#!/bin/bash

set -euxo pipefail

INSTALL_PREFIX="$HOME/.local/packages"
VERSION=${VERSION:-2.20.1}

curl -Ls https://github.com/git/git/archive/v${VERSION}.tar.gz | \
    tar -xz -C /build/source --strip-components=1

export DEBIAN_FRONTEND=noninteractive
apt-get install -y --no-install-recommends \
    asciidoc \
    docbook2x \
    gettext \
    libcurl4-openssl-dev \
    libexpat1-dev \
    libssl-dev \
    tcl \
    xmlto \
    zlib1g-dev

cd /build/source
make prefix="$INSTALL_PREFIX/git-${VERSION}" all doc info
make prefix="$INSTALL_PREFIX/git-${VERSION}" install install-doc install-html install-info

tar -C "$INSTALL_PREFIX" -cvzf /output/git-${VERSION}.tar.gz git-${VERSION}