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sane-reclaim-disk-space: note to run as root

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Colin 2024-02-26 15:25:12 +00:00
parent dd6e1c5e38
commit afd52014d1
1 changed files with 4 additions and 5 deletions
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9
pkgs/additional/sane-scripts/src/sane-reclaim-disk-space
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@ -1,5 +1,6 @@
#!/usr/bin/env nix-shell
#!nix-shell -i bash -p nix
# script to reclaim some hard drive space
# some of this is documented here:
# - <https://nixos.wiki/wiki/Storage_optimization>
@ -12,8 +13,6 @@ set -xeu
# TODO: `nix-store --gc`?
nix-collect-garbage --delete-older-than 30d
# TODO: could use dduper: https://github.com/Lakshmipathi/dduper
# like rmlint, but better perf for btrfs (checksum tests)
# likely also better compression, on account of being block-based instead of whole-file based.
# however, not clearly actively maintained; uses custom btrfs-progs patch; riskier
# might not currently build on nix: https://github.com/NixOS/nixpkgs/issues/175730
if [ "$(id -u)" -ne 0 ]; then
echo "now re-run as root to free old system-level generations"
fi