Files
nix/hosts/common/system/configs/impermanence/scripts/stop.sh
2024-08-08 22:03:15 +03:00

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echo "Stopping impermanence mount with source: $source, target: $target, path: $path."
source_current="$source"
target_current="$target"
IFS='/' read -ra path_parts <<< "$path"
unset "path_parts[-1]"
for part in "${path_parts[@]}"; do
source_current="$source_current/$part"
target_current="$target_current/$part"
if [ ! -d "$target_current" ]; then
break
fi
if [ -d "$source_current" ]; then
continue
fi
read -r mode owner group <<< "$(stat -c '%a %u %g' "$target_current")"
install -d -m "$mode" -o "$owner" -g "$group" "$source_current"
done
source=$(realpath -m "$source/$path")
target=$(realpath -m "$target/$path")
if [ ! -e "$target" ] || { [ -d "$target" ] && [ -z "$(ls -A "$target")" ]; } || { [ -f "$target" ] && [ ! -s "$target" ]; }; then
exit 0
fi
if [ -e "$source" ]; then
>&2 echo "Error: Source $source already exists. Cannot move $target to $source."
exit 1
fi
echo "Moving target $target to source $source."
mv "$target" "$source"