Minor convenience

1 job for multicore in 8 seconds
latest
Name Stage Failure
failed
lint_haskell Lint
Dockerfile.xrootd:13 DL3033 warning: Specify version with `yum install -y <package>-<version>`.
Dockerfile.xrootd:14 DL3032
warning: `yum clean all` missing after yum command.
Dockerfile.xrootd:14 DL3033
warning: Specify version with `yum install -y <package>-<version>`.
Dockerfile.xrootd:15 DL3013
warning: Pin versions in pip. Instead of `pip install <package>` use `pip install <package>==<version>` or `pip install --requirement <requirements file>`
Dockerfile.xrootd:15 DL3042
warning: Avoid use of cache directory with pip. Use `pip install --no-cache-dir <package>`
Dockerfile.xrootd:16 DL3013
warning: Pin versions in pip. Instead of `pip install <package>` use `pip install <package>==<version>` or `pip install --requirement <requirements file>`
Dockerfile.xrootd:16 DL3042
warning: Avoid use of cache directory with pip. Use `pip install --no-cache-dir <package>`
Cleaning up file based variables
ERROR: Job failed: exit code 1