github-mirror.sh

#!/bin/sh
tmp="`mktemp`"
url="https://api.github.com/users/ferrybig/repos?per_page=100"
while [ ! -z "$url" ]; do
  echo "Fetching $url..." >&2
  curl --dump-header "$tmp" "$url"
  url="`< "$tmp" grep Link | grep -oE "[a-zA-Z0-9:/?=.&_]*>; rel=.next" | cut -d'>' -f1`"
done | grep clone_url | cut -d'"' -f4 | while read url;
do
  project="`basename "$url"`"
  echo "Mirroring $project"
  if [ -d "$project" ]; 
  then
    cd "$project"
    git fetch --prune
    cd ..
  else
    git clone --mirror "$url" "$project"
  fi
done
rm "$tmp"