Add more tests during installation

install.sh

@@ -1,25 +1,135 @@
 #!/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'
 
-say "${GRE}"
-say "::: Installing i3blocks"
-say "::: Checking if i3 is installed"
-i3 -v &> /dev/null
-[[ $? -ne 0 ]] && say "${RED}::: Please install i3 and restart this setup${NOR}\n" && exit 1
-say "::: Checking if i3blocks is installed"
-i3blocks -V &> /dev/null
-[[ $? -ne 0 ]] && say "${RED}::: Please install i3blocks and restart this setup${NOR}\n" && exit 1
-say "::: Checking if the directory ~/.config/i3blocks already exists"
-[[ -d "$HOME/.config/i3blocks" ]] && say "::: Moving ~/.config/i3blocks to ~/.config/i3blocks.bak" && mv "$HOME/.config/i3blocks"{,.bak} >/dev/null 2>/dev/null
+green
+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 git is installed
+orange
+say "::: Check if 'git' is installed"
+git --version >/dev/null 2>/dev/null
+if [[ $? -ne 0 ]]; then
+    red
+    say "::: Nope, please install 'git' and restart this setup."
+    normal
+    exit 1
+else
+    green
+    say "::: Yes, moving on."
+fi
+
+##### check if ~/.config/i3blocks already exists is empty
+orange
+say "::: Check if ~/.config/i3blocks exists"
+if [[ -d "$HOME/.config/i3blocks" ]]; then
+    say "::: Yes, moving to ~/.config/i3blocks.bak"
+    mv "$HOME/.config/i3blocks"{,.bak} >/dev/null 2>/dev/null
+    if [[ $? -ne 0 ]]; then
+        red
+        say "::: Error during moving. Please move it manually and restart this setup."
+        normal
+        exit 1
+    else
+        green
+        say "::: Done"
+    fi
+fi
+
+
+#### download simple-i3blocks
+orange
 say "::: Downloading simple-i3blocks to ~/.config/i3blocks"
 git clone https://will.kein.hk/git/koksnuss/simple-i3blocks.git ~/.config/i3blocks &> /dev/null
+if [[ $? -ne 0 ]]; then
+    red
+    say "::: Error during cloning."
+    normal
+    exit 1
+else
+    green
+    say "::: Yes, moving on."
+fi
+
+#### masking blocks as executable
+say "::: Mask i3-blocks executable"
 cd "$HOME/.config/i3blocks/modules"
-say "::: Masking modules as execulatbles"
+if [[ $? -ne 0 ]]; then
+    red
+    say "::: Error, could not move to $HOME/.config/i3blocks/modules ."
+    normal
+    exit 1
+else
+    green
+    say "::: Yes, moving on."
+fi
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-say "::: Finished, please reload i3. Normally you can do this with the shortcut MOD+SHIFT+R"
-say "${NOR}"
+if [[ $? -ne 0 ]]; then
+    red
+    say "::: Error, could not mask the blocks executable."
+    normal
+    exit 1
+else
+    green
+    say "::: Yes, moving on."
+fi
+
+##### finish
+say "::: Succesfully finished. Please put 'status_command i3blocks' inside the 'bar{ ... }' statement in '.config/i3/config' and reload i3. Normally you can relade 'i3' with the shortcut MOD+SHIFT+R"
+normal
+exit 0