#!/bin/sh

set -e

if [ $# -eq 0 ]; then
    echo "No arguments provided. Aborting..."
    exit 1
fi

if [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
    echo "usage: ./repo-main.sh [-h] [MAIN_DIR INCOMING_DIR READY_SUFFIX]

Wrapper script for the repository.

Possible values for the arguments:

MAIN_DIR      path of the directory inside the repository where the packages will be storaged
INCOMING_DIR  local path of the 'incoming' directory
READY_SUFFIX  suffix used to flag a complete transfer of a file

Dependencies: -
"
    exit 0
fi

if [ $# -lt 3 ]; then
    echo "Mandatory arguments: 'MAIN_DIR', 'INCOMING_DIR', 'INCOMING_DIR'. Aborting..."
    exit 1
fi

MAIN_DIR="${1}"
INCOMING_DIR="${2}"
READY_SUFFIX="${3}"

echo "Checking if there are packages to add..."
for f in "${INCOMING_DIR}"/*"${READY_SUFFIX}"; do
    ## From: https://stackoverflow.com/a/6364244
    ## Check if the glob gets expanded to existing files.
    ## If not, f here will be exactly the pattern above
    ## and the exists test will evaluate to false.
    if [ -e "$f" ]; then
        echo "Found packages to add."
    else
        echo "Not found packages to add. Exiting..."
        echo exit 0
    fi
    ## This is all we needed to know, so we can break after the first iteration
    break
done

echo "Moving package(s) to the repo..."
mkdir -p "${MAIN_DIR}"
./movedebs.sh "${MAIN_DIR}" "${INCOMING_DIR}" "${READY_SUFFIX}"

echo "Installing repository build dependencies (apt)..."
apt-get -qq -y --no-install-recommends install apt-utils > /dev/null

echo "Updating the repo..."
REPO_PATH="repo"
TEMP_DIR="$(mktemp -d)"
./repo-update.sh "${REPO_PATH}" "${TEMP_DIR}"

apt-get -qq -y --no-install-recommends install gpg gpg-agent

echo "Checking if is possible to sign the repo..."
mkdir -p keys
chmod 600 keys
export GNUPGHOME="${PWD}/keys"

./repo-sign.sh "${TEMP_DIR}"

echo "Committing changes..."
mv "${TEMP_DIR}"/* "${REPO_PATH}"/
echo "Done."
#echo "deb file:/repo /" > /etc/apt/sources.list.d/custom-repo.list