terminal_tabname.sh

## Set title on each tab
## ====================================
## Gets the repository directory
## name and current branch name
## 
## If the current directory is not a
## git repo, a tabname can be specified
## ====================================
## @usage: tabname (git)
## @usage: tabname name (non-git)
function tabname {
  if [ "$1" ]; then
    printf "\e]1;$1\a"
  elif [ -d .git ]; then
    repo=$(basename `git rev-parse --show-toplevel`)
    branch="$(git symbolic-ref --short -q HEAD)" ||
    branch="(unnamed branch)"     # detached HEAD
    printf "\e]1;("$repo") "$branch"\a"
  else
    printf "\e]1;$1\a"
  fi
}