add install script

install.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/bash
+cd ~
+
+# get os_id for zsh installtion
+if [[ -r /etc/os-release ]]; then
+    os_id=$(grep -oP '(?<=^ID=).+' /etc/os-release | tr -d '"')
+fi
+
+# check if zsh shell installed
+if [[ ! -f "/usr/bin/zsh" || ! -f "/bin/zsh" ]]; then
+    case $os_id in
+        *arch*|*manjaro*)
+            sudo pacman -S zsh --noconfirm
+            ;;
+        *debian*|*ubuntu*|*raspbian*)
+            sudo apt install zsh -y
+            ;;
+        *)
+    esac        
+fi
+
+# check if oh my zsh installed
+if [ ! -d "~/.oh-my-zsh" ]; then
+    sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" "" --unattended
+    chsh -s $(which zsh)
+fi
+
+# install rainbow theme & alias plugin
+wget -xqO ~/.oh-my-zsh/custom/themes/rainbow.zsh-theme https://gitea.mkex.de/blacknet76/rainbow-zsh-theme/raw/branch/master/rainbow.zsh-theme
+mkdir -p ~/.oh-my-zsh/custom/plugins/rainbow-alias/
+wget -xqO ~/.oh-my-zsh/custom/plugins/rainbow-alias/rainbow-alias.plugin.zsh https://gitea.mkex.de/blacknet76/rainbow-zsh-theme/raw/branch/master/rainbow-alias.plugin.zsh
+
+# install needfull plugins
+git clone https://github.com/zsh-users/zsh-autosuggestions.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions
+git clone https://github.com/zsh-users/zsh-history-substring-search ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-history-substring-search
+git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting
+
+# set rainbow as theme
+sed -i.bak 's/^[[:space:]]*ZSH_THEME=.*/ZSH_THEME="rainbow"/' .zshrc
+# add neefull plugins
+sed -i -e 's/\(^plugins=([^)]*\)/\1 rainbow-alias zsh-autosuggestions zsh-history-substring-search zsh-syntax-highlighting/' .zshrc
+