Migration: Fail if the sequence contains out of order or duplicate numbers

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
68/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Active
Tech stack
php
Domain
database

Research direction

Start at the migrator and trace how it discovers and orders numbered migration files. Reproduce a directory containing duplicate or out-of-order numbers, then verify the migrator fails instead of running only the first duplicate it finds.

Written by the indexing model from the issue text.

Description

If there's two numbered files of the same number, the migrator will attempt to run just the first it finds, but it should fail.

Dominant language
PHP
Stars
4
Forks
3
PR merge metrics
No merged PRs in 30d

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