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Fix restore compat check reporting empty schema heads

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alembic.ini is a Flask-Migrate config with no script_location, so ScriptDirectory.from_config raised and _current_schema_revisions swallowed it and returned no heads. Every set then failed the subset check and was wrongly blocked as taken on a newer schema than the running code. Set script_location to the migrations directory - the same versions tree the manifest scans - so live heads resolve and compatible sets restore.
This commit is contained in:
benjamin.baker
2026-09-03 20:11:52 -04:00
parent 19071ec6c6
commit 231fd27f68
1 changed files with 7 additions and 1 deletions
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8
shopdb/core/api/shopdbbackups.py
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@@ -113,11 +113,17 @@ def _current_schema_revisions():
return {}
root = current_app.root_path
ini = os.path.join(os.path.dirname(root), 'migrations', 'alembic.ini')
migrations = os.path.join(os.path.dirname(root), 'migrations')
ini = os.path.join(migrations, 'alembic.ini')
if not os.path.isfile(ini):
return {}
try:
config = Config(ini)
# This is a Flask-Migrate project: alembic.ini carries no
# script_location (it is set at runtime), so ScriptDirectory.from_config
# would raise and leave every set reading as incompatible. Point it at
# the migrations directory - the same versions tree manifest.py scans.
config.set_main_option('script_location', migrations)
script = ScriptDirectory.from_config(config)
return {'core': list(script.get_heads())}
except Exception: