#!/bin/sh

set -e

su-exec git env | awk -F"=" '{ print $1"=\""$2"\"" }' > /etc/env

for algorithm in rsa dsa ecdsa ed25519; do
    keyfile="/etc/ssh/keys/ssh_host_${algorithm}_key"
    [ -f "$keyfile" ] || \
        ssh-keygen -q -N '' -f "$keyfile" -t "$algorithm"
done

BASE_DIR=/var/lib/git

echo "fixing permissions..."

mkdir -p \
    "${BASE_DIR}/.gitolite/conf" \
    "${BASE_DIR}/.gitolite/hooks" \
    "${BASE_DIR}/.gitolite/keydir" \
    "${BASE_DIR}/.gitolite/logs"
chown -R git:git \
    "${BASE_DIR}/.gitolite" \
    "${BASE_DIR}/.ssh" \
    "${BASE_DIR}/pystagit"* \
    "${BASE_DIR}/repositories"

if [ ! -f "${BASE_DIR}/.ssh/authorized_keys" ]; then
    if [ -z "$SSH_KEY" ]; then
        echo "SSH_KEY needs to be set"
        exit 1
    fi
    SSH_KEY_NAME=${SSH_KEY_NAME:-admin}
    echo "$SSH_KEY" > "/tmp/${SSH_KEY_NAME}.pub"
    echo "gitolite's initial setup"
    su-exec git gitolite setup -pk "/tmp/${SSH_KEY_NAME}.pub"
    rm "/tmp/${SSH_KEY_NAME}.pub"
else
    # stuff is already set up, but check the setup anyway
    echo "gitolite's sanity setup"
    su-exec git gitolite setup
fi

echo "building static site"
su-exec git build-pystagit-repos
su-exec git build-pystagit-index

echo "gitolite is ready,starting sshd"
exec "$@"