git grep being scripted to run recursively top-down through all of repositories spanning from specified directory. Useful for finding sensitive commits

git-grep-recursively.sh

#!/bin/bash

if [ $# -lt 1 ]; then
	echo "Usage: ./git-grep.sh <expression> [path]"
	exit 1
fi

path=.
if [ $# -eq 2 ]; then
	path=$2
fi

echo "Expression: $1"
echo "Starting path: $path"

for a in $(find $path -name .git -type d -prune )
do
	p=$(realpath $a)/../
	echo "===========[ $a"
	git -C $p grep $1 $(git -C $p rev-list --all 2>/dev/null ) 2> /dev/null
done