Commits on Jul 10, 2023

1. oci: Support --no-mount, to extent possible …

   Allow the `--no-mount` flag to be specified in `--oci` mode. This
   allows disabling the following mounts:
   
   * proc
   * sys
   * devpts
   * tmp
   * home
   
   Note that `dev` cannot be supported in `--oci` mode, as an OCI
   runtime *requires* that certain devices are present, and will include
   them in a `/dev` tmpfs.
   
   We currently run similar to native mode `--compat`, so we don't mount
   the current working directory. Therefore, `--no-mount cwd` is not
   supported.
   
   Similarly, `--compat` infers that `bind path` entries from
   `singularity.conf` are ignored. We may handle them in some way, in future.
   
   Fixes sylabs/singularity#1781
   
   Signed-off-by: Edita Kizinevic <edita.kizinevic@cern.ch>

   

   dtrudg authored and edytuk committed Jul 10, 2023
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