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upgrade-zulip-from-git: Fetch tags from upstream repository. 

This ensures that the `git describe` queries that we run for caching
Zulip's Git version are guaranteed to include recent releases.

This change ensures that we have accurate output even if we're pointed
at a fork of Zulip that never updates its tags.

Additionally, it will make it possible to record the
`git merge-base upstream/master` in future commits.

Note that because we run this code before unpacking the new version,
the pre-upgrade version of this code runs.

As a result, we cannot assume that the upstream repository exists.
This commit is contained in:
Tim Abbott 2021-05-06 12:49:07 -07:00
parent b829b95108
commit 03420831b0
1 changed files with 15 additions and 5 deletions
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20
scripts/lib/upgrade-zulip-from-git
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@ -25,9 +25,8 @@ from scripts.lib.zulip_tools import (
config_file = get_config_file()
deploy_options = get_deploy_options(config_file)
remote_url = get_config(
config_file, "deployment", "git_repo_url", "https://github.com/zulip/zulip.git"
)
upstream_url = "https://github.com/zulip/zulip.git"
remote_url = get_config(config_file, "deployment", "git_repo_url", upstream_url)
assert_running_as_root(strip_lib_from_paths=True)
@ -58,6 +57,8 @@ get_deployment_lock(error_rerun_script)
try:
deploy_path = make_deploy_path()
# Populate LOCAL_GIT_CACHE_DIR with both the requested remote and zulip/zulip.
if not os.path.exists(LOCAL_GIT_CACHE_DIR):
logging.info("Cloning the repository")
subprocess.check_call(
@ -67,13 +68,22 @@ try:
if os.stat(LOCAL_GIT_CACHE_DIR).st_uid == 0:
subprocess.check_call(["chown", "-R", "zulip:zulip", LOCAL_GIT_CACHE_DIR])
logging.info("Fetching the latest commits")
os.chdir(LOCAL_GIT_CACHE_DIR)
subprocess.check_call(
["git", "remote", "set-url", "origin", remote_url], preexec_fn=su_to_zulip
)
subprocess.check_call(["git", "fetch", "-q", "--tags"], preexec_fn=su_to_zulip)
# Ensure upstream remote is configured; we need this to make `git describe` accurate.
remotes = subprocess.check_output(["git", "remote"], preexec_fn=su_to_zulip).split(b"\n")
if b"upstream" not in remotes:
subprocess.check_call(
["git", "remote", "add", "upstream", remote_url], preexec_fn=su_to_zulip
)
logging.info("Fetching the latest commits")
subprocess.check_call(["git", "fetch", "-q", "--tags", "--all"], preexec_fn=su_to_zulip)
# Generate the deployment directory via git clone from our local repository.
subprocess.check_call(
["git", "clone", "-q", "-b", refname, LOCAL_GIT_CACHE_DIR, deploy_path],
stdout=open("/dev/null", "w"),