#
# Displays the current Git branch.
# Authors:
# Sorin Ionescu <sorin.ionescu@gmail.com>
if ! git rev-parse 2> /dev/null; then
print "$0: not a repository: $PWD" >&2
return 1
fi
local ref="$(git symbolic-ref HEAD 2> /dev/null)"
if [[ -n "$ref" ]]; then
print "${ref#refs/heads/}"
return 0
else
