#33246: --squashed-name can overwrite existing migration files
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Reporter: AndrewN | Owner: nobody
Type: Bug | Status: new
Component: Migrations | Version: dev
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 1
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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`squashmigrations --squashed-name initial myapp 0002` will overwrite
`0001_initial.py`. If that migration has already been applied anywhere,
the code and the database will be in an inconsistent state. Furthermore,
the `0002_...` migration likely depends on `0001_initial`, so the new
`replaces = …0002…` line added to `0001_initial.py` introduces a
`CircularDependencyError`.
`squashmigrations` should exit with an error instead of overwriting
existing migration files.
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Ticket URL: <https://code.djangoproject.com/ticket/33246>
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