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added error handling to ephemeral.nix

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This commit is contained in:
William 2025-10-15 20:07:51 -03:00
parent 4b5426885c
commit d655099d76
1 changed files with 12 additions and 2 deletions
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14
modules/ephemeral.nix
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@ -45,8 +45,13 @@ in
RemainAfterExit = true;
};
script = ''
set -euo pipefail
mkdir /btrfs_tmp
mount ${cfg.rootDevice} /btrfs_tmp
if ! mount ${cfg.rootDevice} /btrfs_tmp; then
echo "ERROR: Failed to mount ${cfg.rootDevice}"
exit 1
fi
if [[ -e /btrfs_tmp/${cfg.rootSubvolume} ]]; then
mkdir -p /btrfs_tmp/old_roots
@ -66,7 +71,12 @@ in
delete_subvolume_recursively "$i"
done
btrfs subvolume create /btrfs_tmp/${cfg.rootSubvolume}
if ! btrfs subvolume create /btrfs_tmp/${cfg.rootSubvolume}; then
echo "ERROR: Failed to create subvolume ${cfg.rootSubvolume}"
umount /btrfs_tmp
exit 1
fi
umount /btrfs_tmp
'';
};