feat(script): Add colored print (#1)

pacman-zfs-snapshot.sh

@@ -31,6 +31,32 @@ if [[ ! "${snap_op_installation_suffix}" ]]; then snap_op_installation_suffix='i
 if [[ ! "${snap_op_remove_suffix}" ]]; then snap_op_remove_suffix='rmvl'; fi
 if [[ ! "${snap_op_upgrade_suffix}" ]]; then snap_op_upgrade_suffix='upgr'; fi
 
+function pprint () {
+    local style msg exit_code
+    style="${1:?}"
+    msg="${2:?}"
+    exit_code="${3}"
+
+    local color_reset color_lyellow
+    color_reset='\e[0m'
+    color_lyellow='\e[93m'
+    color_red='\e[31m'
+
+    case "${style}" in
+        warn)
+            printf -- "${color_lyellow}"'[WARN]'"${color_reset}"' %s\n' "${msg}"
+            ;;
+        err)
+            printf -- "${color_red}"'[ERR]'"${color_reset}"' %s\n' "${msg}"
+            ;;
+        *)
+            printf -- '[INFO] %s\n' "${msg}"
+            ;;
+    esac
+
+    [[ "${exit_code}" ]] && exit "${exit_code}"
+}
+
 function split_pkgs_by_importance () {
     local pkgs_in_transaction
     pkgs_in_transaction=("${@}")