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llvmPackages_git: Abort updates if no new version is available

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No need to fetch the source tarball in this case.
This commit is contained in:
Michael Weiss 2021-06-20 13:23:58 +02:00
parent 34e5bf44fb
commit 5bda21e362
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GPG key ID: 5BE487C4D4771D83
1 changed files with 18 additions and 2 deletions
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20
pkgs/development/compilers/llvm/update-git.py
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@ -7,12 +7,16 @@ import json
import os import os
import re import re
import subprocess import subprocess
import sys
from codecs import iterdecode from codecs import iterdecode
from datetime import datetime from datetime import datetime
from urllib.request import urlopen, Request from urllib.request import urlopen, Request
DEFAULT_NIX = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'git/default.nix')
def get_latest_chromium_build(): def get_latest_chromium_build():
HISTORY_URL = 'https://omahaproxy.appspot.com/history?os=linux' HISTORY_URL = 'https://omahaproxy.appspot.com/history?os=linux'
print(f'GET {HISTORY_URL}') print(f'GET {HISTORY_URL}')
@ -39,6 +43,16 @@ def get_commit(ref):
return json.loads(http_response.read().decode()) return json.loads(http_response.read().decode())
def get_current_revision():
"""Get the current revision of llvmPackages_git."""
with open(DEFAULT_NIX) as f:
for line in f:
rev = re.search(r'^ rev = "(.*)";', line)
if rev:
return rev.group(1)
sys.exit(1)
def nix_prefetch_url(url, algo='sha256'): def nix_prefetch_url(url, algo='sha256'):
"""Prefetches the content of the given URL.""" """Prefetches the content of the given URL."""
print(f'nix-prefetch-url {url}') print(f'nix-prefetch-url {url}')
@ -55,13 +69,15 @@ clang_revision = re.search(r"^CLANG_REVISION = '(.+)'$", clang_update_script, re
clang_commit_short = re.search(r"llvmorg-[0-9]+-init-[0-9]+-g([0-9a-f]{8})", clang_revision).group(1) clang_commit_short = re.search(r"llvmorg-[0-9]+-init-[0-9]+-g([0-9a-f]{8})", clang_revision).group(1)
release_version = re.search(r"^RELEASE_VERSION = '(.+)'$", clang_update_script, re.MULTILINE).group(1) release_version = re.search(r"^RELEASE_VERSION = '(.+)'$", clang_update_script, re.MULTILINE).group(1)
commit = get_commit(clang_commit_short) commit = get_commit(clang_commit_short)
if get_current_revision() == commit["sha"]:
print('No new update available.')
sys.exit(0)
date = datetime.fromisoformat(commit['commit']['committer']['date'].rstrip('Z')).date().isoformat() date = datetime.fromisoformat(commit['commit']['committer']['date'].rstrip('Z')).date().isoformat()
version = f'unstable-{date}' version = f'unstable-{date}'
print('Prefetching source tarball...') print('Prefetching source tarball...')
hash = nix_prefetch_url(f'https://github.com/llvm/llvm-project/archive/{commit["sha"]}.tar.gz') hash = nix_prefetch_url(f'https://github.com/llvm/llvm-project/archive/{commit["sha"]}.tar.gz')
print('Updating default.nix...') print('Updating default.nix...')
default_nix = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'git/default.nix') with fileinput.FileInput(DEFAULT_NIX, inplace=True) as f:
with fileinput.FileInput(default_nix, inplace=True) as f:
for line in f: for line in f:
result = re.sub(r'^ release_version = ".+";', f' release_version = "{release_version}";', line) result = re.sub(r'^ release_version = ".+";', f' release_version = "{release_version}";', line)
result = re.sub(r'^ rev = ".*";', f' rev = "{commit["sha"]}";', result) result = re.sub(r'^ rev = ".*";', f' rev = "{commit["sha"]}";', result)