ynh-build

#!/bin/bash
# shellcheck disable=SC2155

readonly THISSCRIPT=$0
readonly THISDIR=$(dirname "$0")
readonly PROJECT=$1
readonly BRANCH=$2
readonly VERSION=$3
readonly TAG=$(echo "debian/$VERSION" | tr '~' '-')

if [[ "$(echo "$VERSION" | awk -F'.' '{print $1}')" == "11" ]]; then
    readonly DISTRIB="bullseye"
elif [[ "$(echo "$VERSION" | awk -F'.' '{print $1}')" == "12" ]]; then
    readonly DISTRIB="bookworm"
elif [[ "$(echo "$VERSION" | awk -F'.' '{print $1}')" == "13" ]]; then
    readonly DISTRIB="trixie"
else
    readonly DISTRIB="fixyoversionnumberbruh"
fi


source "$THISDIR/config/config"
source "$THISDIR/scripts/common.sh"

# ##### #
# Usage #
# ##### #

function usage()
{
    cat << EOF

Usage:
    $THISSCRIPT <project> <branch> <version>

Arguments:
    <project>     moulinette, yunohost, yunohost-admin, yunohost-portal or SSOwat
    <branch>      testing or stable
    <version>     x.y.z (ex: 2.6.1)

EOF
}

# ################# #
# Check user inputs #
# ################# #

function validate_arguments()
{
    [[ $PROJECT =~ ^yunohost|yunohost-admin|yunohost-portal|moulinette|SSOwat$ ]] || critical "Invalid project $PROJECT"
    grep -q "^Codename: $DISTRIB$" "$REPO_CONFIG" || critical "Invalid distribution $DISTRIB"
    grep -q "^Components: .*$BRANCH.*$" "$REPO_CONFIG" || critical "Invalid branch $BRANCH"
    [[ -n "$VERSION" ]] || critical "Invalid version $VERSION"
    [[ "$(tty)" != "not a tty" ]] || critical "You aint in a tty (are you in a 'lxc exec' ?) The script can't run because pbuilder won't be happy :|"
}

function checkout_tag()
{
    # Update project's repository
    boxed "> Updating $GIT_REPOS/$PROJECT repository ... "

    cd "$GIT_REPOS/$PROJECT" || exit 1
    git fetch --quiet
    git fetch --tags --quiet
    git checkout "$TAG" --quiet
    git reset --hard "$TAG" --quiet

    # Validate constrains for the version number given (is in changelog + has corresponding tag)

    LASTVERSIONCHANGELOG=$(dpkg-parsechangelog -S Version 2>/dev/null)
    [[ "$VERSION" == "$LASTVERSIONCHANGELOG" ]] || critical "Version $VERSION is not the last version in changelog"
    git rev-parse "$TAG" >/dev/null 2>&1 || critical "Invalid version $VERSION (there's no tag $TAG in the git repo !)"

    # Get commit for the tag and for HEAD

    TAGCOMMIT=$(git rev-parse "$TAG")
    HEADCOMMIT=$(git rev-parse "HEAD")

    [[ "$TAGCOMMIT" == "$HEADCOMMIT" ]] || critical "Tag $TAG is not the HEAD of the branch :/"
}

function build()
{
   # check if the build branch type is coherent between what the user has specified and what is specified in the changelog
   if ! [[ "$(head -n 1 debian/changelog)" == *"$BRANCH"* ]]; then
      echo "The specified branch type is not coherent with the changelog one!"
      exit 1
   fi

   # Create temporary folder
   TMP_FOLDER=$(mktemp -d)

   # Extract git archive a desired tag
   info "Exporting in $TMP_FOLDER ...  "
   git archive "$TAG" --format=tar | tar -x -C "$TMP_FOLDER"

   # Build Debian package
   boxed "Building Debian package ... "
   cd "$TMP_FOLDER" || exit 1
   $BUILD_DEB $DISTRIB "$BRANCH" .
}


function main()
{
    validate_arguments

    boxed "Building $PROJECT $BRANCH release - $VERSION version"

    checkout_tag
    build
}

if [[ "$1" =~ ^-h|--help$ ]]; then
    usage
    exit
fi

main