#!/usr/bin/env bash


# This file is part of scripts.

# scripts is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# scripts is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with scripts.  If not, see <https://www.gnu.org/licenses/>.

# Original author: Maciej Barć (xgqt@protonmail.com)
# Copyright (c) 2020, src_prepare group
# Licensed under the GNU GPL v3 License

# CI Ebuild commit tester
# Run this in a overlay directory.
# This script uses repoman
# to check the latest commit for QA issues.


# skip these directories
ignored_dirs=(
    .
    .git
    eclass
    files
    licenses
    metadata
    profiles
    scripts
    3rd_party
)


# Variables needed for tools
[ -z "${ARCH}" ] && export ARCH=x86_64
[ -z "${ACCEPT_KEYWORDS}" ] && export ACCEPT_KEYWORDS='**'


# First test for a whole repo
# This will likely exit firh error, because repoman
# has to download some files (metadata.xsd)
# We do that so we can truthfully test the actual latest commit
echo ">>> Starting full test"
echo "Running repoman -Idix"
repoman -Idix


echo ">>> Starting latest commit test"

# If any of the QA checks fail the test will fail
test_success=true

# Iterate through changed files in last commit
# For each of these use dirname to change directory
# to the one where the changed file resides
# and run repoman in there
for file in $(git diff --name-only HEAD HEAD~1)
do
    commit_dir="$(dirname "${file}")"

    for i_dir in "${ignored_dirs[@]}"
    do
        if [[ "${commit_dir}" = *"${i_dir}"* ]]
        then
            echo
            echo "Ignoring ${commit_dir}"
            continue 2
        fi
    done

    if cd "${commit_dir}"
    then
        echo
        echo "Checking ${commit_dir}"
        echo "Running repoman -Idix"
        repoman -Idix || test_success="false"
        cd - >/dev/null || return
    fi
done

if [ "${test_success}" = "false" ]
then
    echo ">>> Exiting with failure due to previous errors"
    exit 1
else
    echo ">>> Exiting successfully"
    exit 0
fi