#!/bin/sh

set -e

[ -z "${1}" ] && exit

PYSTAGIT_BASE="${PYSTAGIT_BASE:-/var/lib/git/pystagit}"
GL_REPO_BASE="${GL_REPO_BASE:-/var/lib/git/repositories}"

# shellcheck disable=SC1091
[ -f /etc/env ] && . /etc/env

run_pystagit () {
    repo_dir="${GL_REPO_BASE}/${1}.git"
    if [ -n "${2}" ]; then
        out_dir="${PYSTAGIT_BASE}-${2}/${1}"
    else
        out_dir="${PYSTAGIT_BASE}/${1}"
    fi
    mkdir -p "${out_dir}" && \
        cd "${out_dir}" && \
        /usr/bin/pystagit "${repo_dir}" && \
        ln -sf files.html index.html
}

set_url () {
    url_file="${GL_REPO_BASE}/${1}.git/url"
    if [ -n "${2}" ]; then
        echo "${2}/${1}" > "${url_file}"
    else
        echo "url not set"
        rm -f "${url_file}"
    fi
}

set_owner () {
    owner_file="${GL_REPO_BASE}/${1}.git/owner"
    if owner=$(gitolite git-config "${1}" gitweb.owner); then
        echo "setting owner for '${1}'"
        echo "${owner}" > "${owner_file}"
    else
        echo "usetting owner for '${1}'"
        rm -f "${owner_file}"
    fi
}

echo "running pystagit for '${1}'"

if gitolite access "${1}" pystagit R any; then

    set_owner "${1}"

    if [ -n "${SITES}" ]; then
        _i=1
        for site in ${SITES}; do
            url=$(printf "%s" "${URLS}" | cut -d " " -f "$_i")
            set_url "${1}" "${url}"
            run_pystagit "${1}" "${site}"
            _i=$((_i+1))
        done

    else
        url=$(printf "%s" "${URLS}" | cut -d " " -f 1)
        set_url "${1}" "${url}"
        run_pystagit "${1}" ""
    fi

else
    rm -rf "${PYSTAGIT_BASE}"*"/${1}.git"
fi