print the currently active git branch as part of the prompt

print_git_branch

## (c) miraculixx 2013
##
## PROVIDED WITH NO WARRANTY OF ANY KIND. NOT FIT FOR PRODUCTION USE.
##
## add this to your ~/.bashrc
## if there is an active git repository in the current directory
## your prompt will show as (branch)$PS1
## where "branch" is the name of the currently active git branch and $PS1 is your normal print
## branch will be printed in green. Change the 1;32 part of the prompt to show a different color (e.g. 1;31 = red)

# show active git branch
gb() {
 # >nul will ignore any error messages
 # printf will print this without a new line
 git branch 2>/dev/null | grep "*" | awk '{ printf "(\033[1;32m%s\033[0m)",$2}'
}
# activate git branch display for any git repository
export PROMPT_COMMAND=gb