refractor create check function

install.sh

@@ -1,79 +1,47 @@
 #!/bin/bash
 
+
 # print helper functions for safe output
 say () { printf %s\\n "$*" ; }
 sayn ()   { printf %s "$*" ; }
 
-## colors
-# use ANSI escape codes
-normal () { printf '\033[0m'    ; }
-black ()  { printf '\033[0;30m' ; }
-red ()	  { printf '\033[0;31m' ; }
-green ()  { printf '\033[0;32m' ; }
-brown ()  { printf '\033[0;33m' ; }
-orange () { printf '\033[0;33m' ; }
-blue ()   { printf '\033[0;34m' ; }
-purple () { printf '\033[0;35m' ; }
-cyan ()   { printf '\033[0;36m' ; }
-gray ()   { printf '\033[0;37m' ; }
-grey ()   { printf '\033[1;30m' ; }
-lred ()   { printf '\033[1;31m' ; }
-lgreen () { printf '\033[1;32m' ; }
-yellow () { printf '\033[1;33m' ; }
-lblue ()  { printf '\033[1;34m' ; }
-lpurple (){ printf '\033[1;35m' ; }
-lcyan ()  { printf '\033[1;36m' ; }
-white ()  { printf '\033[1;37m' ; }
 
-GRE='\033[0;32m'
-RED='\033[0;31m'
-NOR='\033[0m'
+# colors, use ANSI escape codes
+normal () { printf '\033[0m'; }
+red () { printf '\033[0;31m'; }
+green () { printf '\033[0;32m'; }
+orange () { printf '\033[0;33m'; }
 
+
+# check function
+check () {
+    orange
+    say "::: Check if, $1 is installed"
+    whereis $1 >/dev/null 2>/dev/null
+    if [[ $? -ne 0 ]]; then
+        red
+        say "::: Error, $1 is not installed. Please install it and restart the setup."
+        normal
+        exit 1
+    else
+        green
+        say "::: $1 is installed, moving on"
+        normal
+    fi
+}
+
+##### MAIN BEGINN
 green
-say "::: Installing i3blocks:"
+say "::: Installing i3blocks"
 
-##### check if i3 is installed
-orange
-say "::: Check if 'i3' is installed"
-i3 -v >/dev/null 2>/dev/null
-if [[ $? -ne 0 ]]; then
-   red
-   say "::: Nope, please install 'i3' and restart this setup."
-   normal
-   exit 1
-else
-    green
-    say "::: Yes, moving on."
-fi
 
-##### check if i3blocks is installed
-orange
-say "::: Check if 'i3blocks' is installed"
-i3blocks -V >/dev/null 2>/dev/null
-if [[ $? -ne 0 ]]; then
-    red
-    say "::: Nope, please install 'i3blocks' and restart this setup."
-    normal
-    exit 1
-else
-    green
-    say "::: Yes, moving on."
-fi
+##### check if neccessary dependencies are installed
+check i3
+check i3blocks
+check git
 
-##### check if git is installed
-orange
-say "::: Check if 'git' is installed"
-git --version >/dev/null 2>/dev/null
-if [[ $? -ne 0 ]]; then
-    red
-    say "::: Nope, please install 'git' and restart this setup."
-    normal
-    exit 1
-else
-    green
-    say "::: Yes, moving on."
-fi
 
+exit 0
 ##### check if ~/.config/i3blocks already exists is empty
 orange
 say "::: Check if ~/.config/i3blocks exists"