How to generate a stango website in git post-receive hook

config

# Git repository configuration for a detached worktree.
#
# Create a bare repository:
#
#     $ git init --bare
#
# Then change the config to match this file.

[core]
        repositoryformatversion = 0
        filemode = true
        bare = false
        worktree = /path/to/detached/worktree
[receive]
        denycurrentbranch = ignore

post-receive

#!/bin/sh

SRC="/path/to/detached/worktree"
DEST="/var/www"
BRANCH="master"

STANGO="/path/to/stango"

# If you're using virtualenv
. /path/to/virtualenv/bin/activate

REF="refs/heads/$BRANCH"

set -e
while read old new ref; do
    if [ "$ref" = "$REF" ]; then
        updated=1
    fi
done
[ -z "$updated" ] && exit

echo "Building..."
exec >/dev/null

git checkout -f
git clean -f -d -x

cd $SRC
PYTHONPATH=$STANGO $STANGO/bin/stango generate out

# Use rsync -c to only copy modified files, --del to delete files that don't exist anymore.
rsync -c --del out/ $DEST/