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https://github.com/element-hq/synapse
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* Fully qualified docker image names for the main Dockerfile and Complement related. * Fully qualified docker image names for Dockerfiles associated with building Debian release artifacts. This one is harder and is separate from the other commit in case it wasn't correct or was unwanted. I decided to do the expansion on the docker images in the Dockerfile itself, instead of the various source places that build which distribution that is selected, as it would have been more invasive with the scripts breaking up the string for tagging and such. This one is untested. * Changelog * Update docker/Dockerfile-workers * Update docker/complement/Dockerfile --------- Co-authored-by: reivilibre <olivier@librepush.net>
226 lines
6.8 KiB
Python
Executable file
226 lines
6.8 KiB
Python
Executable file
#!/usr/bin/env python3
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# Build the Debian packages using Docker images.
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#
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# This script builds the Docker images and then executes them sequentially, each
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# one building a Debian package for the targeted operating system. It is
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# designed to be a "single command" to produce all the images.
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#
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# By default, builds for all known distributions, but a list of distributions
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# can be passed on the commandline for debugging.
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import argparse
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import json
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import os
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import signal
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import subprocess
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import sys
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import threading
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from concurrent.futures import ThreadPoolExecutor
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from types import FrameType
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from typing import Collection, Optional, Sequence, Set
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# These are expanded inside the dockerfile to be a fully qualified image name.
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# e.g. docker.io/library/debian:bullseye
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DISTS = (
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"debian:buster", # oldstable: EOL 2022-08
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"debian:bullseye",
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"debian:bookworm",
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"debian:sid",
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"ubuntu:focal", # 20.04 LTS (our EOL forced by Py38 on 2024-10-14)
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"ubuntu:jammy", # 22.04 LTS (EOL 2027-04)
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"ubuntu:kinetic", # 22.10 (EOL 2023-07-20)
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"ubuntu:lunar", # 23.04 (EOL 2024-01)
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)
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DESC = """\
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Builds .debs for synapse, using a Docker image for the build environment.
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By default, builds for all known distributions, but a list of distributions
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can be passed on the commandline for debugging.
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"""
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projdir = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
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class Builder(object):
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def __init__(
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self,
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redirect_stdout: bool = False,
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docker_build_args: Optional[Sequence[str]] = None,
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):
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self.redirect_stdout = redirect_stdout
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self._docker_build_args = tuple(docker_build_args or ())
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self.active_containers: Set[str] = set()
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self._lock = threading.Lock()
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self._failed = False
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def run_build(self, dist: str, skip_tests: bool = False) -> None:
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"""Build deb for a single distribution"""
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if self._failed:
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print("not building %s due to earlier failure" % (dist,))
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raise Exception("failed")
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try:
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self._inner_build(dist, skip_tests)
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except Exception as e:
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print("build of %s failed: %s" % (dist, e), file=sys.stderr)
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self._failed = True
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raise
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def _inner_build(self, dist: str, skip_tests: bool = False) -> None:
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tag = dist.split(":", 1)[1]
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# Make the dir where the debs will live.
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#
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# Note that we deliberately put this outside the source tree, otherwise
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# we tend to get source packages which are full of debs. (We could hack
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# around that with more magic in the build_debian.sh script, but that
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# doesn't solve the problem for natively-run dpkg-buildpakage).
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debsdir = os.path.join(projdir, "../debs")
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os.makedirs(debsdir, exist_ok=True)
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if self.redirect_stdout:
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logfile = os.path.join(debsdir, "%s.buildlog" % (tag,))
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print("building %s: directing output to %s" % (dist, logfile))
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stdout = open(logfile, "w")
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else:
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stdout = None
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# first build a docker image for the build environment
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build_args = (
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(
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"docker",
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"build",
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"--tag",
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"dh-venv-builder:" + tag,
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"--build-arg",
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"distro=" + dist,
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"-f",
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"docker/Dockerfile-dhvirtualenv",
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)
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+ self._docker_build_args
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+ ("docker",)
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)
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subprocess.check_call(
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build_args,
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stdout=stdout,
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stderr=subprocess.STDOUT,
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cwd=projdir,
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)
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container_name = "synapse_build_" + tag
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with self._lock:
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self.active_containers.add(container_name)
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# then run the build itself
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subprocess.check_call(
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[
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"docker",
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"run",
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"--rm",
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"--name",
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container_name,
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"--volume=" + projdir + ":/synapse/source:ro",
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"--volume=" + debsdir + ":/debs",
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"-e",
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"TARGET_USERID=%i" % (os.getuid(),),
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"-e",
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"TARGET_GROUPID=%i" % (os.getgid(),),
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"-e",
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"DEB_BUILD_OPTIONS=%s" % ("nocheck" if skip_tests else ""),
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"dh-venv-builder:" + tag,
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],
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stdout=stdout,
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stderr=subprocess.STDOUT,
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)
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with self._lock:
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self.active_containers.remove(container_name)
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if stdout is not None:
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stdout.close()
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print("Completed build of %s" % (dist,))
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def kill_containers(self) -> None:
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with self._lock:
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active = list(self.active_containers)
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for c in active:
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print("killing container %s" % (c,))
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subprocess.run(
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[
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"docker",
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"kill",
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c,
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],
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stdout=subprocess.DEVNULL,
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)
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with self._lock:
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self.active_containers.remove(c)
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def run_builds(
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builder: Builder, dists: Collection[str], jobs: int = 1, skip_tests: bool = False
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) -> None:
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def sig(signum: int, _frame: Optional[FrameType]) -> None:
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print("Caught SIGINT")
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builder.kill_containers()
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signal.signal(signal.SIGINT, sig)
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with ThreadPoolExecutor(max_workers=jobs) as e:
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res = e.map(lambda dist: builder.run_build(dist, skip_tests), dists)
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# make sure we consume the iterable so that exceptions are raised.
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for _ in res:
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pass
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(
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description=DESC,
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)
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parser.add_argument(
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"-j",
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"--jobs",
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type=int,
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default=1,
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help="specify the number of builds to run in parallel",
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)
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parser.add_argument(
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"--no-check",
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action="store_true",
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help="skip running tests after building",
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)
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parser.add_argument(
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"--docker-build-arg",
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action="append",
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help="specify an argument to pass to docker build",
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)
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parser.add_argument(
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"--show-dists-json",
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action="store_true",
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help="instead of building the packages, just list the dists to build for, as a json array",
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)
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parser.add_argument(
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"dist",
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nargs="*",
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default=DISTS,
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help="a list of distributions to build for. Default: %(default)s",
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)
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args = parser.parse_args()
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if args.show_dists_json:
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print(json.dumps(DISTS))
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else:
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builder = Builder(
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redirect_stdout=(args.jobs > 1), docker_build_args=args.docker_build_arg
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)
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run_builds(
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builder,
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dists=args.dist,
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jobs=args.jobs,
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skip_tests=args.no_check,
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)
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