#!/usr/bin/env zsh

rootdir=$HOME/Sites/webroot

function log {
    print -P -- $*
}
function debug {
    print -- $*
    eval $*
    (( $? == 0 )) || { exit 1 }
}

current_branch=$(git branch | egrep '^\*' | awk '{print $2}')

cd $rootdir || { print -- "Unable to go to $HOME/Sites/webroot"; exit 1 }
git co master || { exit 1 }
git pull || { exit 1 }
if [[ $1 = '--unsafe' ]]; then
   log "UNSAFE no compilation"
else
    # empty regen depencies cache because of a bug
    \rm -f ./tmp/*(N)
    ./tasks/recompile
fi

if git status | grep 'nothing to commit'>/dev/null 2>&1; then 
else
    git add .
    git commit -m "regeneration" 
fi

log "tar creation"
ghroot=/tmp/ghroot$$
mkdir $ghroot
debug mv output/index.html $ghroot
debug mv output/* $ghroot
debug cd $ghroot
debug cp Scratch/en/error/404-not_found/index.html ./404.html
echo "yannesposito.com" > CNAME
debug tar cf ghroot.tar *

debug cd $rootdir

# update & push gh-pages
log "Update and push gh-pages"
debug git co gh-pages
debug git pull
debug \rm -rf *(N)
debug tar xf $ghroot/ghroot.tar
debug git add .
debug git commit -m '"updated website"'
debug git push origin gh-pages:gh-pages
debug git co $current_branch

# rm -rf $ghroot