Bootstrap: docker
From: debian:bookworm-slim

%labels
    Author ATGC
    Tool IQ-TREE 3

%help
    Build an Apptainer image for IQ-TREE 3 using the upstream Linux release.

%post
    set -eu
    export DEBIAN_FRONTEND=noninteractive

    apt-get update
    apt-get install -y --no-install-recommends \
        ca-certificates \
        tar \
        wget
    apt-get clean
    rm -rf /var/lib/apt/lists/*

    IQTREE_VERSION="${IQTREE_VERSION:-3.1.1}"
    IQTREE_URL="${IQTREE_URL:-https://github.com/iqtree/iqtree3/releases/download/v${IQTREE_VERSION}/iqtree-${IQTREE_VERSION}-Linux.tar.gz}"

    mkdir -p /opt/iqtree3
    wget -q -O /tmp/iqtree3.tar.gz "${IQTREE_URL}"
    tar -xzf /tmp/iqtree3.tar.gz -C /opt/iqtree3 --strip-components=1
    cp -a /opt/iqtree3/bin/. /usr/local/bin/
    rm -f /tmp/iqtree3.tar.gz

%environment
    export PATH=/usr/local/bin:$PATH

%runscript
    exec /usr/local/bin/iqtree3 "$@"

%test
    test -x /usr/local/bin/iqtree3
    test -x /usr/local/bin/iqtree3_intel