Installation and portability fixes

Emacs package installation now works correctly. Added curl installer.
Removed pip3 permission errors. ".original_dotfiles" is ignored with
.gitignore. Offer possible solution when system has no git installed.

.gitignore

@@ -0,0 +1,2 @@
+.original_dotfiles
+TODO.md

CHANGELOG.md

@@ -1,3 +1,17 @@
+v1.1.1
+======
+
+Fixed
+-----
+
+- _Emacs_ installs packages without errors when they are already installed
+- Ensured execution of correct _Emacs_ init file
+- Portable upgrade of `pip3`, removed errors with permissions
+- Terminate dotfiles repository installation if git is not installed, but show
+  a possible solution by running the `new_system_packages_installer.sh`
+- `curl` installation command in Readme
+- `.original_dotfiles/` is now git-ignored
+
 v1.1.0
 ======
 

README.md

@@ -67,13 +67,21 @@ handle all the rest with an **interactive command line interface**. It installs
 the dotfiles repository in `~/Development/Dotfiles` (by default), all the
 required packages, _HomeBrew_ and _Oh My ZSH!_.
 
-**Just run the following command to download, install and activate this dotfiles
-  repository:**
+_Git_ is obviously required to clone the repository.
 
+**Just run one of the following commands** to download, install and activate this dotfiles
+  repository, either by `wget` or `curl`.
+
+##### Using `wget`
 ```bash
 bash -c "$(wget https://raw.github.com/TheMatjaz/dotfiles/master/matjaz_dotfiles_installer.sh -O -)"
 ```
 
+##### Using `curl`
+```bash
+bash -c "$(curl -fsSL https://raw.github.com/TheMatjaz/dotfiles/master/matjaz_dotfiles_installer.sh)"
+```
+
 License
 -------
 

emacs_init.el

@@ -40,7 +40,7 @@ backupFilePath
   (package-refresh-contents))
 
 ;;; List necessary/useful pakcages to be installed
-(setq my-package-list '(
+(defvar my-package-list '(
 s
 f
 2048-game
@@ -69,10 +69,14 @@ org
 pg
 popup
 yasnippet
-))
+) "A list of packages to ensure are installed at launch.")
 
-;;; Install the packages on previous list
-(mapc #'package-install my-package-list)
+;;; Install the missing packages from previous list
+(dolist (pack my-package-list)
+    (when (not (package-installed-p pack))
+        (package-install pack)))
+
+(package-initialize)
 
 ;;; ====================================================================
 ;;; EDITOR LOOK

full_system_updater.sh

@@ -65,27 +65,25 @@ esac
 # Python3 update all pip3 packages
 which pip3 2>&1 > /dev/null
 if [ $? = 0 ]; then  # if pip exists
+    echo "Updating pip3 itself. May ask for root password."
+    sudo -H pip3 install --upgrade pip
     if [[ -z $(pip3 freeze --local) ]]; then
-        echo "No pip packages installed so far. Updating only pip3 itself."
+        echo "No pip packages installed so far."
     else
         echo "Updating pip3 packages."
         pip3 freeze --local \
             | grep -v '^\-e' \
             | cut -d = -f 1  \
-            | xargs -n1 pip3 install --upgrade
+            | xargs -n1 sudo -H pip3 install --upgrade
     fi
-    pip3 install --upgrade pip || {
-        echo "Running pip3 upgrade again with sudo. Root password is needed."
-        sudo pip3 install --upgrade pip
-    }
 else
     echo "Missing pip3, skipping."
 fi
 
 # Ruby gems
 which gem 2>&1 > /dev/null
 if [ $? = 0 ]; then  # if gem exists
-    echo "Updating gem. Root password is needed."
+    echo "Updating gem. May ask for root password."
     sudo gem update --system
     sudo gem update
 else

matjaz_dotfiles_installer.sh

@@ -65,6 +65,15 @@ function pick_installation_directory() {
 # Create dotfiles directory and clone repository into it or update it, if it
 # already exists
 function install_dotfiles_repo() {
+    which git 2>&1 > /dev/null
+    if [ $? != 0 ]; then  # no git installed
+        echo "Git not found. Please install it first, the repository cannot be cloned without it. The following command should do the trick (it's basically running the option [3] - just without Git)
+    bash -c '$(wget https://raw.github.com/TheMatjaz/dotfiles/master/new_system_packages_installer.sh -O -)'
+or use curl, if you don't have wget:
+    bash -c '$(curl -fsSL https://raw.github.com/TheMatjaz/dotfiles/master/new_system_packages_installer.sh)'
+"
+        exit 1
+    fi
     mkdir -p $dotfiles_dir || {
         echo "An error occured during the creation of the repository directory. Is the path correctly formatted?
     $dotfiles_dir
@@ -161,8 +170,8 @@ function run_full_system_update() {
 function start_emacs() {
     which emacs 2>&1 > /dev/null
     if [ $? == 0 ]; then  # if emacs exists
-        echo "Making emacs start so it can evalueate the init.el file to download all required packages and set the correct configuration."
-        emacsclient --tty --alternate-editor=""
+        echo "Making emacs start so it can evaluate the emacs_init.el file to download all required packages and set the correct configuration."
+        emacsclient --tty --alternate-editor="" $dotfiles_dir/emacs_init.el
     else
         echo "Emacs not installed. Try running [3]"
         return

new_system_packages_installer.sh

@@ -44,7 +44,7 @@ case $(uname) in
     'Linux')
         if [ -f /etc/debian_version ] ; then
             echo "Debian/Ubuntu detected."
-            echo "Updating apt-get."
+            echo "Updating apt-get. It may ask you for the root password."
             sudo apt-get update
             echo "Installing the packages."
             sudo apt-get -y install build-essential git git-flow htop mc emacs zsh sqlite3 python3-pip coreutils findutils moreutils screen