Split zshrc file, add installation script

Installation script works for zshrc only.

install.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+set -o errexit -o nounset -o pipefail
+SCRIPT_PATH="$(dirname $(readlink -f "$0"))"
+
+if [[ $1 = zshrc || $1 = zsh ]]; then
+	echo '#This file was generated from dotfiles' > ~/.zshrc
+    echo '#All changes made here will be overwritten on update' >> ~/.zshrc
+
+    cat "$SCRIPT_PATH"/zsh/other.zsh >> ~/.zshrc
+
+    echo '# history setup --------------------------------------------------------' >> ~/.zshrc
+    cat "$SCRIPT_PATH"/zsh/history.zsh >> ~/.zshrc
+    echo '# ----------------------------------------------------------------------' >> ~/.zshrc
+    echo '' >> ~/.zshrc
+
+    echo '# key bindings ---------------------------------------------------------' >> ~/.zshrc
+    cat "$SCRIPT_PATH"/zsh/key_bindings.zsh >> ~/.zshrc
+    echo '# ----------------------------------------------------------------------' >> ~/.zshrc
+    echo '' >> ~/.zshrc
+
+    echo '# prompt setup ---------------------------------------------------------' >> ~/.zshrc
+    cat "$SCRIPT_PATH"/zsh/prompt.zsh >> ~/.zshrc
+    echo '# ----------------------------------------------------------------------' >> ~/.zshrc
+    echo '' >> ~/.zshrc
+
+    echo '# window title setup ---------------------------------------------------' >> ~/.zshrc
+    cat "$SCRIPT_PATH"/zsh/window_title.zsh >> ~/.zshrc
+    echo '# ----------------------------------------------------------------------' >> ~/.zshrc
+    echo '' >> ~/.zshrc
+
+    echo '# aliases --------------------------------------------------------------' >> ~/.zshrc
+    cat "$SCRIPT_PATH"/zsh/aliases.zsh >> ~/.zshrc
+    echo '# ----------------------------------------------------------------------' >> ~/.zshrc
+    echo '' >> ~/.zshrc
+
+    echo '# functions setup ------------------------------------------------------' >> ~/.zshrc
+    cat "$SCRIPT_PATH"/zsh/functions.zsh >> ~/.zshrc
+    echo '# ----------------------------------------------------------------------' >> ~/.zshrc
+fi

zsh/aliases.zsh

@@ -0,0 +1,13 @@
+alias ls='ls -F --color=auto'
+alias ll='ls -l --color=auto -h'
+alias la='ls -A --color=auto'
+alias lla='ll -A --color=auto -h'
+alias grep='grep --colour=auto'
+hash colordiff 2>/dev/null && alias diff='colordiff'
+
+# don't try to correct typos
+alias mkdir='nocorrect mkdir'
+alias mv='nocorrect mv'
+
+# aliases for file extensions
+alias -s txt=${EDITOR}

zsh/functions.zsh

@@ -0,0 +1,47 @@
+# cd and ls in one shot
+cdls() {
+    local dir=$1
+    test -z "$dir" && dir="$HOME"
+    cd "$dir" && ls
+}
+
+cdll() {
+    local dir=$1
+    test -z "$dir" && dir="$HOME"
+    cd "$dir" && ll
+}
+
+# classic archive extractor
+extract () {
+    if [ -f $1 ] ; then
+        case $1 in
+            *.tar.bz2) tar xvjf $1   ;;
+            *.tar.gz)  tar xvzf $1   ;;
+            *.bz2)     bunzip2 $1    ;;
+            *.rar)     unrar x $1    ;;
+            *.gz)      gunzip $1     ;;
+            *.tar)     tar xvf $1    ;;
+            *.tbz2)    tar xvjf $1   ;;
+            *.tgz)     tar xvzf $1   ;;
+            *.zip)     unzip $1      ;;
+            *.Z)       uncompress $1 ;;
+            *.7z)      7z x $1       ;;
+            *)         echo "'$1' cannot be extracted via $0" ;;
+        esac
+    else
+        echo "'$1' is not a valid file"
+    fi
+}
+
+# color man pages
+man() {
+    env \
+        LESS_TERMCAP_mb=$(printf "\e[1;31m") \
+        LESS_TERMCAP_md=$(printf "\e[1;31m") \
+        LESS_TERMCAP_me=$(printf "\e[0m") \
+        LESS_TERMCAP_se=$(printf "\e[0m") \
+        LESS_TERMCAP_so=$(printf "\e[1;44;33m") \
+        LESS_TERMCAP_ue=$(printf "\e[0m") \
+        LESS_TERMCAP_us=$(printf "\e[1;32m") \
+        man "$@"
+}

