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test: impermanence

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Nick 2025-11-05 00:40:03 -06:00
parent ee6b51b2de
commit c19e729f94
1 changed files with 6 additions and 6 deletions
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12
systems/ceres/config/filesystem.nix
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@ -40,10 +40,10 @@ in
mkdir -p /btrfs_tmp mkdir -p /btrfs_tmp
mount -o subvol=/ /dev/disk/by-label/root /btrfs_tmp mount -o subvol=/ /dev/disk/by-label/root /btrfs_tmp
if [[ -e /btrfs_tmp/@ ]]; then if [[ -e /btrfs_tmp/root ]]; then
mkdir -p /btrfs_tmp/@old_roots mkdir -p /btrfs_tmp/old_roots
timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/@)" "+%Y-%m-%d_%H:%M:%S") timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%d_%H:%M:%S")
mv /btrfs_tmp/@ "/btrfs_tmp/@old_roots/$timestamp" mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
fi fi
delete_subvolume_recursively() { delete_subvolume_recursively() {
@ -54,11 +54,11 @@ in
btrfs subvolume delete "$1" btrfs subvolume delete "$1"
} }
for i in $(find /btrfs_tmp/@old_roots/ -maxdepth 1 -mtime +30 2>/dev/null); do for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30 2>/dev/null); do
delete_subvolume_recursively "$i" delete_subvolume_recursively "$i"
done done
btrfs subvolume create /btrfs_tmp/@ btrfs subvolume create /btrfs_tmp/root
umount /btrfs_tmp umount /btrfs_tmp
''; '';