sync-gists.sh

#!/bin/sh
# Pull down all gists unless there are local changes not checked in.
# For a discussion of using "git diff --exit-code", see http://stackoverflow.com/a/5139672/4263262

GISTDIR=$HOME/tmp/gists

for gist in $GISTDIR/*.gist
do
  (
    cd $gist
    git diff --exit-code && git diff --cached --exit-code && git pull --quiet
  )
done