Find substring in git bare repos

find_in_repos.sh

#!/usr/bin/env bash

set -e

ROOT=$1
PATTERN=$2

walkdir() {
        CUR_DIR=$1
        pushd $CUR_DIR > /dev/null
        for DIR in $(ls $CUR_DIR)
        do
                if [[ "$DIR" == *.git ]]
                then
                        if ! [[ "$DIR" == *.wiki.git ]]
                        then
                                find_pattern $(realpath "$DIR")
                        fi
                else
                        walkdir "$(realpath $DIR)"
                fi
        done
        popd > /dev/null
}

find_pattern() {
        CUR_REPO=$1
        pushd $CUR_REPO > /dev/null
        exit_code=0
        git grep -e "$PATTERN" HEAD 2>/dev/null || exit_code=$?
        if [ "$exit_code" -eq "0" ]
        then
           pwd
           printf "\n\n"
        fi
        popd > /dev/null
}

walkdir "$ROOT"