4f3a4b732c
I saw this random failure in https://hydra.nixos.org/build/211811692: error: opening /proc/15307/fd: No such process while running nix-collect-garbage in a readfile-context.sh. This is because we're not handling ESRCH errors reading /proc/<pid>/fd. So just move the read inside the try/catch where we do handle it.
Nix
Nix is a powerful package manager for Linux and other Unix systems that makes package management reliable and reproducible. Please refer to the Nix manual for more details.
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