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[bug#34859] [PATCH] pack: "-RR" produces PRoot-enabled relocatable binar
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From: |
Ludovic Courtès |
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Subject: |
[bug#34859] [PATCH] pack: "-RR" produces PRoot-enabled relocatable binaries. |
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Date: |
Fri, 15 Mar 2019 15:44:43 +0100 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) |
Hello!
Julien Lepiller <address@hidden> skribis:
> How does it work? do you look for a proot on the system where the pack
> is unpacked, or is it included in the pack?
The pack includes ‘proot-static’, which takes approximately 1 MiB. The
‘run-in-namespace.c’ wrapper determines its own location via
/proc/self/exe; from there it determines the location of the unpacked
store, and then determines the location of the statically-linked ‘proot’
program.
So it basically automates the PRoot trick described at
<https://guix-hpc.bordeaux.inria.fr/blog/2017/10/using-guix-without-being-root/>.
Ludo’.