cleanup bootstrap.sh. reorganize gitconfig.

dotfiles/lib/shellrc/aliases.sh

@@ -6,6 +6,7 @@ alias go2dotfiles='cd $(dirname `readlink -f ~/.zshrc | xargs dirname`)'
 
 # enables the sudoing of aliases.
 alias sudo='sudo '
+alias get_absolute_directory=
 
 # Detect which `ls` flavor is in use
 if ls --color > /dev/null 2>&1; then # GNU `ls`

dotfiles/lib/shellrc/functions.sh

@@ -1,15 +1,5 @@
-function parse_git_branch() {
-    ref=$(git symbolic-ref HEAD 2> /dev/null) || \
-    ref=$(git rev-parse --short HEAD 2> /dev/null) || return
-    echo ${ref#refs/heads/}
-}
-
-function git_is_dirty() {
-    ! test -z "$(git status --porcelain)"
-}
-
 function current_shell() {
-    greadlink -f $(which "$(ps -p $$ | tail -1 | awk '{print $NF}' | sed 's/\-//')")
+    readlink -f $(which "$(ps -p $$ | tail -1 | awk '{print $NF}' | sed 's/\-//')")
 }
 
 function is_zsh() {