supergit

#!/bin/bash
# Shell Script for super-respositores that executes git on all sub-repositories
# Homepage at http://www.bitweaver.org/wiki/supergit
# Licensed under the GPL
# Authors: github.com/spiderr 

function usage {
        appName=`basename $0`
        echo "Welcome to $appName. It acts on all directories in your project as if they were sub-respositories. For most commands, you simply type what you would normally for git, however you simply type $appName with desired parameters in the super-repository root of your project. For example:"
        echo "-- To clone, type '$appName git@github.com:bitweaver/bitweaver.git -b DEV testbw' which will clone, then intiliaze + update submodules and checkout the master branch for each submodule"
        echo "-- To diff, in the super repo root, type '$appName diff'"
        echo "-- To commit, in the super repo root, type '$appName commit -a'"
        echo "-- To pull, in the super repo root, type '$appName pull'"
        echo "-- To push, in the super repo root, type '$appName push origin'"
}

function apush() {
    var=$1; shift;

    if [ -n "$var" ]; then
        eval "$var+=(\"\$@\")"
    fi
}

function git_exec_subs {
        rootDir=$1
        shift
        echo "executing on all subrepositories: git $@"
        for repo in $(find $rootDir -name ".git" -exec dirname {} \;); do
                echo "# cd $repo; git $@"
                cd "$repo"; git $@
        done
}

case "$1" in
        "clone")
                eval moduleName=\$$#
                moduleName=`basename $moduleName`

                cloneParams=$@

                if [ -z $moduleName ]; then
                        moduleName='source';
                        cloneParams="$cloneParams $moduleName"
                fi

                TOP_DIR="`pwd`/$moduleName";
                echo $TOP_DIR

                echo $1 to $moduleName;
                git $cloneParams 

                cd $TOP_DIR
                git submodule init
                git submodule update

                for repo in $(find $TOP_DIR -name ".git" -exec dirname {} \;); do
                        git_exec_subs $repo submodule init
                        git_exec_subs $repo submodule update
                        git_exec_subs $repo checkout master
                done
        ;;
        "")
                usage;
        ;;
        *)
                git_exec_subs `pwd` $@;
        ;;
esac

    for i in `find -name ".git" -exec dirname {} \;`; do pushd $i ; git pull ; popd ; done

    for i in `find -name ".git" -exec dirname {} \;`; do pushd $i ; git pull ; popd ; done

Thanks Markus, the find for .git dirs is a much better plan, and get's all nested sub-repos nicely regardless of depth. I suppose this only handles one level of nested sub-repos. Somone smarter than I can figure out some awesome bash recursion to handle that efficiently.