[WIP] Add install and uninstall scripts

README.md

@@ -16,28 +16,23 @@ non-standard core utilities.
 
         zsh
 
-  2. Set the path to the Prezto installation directory:
+  2. Clone the repository:
 
-      ZDOTDIR="${ZDOTDIR:-$HOME}"
-      PREZTO="$ZDOTDIR/.zprezto"
+        git clone --recursive https://github.com/sorin-ionescu/prezto.git "${ZDOTDIR:-$HOME}/.zprezto"
 
-  3. Clone the repository:
-
-        git clone --recursive https://github.com/sorin-ionescu/prezto.git "$PREZTO"
-
-  4. Create a new Zsh configuration by copying the Zsh configuration files
+  3. Create a new Zsh configuration by copying the Zsh configuration files
      provided:
 
         setopt EXTENDED_GLOB
-        for rcfile in "$PREZTO/runcoms/^README.md(.N); do
-          ln -s "$rcfile" "${ZDOTDIR}/.${rcfile:t}"
+        for rcfile in "${ZDOTDIR:-$HOME}"/.zprezto/runcoms/^README.md(.N); do
+          ln -s "$rcfile" "${ZDOTDIR:-$HOME}/.${rcfile:t}"
         done
 
-  5. Set Zsh as your default shell:
+  4. Set Zsh as your default shell:
 
         chsh -s /bin/zsh
 
-  6. Open a new Zsh terminal window or tab.
+  5. Open a new Zsh terminal window or tab.
 
 ### Troubleshooting
 

init.zsh

@@ -31,7 +31,7 @@ function pmodload {
   pmodules=("$argv[@]")
 
   # Add functions to $fpath.
-  fpath=(${pmodules:+$PREZTO/modules/${^pmodules}/functions(/FN)} $fpath)
+  fpath=(${pmodules:+${ZDOTDIR:-$HOME}/.zprezto/modules/${^pmodules}/functions(/FN)} $fpath)
 
   function {
     local pfunction
@@ -40,7 +40,7 @@ function pmodload {
     setopt LOCAL_OPTIONS EXTENDED_GLOB
 
     # Load Prezto functions.
-    for pfunction in $PREZTO/modules/${^pmodules}/functions/$~pfunction_glob; do
+    for pfunction in ${ZDOTDIR:-$HOME}/.zprezto/modules/${^pmodules}/functions/$~pfunction_glob; do
       autoload -Uz "$pfunction"
     done
   }
@@ -49,19 +49,19 @@ function pmodload {
   for pmodule in "$pmodules[@]"; do
     if zstyle -t ":prezto:module:$pmodule" loaded 'yes' 'no'; then
       continue
-    elif [[ ! -d "$PREZTO/modules/$pmodule" ]]; then
+    elif [[ ! -d "${ZDOTDIR:-$HOME}/.zprezto/modules/$pmodule" ]]; then
       print "$0: no such module: $pmodule" >&2
       continue
     else
-      if [[ -s "$PREZTO/modules/$pmodule/init.zsh" ]]; then
-        source "$PREZTO/modules/$pmodule/init.zsh"
+      if [[ -s "${ZDOTDIR:-$HOME}/.zprezto/modules/$pmodule/init.zsh" ]]; then
+        source "${ZDOTDIR:-$HOME}/.zprezto/modules/$pmodule/init.zsh"
       fi
 
       if (( $? == 0 )); then
         zstyle ":prezto:module:$pmodule" loaded 'yes'
       else
         # Remove the $fpath entry.
-        fpath[(r)$PREZTO/modules/${pmodule}/functions]=()
+        fpath[(r)${ZDOTDIR:-$HOME}/.zprezto/modules/${pmodule}/functions]=()
 
         function {
           local pfunction
@@ -71,7 +71,7 @@ function pmodload {
           setopt LOCAL_OPTIONS EXTENDED_GLOB
 
           # Unload Prezto functions.
-          for pfunction in $PREZTO/modules/$pmodule/functions/$~pfunction_glob; do
+          for pfunction in ${ZDOTDIR:-$HOME}/.zprezto/modules/$pmodule/functions/$~pfunction_glob; do
             unfunction "$pfunction"
           done
         }
@@ -87,8 +87,8 @@ function pmodload {
 #
 
