Fix docker-in-docker detection for cgroups v2 by br-rhrbacek · Pull Request #3535 · pre-commit/pre-commit
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bidorffOL added a commit to bidorffOL/cap that referenced this pull request
Oct 13, 2025
It seems that using /proc/1/cgroup is now broken to detect docker. Other projects have been using /proc/1/mountinfo instead (see pre-commit/pre-commit#3535)
asottile
changed the title
Fix pre-commit unable to determine if it is in a container for Docker-in-Docker setups (pre-commit#3360)
Fix docker-in-docker detection for cgroups v2
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