find-git-repos-fast

#!/bin/sh

##
# Find all git repositories in a directory.
#
# Compare the script `find-git-repos` in this same repo,
# which is a one-liner, with the tradeoff of taking 2x time.
#
# Credit:
#   * [Mike Slinn](http://stackoverflow.com/users/553865/mike-slinn)
#   * https://gist.github.com/mslinn/3151915
##

function update {
  local d="$1"
  if [ -d "$d" ]; then
    cd "$d" > /dev/null
    if [ -d ".git" ]; then
      printf `pwd`
    elif [ ! -d .svn ] && [ ! -d CVS ]; then
      scan *
    fi
    cd .. > /dev/null
  fi
}

function scan {
  for x in $*; do
    update "$x"
  done
}

function updater {
  if [ "$1" != "" ]; then cd "$1" > /dev/null; fi
  scan *
}

if [ "$1" == "" ]; then
  updater
else
  for dir in "$@"; do
    updater "$dir"
  done
fi