 # Source the Prezto configuration file.
-if [[ -s "$ZDOTDIR/.zpreztorc" ]]; then
-  source "$ZDOTDIR/.zpreztorc"
+if [[ -s "${ZDOTDIR:-$HOME}/.zpreztorc" ]]; then
+  source "${ZDOTDIR:-$HOME}/.zpreztorc"
 fi
 
 # Disable color and theme in dumb terminals.

modules/completion/init.zsh

@@ -36,7 +36,7 @@ unsetopt FLOW_CONTROL      # Disable start/stop characters in shell editor.
 
 # Use caching to make completion for cammands such as dpkg and apt usable.
 zstyle ':completion::complete:*' use-cache on
-zstyle ':completion::complete:*' cache-path "$ZDOTDIR/.zcompcache"
+zstyle ':completion::complete:*' cache-path "${ZDOTDIR:-$HOME}/.zcompcache"
 
 # Case-insensitive (all), partial-word, and then substring completion.
 if zstyle -t ':prezto:module:completion:*' case-sensitive; then

modules/history/init.zsh

@@ -10,7 +10,7 @@
 # Variables
 #
 
-HISTFILE="$ZDOTDIR/.zhistory"    # The path to the history file.
+HISTFILE="${ZDOTDIR:-$HOME}/.zhistory"       # The path to the history file.
 HISTSIZE=10000                   # The maximum number of events to save in the internal history.
 SAVEHIST=10000                   # The maximum number of events to save in the history file.
 

runcoms/zlogin

@@ -8,7 +8,7 @@
 # Execute code that does not affect the current session in the background.
 {
   # Compile the completion dump to increase startup speed.
-  zcompdump="$ZDOTDIR/.zcompdump"
+  zcompdump="${ZDOTDIR:-$HOME}/.zcompdump"
   if [[ -s "$zcompdump" && (! -s "${zcompdump}.zwc" || "$zcompdump" -nt "${zcompdump}.zwc") ]]; then
     zcompile "$zcompdump"
   fi

runcoms/zshenv

@@ -10,10 +10,3 @@ if [[ "$SHLVL" -eq 1 && ! -o LOGIN ]]; then
   source "${ZDOTDIR:-$HOME}/.zprofile"
 fi
 
-#
-# Zsh
-#
-
-ZDOTDIR="${ZDOTDIR:-$HOME}"
-PREZTO="$ZDOTDIR/.zprezto"
-

runcoms/zshrc

@@ -6,8 +6,8 @@
 #
 
 # Source Prezto.
-if [[ -s "$PREZTO/init.zsh" ]]; then
-  source "$PREZTO/init.zsh"
+if [[ -s "${ZDOTDIR:-$HOME}/.zprezto/init.zsh" ]]; then
+  source "${ZDOTDIR:-$HOME}/.zprezto/init.zsh"
 fi
 
