agenix/contrib/release

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#!/usr/bin/env nix-shell
#! nix-shell -p python3 -i python
# based off of https://git.sr.ht/~sircmpwn/dotfiles/tree/master/item/bin/semver
import os
import subprocess
import sys
import tempfile
if subprocess.run(["git", "branch", "--show-current"], stdout=subprocess.PIPE
).stdout.decode().strip() != "main":
print("WARNING! Not on the main branch.")
subprocess.run(["git", "pull", "--rebase"])
p = subprocess.run(["git", "describe", "--abbrev=0"], stdout=subprocess.PIPE)
describe = p.stdout.decode().strip()
old_version = describe.split("-")[0].split(".")
if len(old_version) == 2:
[major, minor] = old_version
[major, minor] = map(int, [major, minor])
patch = 0
else:
[major, minor, patch] = old_version
[major, minor, patch] = map(int, [major, minor, patch])
p = subprocess.run(["git", "shortlog", "--no-merges", f"{describe}..HEAD"],
stdout=subprocess.PIPE)
shortlog = p.stdout.decode()
new_version = None
if sys.argv[1] == "patch":
patch += 1
elif sys.argv[1] == "minor":
minor += 1
patch = 0
elif sys.argv[1] == "major":
major += 1
minor = patch = 0
else:
new_version = sys.argv[1]
if new_version is None:
if len(old_version) == 2 and patch == 0:
new_version = f"{major}.{minor}"
else:
new_version = f"{major}.{minor}.{patch}"
p = None
if os.path.exists("contrib/_incr_version"):
p = subprocess.run(["contrib/_incr_version", describe, new_version])
else:
print("Warning: no _incr_version script. " +
"Does this project have any specific release requirements?")
if p and p.returncode != 0:
print("Error: _incr_version returned nonzero exit code")
sys.exit(1)
with tempfile.NamedTemporaryFile() as f:
basename = os.path.basename(os.getcwd())
f.write(f"{basename} {new_version}\n\n".encode())
f.write(shortlog.encode())
f.flush()
subprocess.run(["git", "tag", "-e", "-F", f.name, "-a", new_version])
print(new_version)