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`requirements-txt-fixer` ordering breaks using --index-url and --extra-index-url together in requirements.txt

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
55/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Quiet
Tech stack
python
Domain
tooling

Research direction

Start at the requirements-txt-fixer hook entry point and trace how --index-url and --extra-index-url are ordered in requirements.txt. Check the related tests if present, then verify that --index-url remains before --extra-index-url so both settings are honored.

Written by the indexing model from the issue text.

Description

enhancement good-first-issue

If you use both the --index-url and --extra-index-url flags together in a requirements.txt file the hook will put --extra-index-url above the --index-url which causes the url set to index-url be skipped. I suppose this is because the flags are also sorted alphabetically.

Dominant language
Python
Stars
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Forks
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PR merge metrics
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