zsh/history.zsh

@@ -0,0 +1,13 @@
+HISTFILE=~/.zhistory
+HISTSIZE=2000
+SAVEHIST=2000
+setopt APPEND_HISTORY
+setopt HIST_IGNORE_ALL_DUPS
+setopt HIST_REDUCE_BLANKS # remove blank lines from history file
+# if the command starts with a whitespace, don't add it to history
+setopt HIST_IGNORE_SPACE
+# append every single command to $HISTFILE immediately after hitting ENTER
+setopt INC_APPEND_HISTORY
+# shares the histories of multiple Z-Shells; commands from one active Zsh are
+# then placed in the other shell's history
+setopt SHARE_HISTORY

zsh/key_bindings.zsh

@@ -0,0 +1,26 @@
+# don't guess preferred mode, always use emacs-style keybindings
+bindkey -e
+
+# to show hotkey symbol, press ctrl+V, than hotkey
+bindkey -M isearch '^R' history-incremental-search-backward
+bindkey -M isearch '^S' history-incremental-search-forward
+bindkey "^[[5~" history-beginning-search-backward # pg up
+bindkey "^[[6~" history-beginning-search-forward  # pg down
+
+bindkey "^[[3~" delete-char           # delete
+bindkey "^W" backward-delete-word     # delete instead of kill
+bindkey "^A" beginning-of-line
+bindkey "^E" end-of-line
+
+case $TERM in
+    rxvt|rxvt-unicode|rxvt-256color|rxvt-unicode-256color)
+        bindkey '^[Od' emacs-backward-word # ctrl + left arrow
+        bindkey '^[Oc' emacs-forward-word  # ctrl + right arrow
+        ;;
+    *)
+        bindkey '^[[1;5D' emacs-backward-word # ctrl + left arrow
+        bindkey '^[[1;5C' emacs-forward-word  # ctrl + right arrow
+        ;;
+esac
+
+export WORDCHARS='_-' # symbols, that are a part of a word

zsh/other.zsh

@@ -0,0 +1,13 @@
+typeset -U path
+path=(~/bin $path)
+
+setopt autocd      # change directory without typing cd
+setopt correctall  # correct typos
+setopt NO_BEEP
+
+# enable completion
+autoload -U compinit && compinit
+
+# use arrow keys to navigate completion suggestions
+setopt menucomplete
+zstyle ':completion:*' menu select=1 _complete _ignored _approximate

zsh/prompt.zsh

@@ -0,0 +1,17 @@
+if [[ -n "$SSH_CLIENT" || -n "$SSH2_CLIENT" ]]; then
+    if [[ $EUID == 0 ]]; then
+        PROMPT=$'%{\e[1;31m%}%~ %{\e[0m%}' # root
+    else
+        PROMPT=$'%{\e[1;33m%}%~ %{\e[0m%}' # regular user
+    fi
+    # right prompt with hostname or bad smiley
+    RPROMPT=$'%(?,%{\e[34m%}ssh %n@%m%{\e[0m%},%{\e[1;31m%}:(%{\e[0m%})'
+else # not SSH
+    if [[ $EUID == 0 ]]; then
+        PROMPT=$'%{\e[1;31m%}%~ %{\e[0m%}' # root
+    else
+        PROMPT=$'%{\e[1;32m%}%~ %{\e[0m%}' # regular user
+    fi
+    # right prompt with hostname or bad smiley
+    RPROMPT=$'%(?,%{\e[34m%}%m%{\e[0m%},%{\e[1;31m%}:(%{\e[0m%})'
+fi

zsh/window_title.zsh

@@ -0,0 +1,20 @@
+case $TERM in
+termite|*xterm*|rxvt|rxvt-unicode|rxvt-256color|rxvt-unicode-256color|(dt|k|E)term)
+    precmd ()
+    {
+        if [[ -n "$SSH_CLIENT"  ||  -n "$SSH2_CLIENT" || $EUID == 0 ]]; then
+            print -Pn "\e]0;%n@%m:%~\a"
+        else
+            print -Pn "\e]0;%~\a"   # regular user
+        fi
+    }
+    preexec ()
+    {
+        if [[ -n "$SSH_CLIENT"  ||  -n "$SSH2_CLIENT" || $EUID == 0 ]]; then
+            print -Pn "\e]0;%n@%m $1\a"
+        else
+            print -Pn "\e]0;$1\a"   # regular user
+        fi
+    }
+    ;;
+esac