termux-packages/packages/proot-distro/build.sh

TERMUX_PKG_HOMEPAGE=https://github.com/termux/proot-distro
TERMUX_PKG_DESCRIPTION="Termux official utility for managing proot'ed Linux distributions"
TERMUX_PKG_LICENSE="GPL-3.0"
TERMUX_PKG_MAINTAINER="Leonid Pliushch <leonid.pliushch@gmail.com>"
TERMUX_PKG_VERSION=0.8
TERMUX_PKG_REVISION=2
TERMUX_PKG_SRCURL=https://github.com/termux/proot-distro/archive/v${TERMUX_PKG_VERSION}.tar.gz
TERMUX_PKG_SHA256=cbcd4b652e383e732a2be9aedce60519b5db9ffb95ea4909c2ee2f296abc477c
TERMUX_PKG_DEPENDS="bash, bzip2, coreutils, curl, findutils, gzip, ncurses-utils, proot, tar, xz-utils"
TERMUX_PKG_BUILD_IN_SRC=true
TERMUX_PKG_PLATFORM_INDEPENDENT=true

# Allow to edit distribution plug-ins.
TERMUX_PKG_CONFFILES="
etc/proot-distro/alpine.sh
etc/proot-distro/archlinux.sh
etc/proot-distro/nethunter.sh
etc/proot-distro/ubuntu-18.04.sh
etc/proot-distro/ubuntu-20.04.sh
"

termux_step_make_install() {
	./install.sh
}

termux_step_create_debscripts() {
	# Create compatibility symlink ubuntu.sh --> ubuntu-20.04.sh.
	cat <<- POSTINST_EOF > ./postinst
	#!$TERMUX_PREFIX/bin/sh
	if [ -f "$TERMUX_PREFIX/etc/proot-distro/ubuntu.sh" ]; then
		mv -f "$TERMUX_PREFIX/etc/proot-distro/ubuntu.sh" "$TERMUX_PREFIX/etc/proot-distro/ubuntu-20.04.sh"
	fi
	ln -sfr "$TERMUX_PREFIX/etc/proot-distro/ubuntu-20.04.sh" "$TERMUX_PREFIX/etc/proot-distro/ubuntu.sh"
	exit 0
	POSTINST_EOF

	# Delete compatibility symlink.
	cat <<- PRERM_EOF > ./prerm
	#!$TERMUX_PREFIX/bin/sh
	if [ "\$1" != "remove" ]; then
		exit 0
	fi
	rm -f $TERMUX_PREFIX/etc/proot-distro/ubuntu.sh
	exit 0
	PRERM_EOF

	chmod 0755 postinst prerm
}