⚡ Better handle DE/WM

util.sh

@@ -0,0 +1,74 @@
+#!/bin/bash
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+get_timer(){
+    echo $(date +%s)
+}
+
+# $1: start timer
+elapsed_time(){
+    echo $(echo $1 $(get_timer) | awk '{ printf "%0.2f",($2-$1)/60 }')
+}
+
+show_elapsed_time(){
+    info "Time %s: %s minutes" "$1" "$(elapsed_time $2)"
+}
+
+check_root(){
+    (( EUID == 0 )) && return
+    if type -P sudo >/dev/null; then
+        exec sudo -- "$@"
+    else
+        exec su root -c "$(printf ' %q' "$@")"
+    fi
+}
+
+check_requirements(){
+    local package="archiso"
+    #checking if application is already installed or else install with aur helpers
+    if ! pacman -Qi $package &> /dev/null; then
+        # checking which helper is installed
+        if pacman -Qi yay &> /dev/null; then
+            echo "################################################################"
+            echo "######### Installing with yay"
+            echo "################################################################"
+            yay -S --noconfirm $package
+        elif pacman -Qi trizen &> /dev/null; then
+            echo "################################################################"
+            echo "######### Installing with trizen"
+            echo "################################################################"
+            trizen -S --noconfirm --needed --noedit $package
+        fi
+
+        # Just checking if installation was successful
+        if pacman -Qi $package &> /dev/null; then
+            echo "################################################################"
+            echo "#########  "$package" has been installed"
+            echo "################################################################"
+        else
+            echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
+            echo "!!!!!!!!!  "$package" has NOT been installed"
+            echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
+            exit 1
+        fi
+    fi
+}
+
+prepare_dir(){
+    if [[ ! -d $1 ]]; then
+        mkdir -p $1
+    fi
+}
+
+create_chksums() {
+    msg2 "creating checksums for [$1]"
+    sha1sum $1 > $1.sha1
+    sha256sum $1 > $1.sha256
+}