FORMAT:
(branch-name status-indicators [divergence]) last-commit-date last-commit-message
where:
'*' character indicates that the working tree differs from HEAD (per .gitignore)
'!' character indicates that some tracked files have changed
'?' character indicates that some new or untracked files exist
'+' character indicates that some changes are staged for commit
'$' character indicates that a stash exists
[n<-->n] indicates the number of commits behind and ahead of upstream
USAGE:
# ~/.bashrc
source /path/to/git-status-prompt/git-status-prompt.sh
PS1="\$(GitStatusPrompt)"
# this script can be sluggish in repos with a large number of commits
# such directories may be listed in a file named 'ignore_dirs' to avoid processing