Commands

Run each with go run ./cmd/migrate <command>.

No database needed

Command	Does
diff <name>	Write a migration for what changed in the models
diff <name> --empty	Write an empty migration to fill by hand
diff <name> --rename a.b=c	Treat a change as a rename, repeatable
diff <name> --dry-run	Print the SQL and write nothing
check	Fail if models, snapshot, and files are out of step
snapshot	Accept the models as they are, with no migration
adopt <dump.sql>	Make a schema dump the first migration
squash [name]	Replace all migrations with one baseline, --keep to join them
schema-dump	Print the whole schema as SQL, --snapshot to use the snapshot
inspect [table]	List the tables and columns the models describe
script	Print all migrations as one idempotent file, --plain for other tools

With a database

Command	Does
up	Apply pending migrations, then changed repeatable ones
up --to <version>	Stop after this version
up --dry-run	Print what would run
status	List every migration and where it stands
drift	Compare the live database with the migrations, --sql for the fix
db-show	Summarize the live database: version, size, and tables
baseline [version]	Record migrations as applied without running them
repair	Accept changed files, clear failed runs, and forget missing files
seed [name...]	Run seeders
reset	Delete everything and apply all migrations, --seed to seed too

These take --dsn, and otherwise read DATABASE_URL, then Config.DSN.