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sane-reclaim-disk-space: tell the user about nix profile options

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Colin 2024-05-20 20:45:58 +00:00
parent 4834b61188
commit cda70b2a16
1 changed files with 10 additions and 4 deletions
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14
pkgs/additional/sane-scripts/src/sane-reclaim-disk-space
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@ -5,14 +5,20 @@
# some of this is documented here:
# - <https://nixos.wiki/wiki/Storage_optimization>
if [ "$(id -u)" -ne 0 ]; then
echo 'must be run as root!'
fi
set -xeu
# scan the store and hard-link identical files
# nix-store --optimise
# TODO: `nix-store --gc`?
nix-collect-garbage --delete-older-than 30d
if [ "$(id -u)" -ne 0 ]; then
echo "now re-run as root to free old system-level generations"
fi
set +x
echo 'to free more space (e.g. boot space), manually manage the profiles'
echo '- nix-env --profile /nix/var/nix/profiles/system --list-generations'
echo '- nix-env --profile /nix/var/nix/profiles/system --delete-generations {first..last}'
echo '- sudo sane-reclaim-boot-space`