 # Customize to your needs...

tools/go.sh

@@ -0,0 +1,57 @@
+#!/bin/sh
+
+clear
+echo ""
+
+hash zsh 2>/dev/null || {
+  echo "\033[0;31mFailed : ZSH is missing\033[0m"
+  echo " ➥ Prezto does not work without ZSH. Install it first."
+  echo ""
+  exit
+}
+
+if [ -d ~/.zprezto ]
+then
+  echo "\033[0;33mYou already have prezto installed.\033[0m Upgrading..."
+  cd ~/.zprezto
+  # git pull && git submodule update --init --recursive
+  /usr/bin/env git add .
+  /usr/bin/env git commit --all --message "Commit changes before upgrade" --quiet
+  /usr/bin/env git pull --recurse-submodules
+  /usr/bin/env git submodule update
+  exit
+fi
+
+echo "\033[0;34mCloning prezto...\033[0m"
+hash git >/dev/null && /usr/bin/env git clone --recursive https://github.com/loranger/prezto.git "${ZDOTDIR:-$HOME}/.zprezto" >/dev/null 2>&1 || {
+  echo "\033[0;31mFailed : Git is not installed\033[0m"
+  os=`uname`
+  if [ "$os" == 'Linux' ]; then
+    url='http://git-scm.com/download/linux'
+  elif [ "$os" == 'Darwin' ]; then
+    url='http://brew.sh/'
+  else
+    url='http://git-scm.com/'
+  fi
+
+  echo " ➥ You should really take a look at $url"
+  exit
+}
+
+for file in $HOME/.zprezto/runcoms/z*
+do
+  rcfile=`basename $file`
+  if [ -f $HOME/.$rcfile ] || [ -h $HOME/.$rcfile ]
+  then
+    echo "\033[0;33mFound ~/.$rcfile file.\033[0m \033[0;32mMoved to ~/.$rcfile.old\033[0m";
+    mv $HOME/.$rcfile $HOME/.$rcfile.old;
+  fi
+  ln -s $file $HOME/.$rcfile
+done
+
+echo "\033[0;32mPrezto is ready\033[0m"
+
+echo "\033[0;34mNow set zsh as your default shell by typing :\033[0m"
+echo "chsh -s $(which zsh)"
+echo "\033[0;34mand start a new term.\033[0m"
+# https://raw2.github.com/loranger/prezto/master/go.sh

tools/install.zsh

@@ -0,0 +1,97 @@
+#!/bin/zsh
+
+script_name="${0:t}"
+script_version='1.0.0'
+cached_argv="${argv}"
+backup_dir="$HOME/.prezto-backup/$(date +'%Y-%m-%d-%H-%M-%S')"
+
+# Writes to standard error.
+function print-error {
+  print "${script_name}: ${@}" >&2
+}
+
+# Writes to standard output.
+function print-info {
+  print "${@}" >&1
+}
+
+# Writes version information to standard errror.
+function version {
+  print "${script_name} ${script_version}
+
+Copyright (c) 2013 Sorin Ionescu
+
+This program is free software. You may modify or distribute it
+under the terms of the MIT License." >&2
+}
+
+# Writes help to standard error.
+function help {
+  print "Usage: ${script_name} [‐option ...] archive [directory]
+
+Options:
+    -v, --version          Display version and copyright
+    -h, --help             Display this help
+
+Report bugs to <sorin.ionescu@gmail.com>." >&2
+}
+
+# Backs up existing files.
+function backup {
+  local from="$1"
+  local to="$2"
+
+  if [[ ! -e "$from" ]]; then
+    return
+  fi
+
+  mkdir -p "$to:h"
+  mv "$from" "$to"
+}
+
+# Parse switches.
+while [[ "${1}" == -* ]]; do
+    case "${1}" in
+        ( -v | --version )
+            version
+            exit 0
+        ;;
+        ( -h | --help )
+            help
+            exit 0
+        ;;
+        ( -- )
+            shift
+            break
+        ;;
+        ( -* )
+            print-error "invalid option: ${1}"
+            help
+            exit 0
+        ;;
+    esac
+done
+
+git clone --recursive https://github.com/sorin-ionescu/prezto.git "${ZDOTDIR:-$HOME}/.zprezto"
+setopt EXTENDED_GLOB
+for rcfile in "${ZDOTDIR:-$HOME}"/.zprezto/runcoms/^README.md(.N); do
+  ln -s "$rcfile" "${ZDOTDIR:-$HOME}/.${rcfile:t}"
+done
+chsh -s /bin/zsh
+
+is-true "$use_color" && printf "$FG[green]"
+printf '%s' \
+'________                  _____
+___  __ \___________________  /______
+__  /_/ /_  ___/  _ \__  /_  __/  __ \
+_  ____/_  /   /  __/_  /_/ /_ / /_/ /
+/_/     /_/    \___/_____/\__/ \____/
+'
+is-true "$use_color" && printf "$FG[cyan]"
+print
+print 'Prezto has been updated to the latest version.'
+print 'Follow me on GitHub at https://github.com/sorin-ionescu/prezto.'
+
+exec zsh
+
+

tools/uninstall.zsh

@@ -0,0 +1 @@
+#!/bin/zsh