build-srpm

#!/usr/bin/python3
# SPDX-FileCopyrightText: Red Hat Inc
# SPDX-License-Identifier: LGPL-2.1-or-later

import datetime
import glob
import json
import os
import subprocess


def run(*args):
    return subprocess.check_call(args)


def run_output(*args):
    return subprocess.check_output(args).decode().strip()


with open("build/meson-info/intro-projectinfo.json") as f:
    version = json.load(f)["version"]

# Get a human readable name of this commit:
# - build from tag: v2.4.5
# - build without a tag: v2.4.5-3-gc238eff
commit_name = run_output("git", "describe",  "--tags", "--match", "v[0-9]*")

if "-" in commit_name:
    # Build without a tag - make this build newer than previous build
    # with a UTC timestamp, and add commit hash to make it easy to
    # locate the commit.
    utc_timestamp = datetime.datetime.utcnow().strftime("%Y%m%d%H%M")
    commit_hash = run_output("git", "rev-parse", "--short", "HEAD")
    release = f"0.{utc_timestamp}.git{commit_hash}"
else:
    # Build from tag - make this build newer than previous builds
    # without a tag.
    release = "1"

rpm_dir = os.path.abspath("build/rpm")
sources_dir = os.path.join(rpm_dir, "SOURCES")

run("rm", "-rf", "build/meson-dist")
run("meson", "dist", "--no-tests", "--include-subprojects", "-C", "build")
run("rm", "-rf", rpm_dir)
os.makedirs(sources_dir)
run("mv", f"build/meson-dist/blkhash-{version}.tar.xz", sources_dir)

with open("blkhash.spec.in") as f:
    spec = f.read()
spec = spec.replace("@VERSION@", version)
spec = spec.replace("@RELEASE@", release)
with open("build/blkhash.spec", "w") as f:
    f.write(spec)

run("rpmbuild", "-bs", f"--define=_topdir {rpm_dir}", "build/blkhash.spec")