TERMUX_PKG_HOMEPAGE=https://www.tug.org/texlive/
TERMUX_PKG_DESCRIPTION="Wrapper around texlive's install-tl script"
TERMUX_PKG_LICENSE="GPL-2.0"
TERMUX_PKG_MAINTAINER="Henrik Grimler @Grimler91"
TERMUX_PKG_VERSION=20240310
TERMUX_PKG_REVISION=1
TERMUX_PKG_SRCURL=https://ftp.math.utah.edu/pub/tex/historic/systems/texlive/${TERMUX_PKG_VERSION:0:4}/install-tl-unx.tar.gz
TERMUX_PKG_SHA256=fa845fbbd8d5b78c93fb5e9f97e5d908b42fb50c1ae164f7d9aa31c8ad8c31c7
TERMUX_PKG_PLATFORM_INDEPENDENT=true
TERMUX_PKG_DEPENDS="perl, texlive-bin (>= 20240310), gnupg, curl, lz4, xz-utils"
TERMUX_PKG_REPLACES="texlive"
TERMUX_PKG_BREAKS="texlive"
TERMUX_PKG_RM_AFTER_INSTALL="
opt/texlive/install-tl/texmf-dist
opt/texlive/install-tl/tlpkg/installer/curl
opt/texlive/install-tl/tlpkg/installer/wget
opt/texlive/install-tl/tlpkg/installer/xz
"

termux_step_make_install() {
	mkdir -p $TERMUX_PREFIX/opt/texlive
	sed -e "s|@TERMUX_PREFIX@|${TERMUX_PREFIX}|g" \
		"$TERMUX_PKG_BUILDER_DIR"/installer.sh \
		> $TERMUX_PREFIX/bin/termux-install-tl
	chmod 700 $TERMUX_PREFIX/bin/termux-install-tl

	sed -e "s|@TERMUX_PREFIX@|${TERMUX_PREFIX}|g" \
		-e "s|@YEAR@|${TERMUX_PKG_VERSION:0:4}|g" \
		"$TERMUX_PKG_BUILDER_DIR"/termux-patch-texlive.sh \
		> $TERMUX_PREFIX/bin/termux-patch-texlive
	chmod 700 $TERMUX_PREFIX/bin/termux-patch-texlive

	sed -e "s|@TERMUX_PREFIX@|${TERMUX_PREFIX}|g" \
		-e "s|@YEAR@|${TERMUX_PKG_VERSION:0:4}|g" \
		"$TERMUX_PKG_BUILDER_DIR"/termux.profile \
		> $TERMUX_PREFIX/opt/texlive/termux.profile
	chmod 600 $TERMUX_PREFIX/opt/texlive/termux.profile

	for DIFF in "$TERMUX_PKG_BUILDER_DIR"/*.diff; do
		sed -e "s|@TERMUX_PREFIX@|${TERMUX_PREFIX}|g" \
                    -e "s|@YEAR@|${TERMUX_PKG_VERSION:0:4}|g" $DIFF \
			> $TERMUX_PREFIX/opt/texlive/$(basename $DIFF)
		chmod 600 $TERMUX_PREFIX/opt/texlive/$(basename $DIFF)
	done

	if [ -d "$TERMUX_PREFIX/opt/texlive/install-tl" ]; then
		rm -r "$TERMUX_PREFIX/opt/texlive/install-tl"
	fi
	cp -r $TERMUX_PKG_SRCDIR/ $TERMUX_PREFIX/opt/texlive/install-tl

	mkdir -p $TERMUX_PREFIX/etc/profile.d/ $TERMUX_PREFIX/etc/fish/conf.d/
	{
		echo "export PATH=\$PATH:$TERMUX_PREFIX/bin/texlive"
		echo "export TEXMFROOT=$TERMUX_PREFIX/share/texlive/${TERMUX_PKG_VERSION:0:4}"
		echo "export TEXMFLOCAL=$TERMUX_PREFIX/share/texlive/texmf-local"
		echo "export OSFONTDIR=$TERMUX_PREFIX/share/fonts/TTF"
		echo "export TRFONTS=$TERMUX_PREFIX/share/groff/{current/font,site-font}/devps"
	} > $TERMUX_PREFIX/etc/profile.d/texlive.sh
    {
        echo "set -gx --append PATH $TERMUX_PREFIX/bin/texlive"
        echo "set -gx TEXMFROOT $TERMUX_PREFIX/share/texlive/${TERMUX_PKG_VERSION:0:4}"
        echo "set -gx TEXMFLOCAL $TERMUX_PREFIX/share/texlive/texmf-local"
        echo "set -gx OSFONTDIR $TERMUX_PREFIX/share/fonts/TTF"
        echo "set -gx TRFONTS $TERMUX_PREFIX/share/groff/current/font/devps $TERMUX_PREFIX/share/groff/site-font/devps"
    } > $TERMUX_PREFIX/etc/fish/conf.d/texlive.fish
}

termux_step_create_debscripts() {
	{
		echo "#!$TERMUX_PREFIX/bin/sh"
		echo "echo ''"
		echo "echo '[*] You can now run the texlive installer by running'"
		echo "echo ''"
		echo "echo '      termux-install-tl'"
		echo "echo ''"
		echo "echo '    It forwards extra arguments to the install-tl script.'"
		echo "echo ''"
		echo "echo '    NOTE: texlive-${TERMUX_PKG_VERSION:0:4} is installed into \$PREFIX/share/texlive/${TERMUX_PKG_VERSION:0:4} instead of \$PREFIX/share/texlive'"
		echo "echo '          If you have an old version installed you can rm -rf \$PREFIX/share/texlive/texmf-dist to'"
		echo "echo '          delete (most of) old version and free up space.'"
	} > ./postinst
}
