Fixed bugs in the installer:

- Bytecompilation run twice
- Bash style string concat that doesn't work with sh.
- Default path was \$HOME instead of the users homedir ('' vs "").

utils/installer.sh

@@ -2,15 +2,15 @@ install_prelude () {
     printf " Cloning the repository.\n$RESET"
     if [ x$PRELUDE_VERBOSE != x ]
     then
-        /usr/bin/env git clone $PRELUDE_URL $PRELUDE_INSTALL_DIR
+	/usr/bin/env git clone $PRELUDE_URL $PRELUDE_INSTALL_DIR
     else
-        /usr/bin/env git clone $PRELUDE_URL $PRELUDE_INSTALL_DIR > /dev/null 2>&1
+	/usr/bin/env git clone $PRELUDE_URL $PRELUDE_INSTALL_DIR > /dev/null 2>&1
     fi
     if ! [ $? -eq 0 ]
     then
-        printf "$RED Unkown git error occured during installation, "
-        printf "please check the source url: $PRELUDE_URL\n$RESET"
-        exit 1
+	printf "$RED Unkown git error occured during installation, "
+	printf "please check the source url: $PRELUDE_URL\n$RESET"
+	exit 1
     fi
 }
 
@@ -20,7 +20,7 @@ make_prelude_dirs () {
     mkdir $PRELUDE_INSTALL_DIR/themes $PRELUDE_INSTALL_DIR/snippets > /dev/null 2>&1
     if ! [ $? -eq 0 ]
     then
-        printf "$RED failed to create directories.\n$RESET"
+	printf "$RED failed to create directories.\n$RESET"
     fi
 }
 
@@ -84,46 +84,46 @@ usage() {
 while [ $# -gt 0 ]
 do
     case $1 in
-        -d | --directory)
-            PRELUDE_INSTALL_DIR=$2
-            shift 2
-            ;;
-        -c | --colors)
-            colors
-            shift 1
-            ;;
-        -s | --source)
-            PRELUDE_URL=$2
-            shift 2
-            ;;
-        -i | --into)
-            PRELUDE_INTO='true'
-            shift 1
-            ;;
-        -n | --no-bytecompile)
-            PRELUDE_SKIP_BC='true'
-            shift 1
-            ;;
-        -h | --help)
-            usage
-            exit 0
-            ;;
-        -v | --verbose)
-            echo "prelude verbose $PRELUDE_VERBOSE"
-            PRELUDE_VERBOSE='true';
-            shift 1
-            ;;
-        *)
-            printf "Unkown option: $1\n"
-            shift 1
-            ;;
+	-d | --directory)
+	    PRELUDE_INSTALL_DIR=$2
+	    shift 2
+	    ;;
+	-c | --colors)
+	    colors
+	    shift 1
+	    ;;
+	-s | --source)
+	    PRELUDE_URL=$2
+	    shift 2
+	    ;;
+	-i | --into)
+	    PRELUDE_INTO='true'
+	    shift 1
+	    ;;
+	-n | --no-bytecompile)
+	    PRELUDE_SKIP_BC='true'
+	    shift 1
+	    ;;
+	-h | --help)
+	    usage
+	    exit 0
+	    ;;
+	-v | --verbose)
+	    echo "prelude verbose $PRELUDE_VERBOSE"
+	    PRELUDE_VERBOSE='true';
+	    shift 1
+	    ;;
+	*)
+	    printf "Unkown option: $1\n"
+	    shift 1
+	    ;;
     esac
 done
 
 VERBOSE_COLOR=$BBLUE
 
-[ -z $PRELUDE_URL ] && PRELUDE_URL='https://github.com/bbatsov/prelude.git'
-[ -z $PRELUDE_INSTALL_DIR ] && PRELUDE_INSTALL_DIR='$HOME/.emacs.d'
+[ -z $PRELUDE_URL ] && PRELUDE_URL="https://github.com/bbatsov/prelude.git"
+[ -z $PRELUDE_INSTALL_DIR ] && PRELUDE_INSTALL_DIR="$HOME/.emacs.d"
 
 if [ x$PRELUDE_VERBOSE != x ]
 then
@@ -133,11 +133,11 @@ then
     printf "SOURCE_URL  = $PRELUDE_URL\n"
     if [ -n $PRELUDE_SKIP_BC ]
     then
-        printf "Skipping bytecompilation.\n"
+	printf "Skipping bytecompilation.\n"
     fi
     if [ -n $PRELUDE_INTO ]
     then
-        printf "Replacing existing config (if one exists).\n"
+	printf "Replacing existing config (if one exists).\n"
     fi
     printf "$RESET"
 fi
@@ -191,13 +191,13 @@ then
     # Overwrite existing?
     if [ -n $PRELUDE_INTO ]
     then
-        # Install into existing config
-        PRELUDE_INSTALL_DIR+='/prelude'
-        install_prelude
+	# Install into existing config
+	PRELUDE_INSTALL_DIR=$PRELUDE_INSTALL_DIR"/prelude"
+	install_prelude
     else
-        # Replace existing config
-        install_prelude
-        make_prelude_dirs
+	# Replace existing config
+	install_prelude
+	make_prelude_dirs
     fi
 elif [ -e $PRELUDE_INSTALL_DIR ]
 then
@@ -217,16 +217,15 @@ if [ -z $PRELUDE_SKIP_BC ];
 then
     if which emacs 2>&1 > /dev/null
     then
-        printf " Bytecompiling Prelude.\n"
-        if [ x$PRELUDE_VERBOSE != x ]
-        then
-            emacs -batch -f batch-byte-compile $PRELUDE_INSTALL_DIR/prelude/*.el
-            emacs -batch -f batch-byte-compile "$PRELUDE_INSTALL_DIR/prelude/*.el"
-        else
-            emacs -batch -f batch-byte-compile $PRELUDE_INSTALL_DIR/prelude/*.el > /dev/null 2>&1
-        fi
+	printf " Bytecompiling Prelude.\n"
+	if [ x$PRELUDE_VERBOSE != x ]
+	then
+	    emacs -batch -f batch-byte-compile $PRELUDE_INSTALL_DIR/prelude/*.el
+	else
+	    emacs -batch -f batch-byte-compile $PRELUDE_INSTALL_DIR/prelude/*.el > /dev/null 2>&1
+	fi
     else
-        printf "$YELLOW Emacs not found.$RESET Skipping bytecompilation.\n"
+	printf "$YELLOW Emacs not found.$RESET Skipping bytecompilation.\n"
     fi
 else
     printf "Skipping bytecompilation.\n"