Update .gitlab-ci.yml; fix path for /srv/mirror/repo-mirror

7 jobs for master in 2 minutes and 16 seconds
Status Job ID Name Coverage
  Environment
passed #387199684
environment

00:00:25

 
  Build
canceled #387199687
build-bpi-r2

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canceled #387199686
build-malta

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canceled #387199685
build-rpi3

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canceled #387199689
build-rpi4

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canceled #387199688
build-x64

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  Deployment
skipped #387199690
deployment