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maintainers/scripts/update.nix: support filling in auto-commit attributes

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We can determine all of them when attrPath is present so we might jsut as well do it.
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Jan Tojnar 2020-09-19 23:40:04 +02:00
parent 4a161ddb3b
commit b828285933
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2 changed files with 36 additions and 21 deletions
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3
doc/stdenv/stdenv.xml
View file

@ -518,6 +518,9 @@ passthru.updateScript = {
]
</programlisting>
</para>
<para>
When the returned array contains exactly one object (e.g. <literal>[{}]</literal>), keys can be omitted and will be determined automatically. Finding out <variable>newVersion</variable> requires <variable>attrPath</variable> to be present either in the update script output or passed to the <variable>passthru.updateScript</variable> attribute set.
</para>
</listitem>
</varlistentry>
</variablelist>

54
maintainers/scripts/update.py
View file

@ -81,30 +81,42 @@ async def commit_changes(name: str, merge_lock: asyncio.Lock, worktree: str, bra
await check_subprocess('git', 'commit', '--quiet', '-m', commit_message, cwd=worktree)
await check_subprocess('git', 'cherry-pick', branch)
async def check_changes(package: Dict, worktree: str, update_info: str):
if 'commit' in package['supportedFeatures']:
changes = json.loads(update_info)
else:
changes = [{}]
# Try to fill in missing attributes when there is just a single change.
if len(changes) == 1:
# Dynamic data from updater take precedence over static data from passthru.updateScript.
if 'attrPath' not in changes[0]:
if 'attrPath' in package:
changes[0]['attrPath'] = package['attrPath']
if 'oldVersion' not in changes[0]:
# update.nix is always passing oldVersion
changes[0]['oldVersion'] = package['oldVersion']
if 'newVersion' not in changes[0]:
attr_path = changes[0]['attrPath']
obtain_new_version_process = await check_subprocess('nix-instantiate', '--expr', f'with import ./. {{}}; lib.getVersion {attr_path}', '--eval', '--strict', '--json', stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE, cwd=worktree)
changes[0]['newVersion'] = json.loads((await obtain_new_version_process.stdout.read()).decode('utf-8'))
if 'files' not in changes[0]:
changed_files_process = await check_subprocess('git', 'diff', '--name-only', stdout=asyncio.subprocess.PIPE, cwd=worktree)
changed_files = (await changed_files_process.stdout.read()).splitlines()
changes[0]['files'] = changed_files
if len(changed_files) == 0:
return []
return changes
async def merge_changes(merge_lock: asyncio.Lock, package: Dict, update_info: str, temp_dir: Optional[Tuple[str, str]]) -> None:
if temp_dir is not None:
worktree, branch = temp_dir
if 'commit' in package['supportedFeatures']:
changes = json.loads(update_info)
elif 'attrPath' in package:
attr_path = package['attrPath']
obtain_new_version_process = await check_subprocess('nix-instantiate', '--expr', f'with import ./. {{}}; lib.getVersion {attr_path}', '--eval', '--strict', '--json', stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE, cwd=worktree)
new_version = json.loads((await obtain_new_version_process.stdout.read()).decode('utf-8'))
changed_files_process = await check_subprocess('git', 'diff', '--name-only', stdout=asyncio.subprocess.PIPE, cwd=worktree)
changed_files = (await changed_files_process.stdout.read()).splitlines()
if len(changed_files) > 0:
changes = [
{
'files': changed_files,
'oldVersion': package['oldVersion'],
'newVersion': new_version,
'attrPath': attr_path,
}
]
else:
changes = []
changes = await check_changes(package, worktree, update_info)
await commit_changes(package['name'], merge_lock, worktree, branch, changes)
eprint(f" - {package['name']}: DONE.")