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migrate --list is now read-only

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pending() and applied() no longer create the _sqlite_migrations
table or perform the one-way legacy schema upgrade - that now only
happens in apply(). The CLI --list path no longer creates the
database file when it does not exist. applied() results are now
explicitly ordered by insertion.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UnLnhsH25Nnv7LHhekUfPd
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Claude 2026-07-04 19:10:56 +00:00
commit 30cc95c0a6
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6 changed files with 67 additions and 15 deletions
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12
sqlite_utils/cli.py
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@ -3387,13 +3387,19 @@ def migrate(db_path, migrations, stop_before, list_, verbose):
if not migration_sets:
raise click.ClickException("No migrations.py files found")
db = sqlite_utils.Database(db_path)
_register_db_for_cleanup(db)
if list_:
if pathlib.Path(db_path).exists():
db = sqlite_utils.Database(db_path)
else:
# Listing is read-only - don't create the database file
db = sqlite_utils.Database(memory=True)
_register_db_for_cleanup(db)
_display_migration_list(db, migration_sets)
return
db = sqlite_utils.Database(db_path)
_register_db_for_cleanup(db)
prev_schema = db.schema
if verbose:
click.echo("Migrating {}".format(db_path))