set_identities.sh

#!/bin/bash

name='John Doe'
email='[email protected]'

path=$( dirname $0 )


while [ -n "$1" ]; do
    case "$1" in
      -u)
        name="$2"
        shift 2
        ;;
      -e)
        email="$2"
        shift 2
        ;;
      *)
        repos="$repos $1"
        shift
        ;;
    esac
done

[ -n "$repos" ] || repos=$path/*


err(){
    echo $* >&2
    exit 1
}

set_identity(){
    repo=$1
    
    git -C $repo config user.name "$name" || err 'Git local config edit failed!'
    git -C $repo config user.email "$email" || err 'Git local config edit failed!'
}

for repo in $repos; do
    if ! [ -d $repo/.git ]; then
        echo "skipping: $repo" >&2
        continue
    fi
    set_identity $repo
done