#!/usr/bin/env bash
# Runs a command wrapped with btrfs pre-post snapshots.
date=$(date "+%Y-%m-%d-%H%M%S")
config=-.snapshot

cmd="$@"

echo -e "> Creating new pre snapshots..."
snapshot_root_nbr=$(snapper -c -.snapshot create --type=pre --cleanup-algorithm=number --print-number --description="${cmd}")
snapshot_usr_nbr=$(snapper -c usr.snapshot create --type=pre --cleanup-algorithm=number --print-number --description="${cmd}")
echo -e "> New pre snapshots created: /(${snapshot_root_nbr}) /usr(${snapshot_usr_nbr})"

eval "$cmd"

echo -e "> Creating new post snapshot..."
snapshot_root_nbr=$(snapper -c -.snapshot create --type=post --cleanup-algorithm=number --print-number --pre-number="$snapshot_root_nbr")
snapshot_usr_nbr=$(snapper -c usr.snapshot create --type=post --cleanup-algorithm=number --print-number --pre-number="$snapshot_usr_nbr")
echo -e "> New post snapshots created: /(${snapshot_root_nbr}) /usr(${snapshot_usr_nbr})"