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Re:Podman v4.6 Introduces Podmansh: A Revolutionary Login Shell by Chris660 on Sunday August 13, 2023 @08:20AM (#37109258)
In addition to the other suggestions, you might want to check-out distrobox: https://github.com/89luca89/distrobox

It provides support for starting host commands within a container, and also exporting commands from containers to the host.

Re:Podman v4.6 Introduces Podmansh: A Revolutionary Login Shell by yencabulator on Sunday August 13, 2023 @04:55PM (#37114363)
Last I looked, distrobox made $HOME fully accessible to all its containers. That's the very opposite of parent comment's "protect against the most trivial of supply chain attacks".