Perform a specific git operation on every repository residing in a child directory of the current working directory

git-bulk

#!/bin/sh

# XXX: Hack to get to the cwd of the parent process
test "X$GIT_PREFIX" = X || cd -- "$GIT_PREFIX"

# Only return 0 if *everything* succeeds
rc=0

# Output a nice header to separate this command from the others
cat <<EOF
-------------------------------------------------------------------------------
GIT BULK COMMAND STARTED: `date`
-------------------------------------------------------------------------------
EOF

# For each child directory containing a `.git' grandchild directory
ls -d */.git | while read x
do
    test -d "$x" || continue
    repo=`dirname "$x"`
    echo >&2 "=== $repo ==="

    # Navigate to that directory and do something!
    cd "$repo" && {
        git "$@" || rc=1
        cd ..
    } || rc=1
done
exit $rc