git-spelunk.sh

#!/bin/bash

# Run git-spelunk with one or more pathname arguments from within a
# directory that contains one or more (non-bare) git repositories. 
# It will print out all commits in each repository that touch the 
# given pathname.

git-spelunk() { for repo in $( find . -name .git -exec dirname '{}' \; ) ; do (cd $repo ; echo ${repo}: ; git log --all --stat -- $*) ; done }

git-spelunk $*