pull-all.sh

# Git pull all the repos two levels under $PWD, 4 in parallel
# vim: ft=zsh:
function woohoo() {
  git -C "$1" pull --ff-only --recurse-submodules=yes --quiet 2>&1
  if [ ! $? ]; then
    echo "Failed: $1" 1>&2
  fi
}
export -f woohoo

PROCS=4
REPOS=$(find . -name '.git' -and -type d -depth 3 | xargs -n1 dirname)
time echo $REPOS | xargs -n 1 -P $PROCS -I % bash -c 'woohoo "$@"' _ %