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doas's one-shot password and absent 'sudo -v' kept wasting hour-long
paru AUR builds. sudo-rs is a memory-safe Rust rewrite (ISRG/Ferrous
Systems), drop-in CLI compatible, and the same one Ubuntu 25.10 ships
as default. We follow the Arch wiki 'Using sudo-rs without the sudo
package' recipe verbatim — no custom shims.
- meta/base.txt: -doas-sudo-shim +sudo-rs
- etc/sudoers-rs (mode 0440): wiki minimal config + NOPASSWD reboot/poweroff
- etc/pam.d/sudo: 4-line copy of upstream sudo's PAM file
- run_onchange_after_deploy-etc.sh.tmpl: use real sudo, deploy sudoers-rs
at 0440, create /etc/pam.d/sudo-i and /usr/local/bin/{sudo,sudoedit,
su,visudo} → sudo-rs symlinks idempotently
- delete etc/doas.conf, dot_local/bin/{doasedit,sudo}
- zshrc: drop sudo=doas/sudoedit=doasedit aliases; rewrite ss/gimme/
pacdiff/ssys to call sudo
- justfile: s/doas/sudo/g (status/diff/restore helpers)
- nvim: rename :DoasWrite → :SudoWrite (uses sudo -S)
- sway config: reboot/poweroff buttons call sudo
- bootstrap.sh: update step-5 comment
- README/KEYBINDS/copilot-instructions: flip the privesc convention
No Defaults overrides: sudo's defaults (passwd_tries=3,
timestamp_timeout=5) already fix the doas pain, and paru SudoLoop
(kept) refreshes the 5-min window via real sudo -v.
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The packaged doas-sudo-shim is just 'exec doas "$@"', which means
'sudo -v' (used by paru --sudoloop to keep the auth timestamp fresh
during long AUR builds) hits doas, which doesn't implement -v, and
the loop dies. Then when the build finally finishes and tries the real
install, the cached timestamp has long expired, so we reprompt — and
opendoas only allows one attempt before bailing, so a single mistype
throws an hour of compilation away.
Replace it (per-user, via $HOME/.local/bin precedence) with a shim
that translates:
-v -> doas true (refresh persist timestamp)
-k / -K -> doas -L (clear)
-E -H -i -S etc -> dropped (no doas equivalent)
rest -> doas "$@"
Then enable SudoLoop in paru.conf so the timestamp stays fresh.
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sommerfeld