE)
if strict and p.returncode != 0:
print(f"ERROR: {' '.join(args)} returned nonzero exit code")
sys.exit(1)
return p.stdout.decode().strip()
def usage():
print(f"usage: {os.path.basename(sys.argv[0])} OPTIONS COMMANDS")
print("""
bump the previous tag and create a new one
OPTIONS:
\t-h\tshow this help
\t-a\tannotate tag
\t-f\toverwrite existing tag
\t-c\twrite CHANGELOG
\t-p\tpush changes
\t-n\tdry run
COMMANDS:
\tpatch
\tminor
\tmajor
""")
sys.exit(2)
try:
opts, argv = getopt.getopt(sys.argv[1:], 'afcpnh')
except getopt.GetoptError as err:
print(err)
usage()
for o, val in opts:
if o == "-a":
simple_tag = not simple_tag
elif o == "-f":
force = not force
elif o == "-c":
changelog = not changelog
elif o == "-p":
push = not push
elif o == "-n":
dry_run = not dry_run
elif o == "-h":
usage()
else:
assert False, "unhandled option"
if any(item in ["-h", "--help", "help"] for item in argv):
usage()
if len(argv) < 1 or len(argv) > 1:
usage()
if exec(["git", "branch", "--show-current"]) != "master":
print("WARNING: not on master branch.")
exec(["git", "pull", "--dry-run", "--rebase"])
describe = exec(["git", "describe", "--abbrev=0", "--tags"], strict=False)
# TODO also ask to re-append the trailing portion.... e.g. -rev1
prepend = None
if describe:
if describe[0] == 'v':
describe = describe[1:]
prepend = 'v'
old_version = describe.split("-")[0].split(".")
if len(old_version) == 2:
[major, minor] = old_version
[major, minor] = map(int, [major, minor])
patch = 0
elif len(old_version) == 3:
[major, minor, patch] = old_version
[major, minor, patch] = map(int, [major, minor, patch])
else:
print(
f"WARNING: git describe returned invalid semver version: \"{describe}\""
)
sys.exit(1)
old_version_revision = exec(["git", "log", "--pretty=%H", "-1", describe])
head_revision = exec(["git", "log", "--pretty=%H", "-1", "HEAD"])
if old_version_revision == head_revision:
print(f"WARNING: HEAD already tagged as {describe}")
if not force:
sys.exit(0)
if (not simple_tag) or changelog:
previous = describe and describe + ".."
if prepend:
previous = prepend + previous
shortlog = exec(["git", "shortlog", "--no-merges", f"{previous}HEAD"])
if not shortlog:
print(f"WARNING: no shortlog")
sys.exit(1)
else:
print(f"{shortlog}")
new_version = None
if argv[0] == "patch":
patch += 1
elif argv[0] == "minor":
minor += 1
patch = 0
elif argv[0] == "major":
major += 1
minor = patch = 0
else:
new_version = argv[0]
if not new_version:
if len(old_version) == 2 and patch == 0:
new_version = f"{major}.{minor}"
else:
new_version = f"{major}.{minor}.{patch}"
if prepend and (new_version[0] != 'v'):
new_version = prepend + new_version
if os.path.exists("contrib/_incr_version"):
exec(["contrib/_incr_version", describe, new_version])
args = ["git", "tag"]
if force:
args.extend(["-f"])
if simple_tag:
args.extend(["-m", new_version, new_version])
exec(args, dry_run)
else:
with tempfile.NamedTemporaryFile() as f:
f.write(new_version.encode())
f.write(f"\n\n".encode())
f.write(shortlog.encode())
f.flush()
args.extend(["-F", f.name, "-a", new_version])
exec(args, dry_run)
if changelog:
changelog = io.StringIO()
changelog.write(
f"\n{new_version} ({time.strftime('%Y-%m-%d', time.localtime())})\n\n")
changelog.write(shortlog)
if dry_run:
print("+ [writing changelog]")
print(changelog.getvalue())
else:
with open("CHANGELOG", "w+") as f:
changelog.write(f.read())
f.seek(0)
f.write(changelog)
f.flush()
if push:
exec(["git", "push", "origin", "HEAD", new_version], dry_run)
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