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checkout.py
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checkout.py
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#!/usr/bin/env python3
# checkout.py - Checkout submodules for a build (checkout a given tag or head)
#
# Part of the Jellyfin CI system
###############################################################################
from datetime import datetime
from subprocess import run, PIPE
import sys
from git import Repo
try:
target_release = sys.argv[1]
except IndexError:
target_release = "master"
print(f"Preparing targets for {target_release}")
# Determine top level directory of this repository ("jellyfin-packaging")
revparse = run(["git", "rev-parse", "--show-toplevel"], stdout=PIPE)
revparse_dir = revparse.stdout.decode().strip()
# Prepare repo object for this repository
this_repo = Repo(revparse_dir)
# Update all the submodules
while True:
try:
this_repo.submodule_update(init=True, recursive=True)
break
except Exception as e:
print(e)
pass
# Prepare a dictionary form of the submodules so we can reference them by name
submodules = dict()
for submodule in this_repo.submodules:
submodules[submodule.name] = submodule.module()
# Validate that the provided tag is valid; if not, fall back to "master"
if target_release != "master":
if (
target_release not in submodules["jellyfin-server"].tags
or target_release not in submodules["jellyfin-web"].tags
):
print(
f"WARNING: Provided tag {target_release} is not a valid tag for both jellyfin-server and jellyfin-web; using master instead"
)
target_release = "master"
for submodule in submodules.keys():
if target_release == "master":
target_head = "origin/master"
else:
if submodule == "jellyfin-server-windows":
target_head = "origin/master"
else:
target_head = f"refs/tags/{target_release}"
# Checkout the given head and reset the working tree
submodules[submodule].head.reference = target_head
submodules[submodule].head.reset(index=True, working_tree=True)
sha = submodules[submodule].head.object.hexsha
date = datetime.fromtimestamp(submodules[submodule].head.object.committed_date)
print(f"Submodule {submodule} now at commit {sha} ({date})")
print(f"Successfully checked out submodules to ref {target_release}")