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Event store using PostgreSQL for persistence.
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lib/mix/tasks/event_store.migrations.ex
defmodule Mix.Tasks.EventStore.Migrations do
@moduledoc """
Show the migration status of an existing EventStore database.
The event stores to inspect are the ones specified under the
`:event_stores` option in the current app configuration. However,
if the `-e` option is given, it replaces the `:event_stores` config.
## Examples
mix event_store.migrations -e MyApp.EventStore
## Command line options
* `-e`, `--eventstore` - the event store to create
* `--quiet` - do not log output
"""
use Mix.Task
import Mix.EventStore
alias EventStore.Tasks.Migrations
@shortdoc "Display Migration status of an existing EventStore database"
@switches [
eventstore: [:string, :keep],
quiet: :boolean
]
@aliases [e: :eventstore]
@doc false
def run(args) do
event_stores = parse_event_store(args)
{opts, _} = OptionParser.parse!(args, strict: @switches, aliases: @aliases)
{:ok, _} = Application.ensure_all_started(:postgrex)
{:ok, _} = Application.ensure_all_started(:ssl)
migration_status =
Enum.flat_map(event_stores, fn event_store ->
ensure_event_store!(event_store, args)
config = event_store.config()
opts =
opts
|> Keyword.put(:is_mix, true)
|> Keyword.put(:eventstore, event_store)
Migrations.exec(config, opts)
end)
if Enum.any?(migration_status, &(&1 == :pending)) do
exit({:shutdown, 1})
else
Mix.Task.reenable("event_store.migrations")
end
end
end