bors 85a52ce20e Auto merge of #7242 - ehuss:vendor-ignore-dot, r=alexcrichton
`cargo vendor`: Don't delete hidden top-level files.

`cargo vendor` (without `--no-delete`) will delete all files in the `vendor/` directory when it starts. This changes it so that it will skip any entries starting with a dot. This allows one to track the vendor directory with a source control system like git.

Closes #7109

(Note: two commits, one is a test change.)
2019-08-13 22:47:50 +00:00
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