#!/usr/bin/make -f

# resolve DEB_VERSION_UPSTREAM
include /usr/share/dpkg/pkg-info.mk

DEB_VERSION_UPSTREAM_ORIG = $(firstword $(subst ~,$() ,$(DEB_VERSION_UPSTREAM)))

CRATE = $(patsubst rust-%,%,$(DEB_SOURCE))
TARGET = debian/librust-$(CRATE)-dev/usr/share/cargo/registry/$(CRATE)-$(DEB_VERSION_UPSTREAM_ORIG)

# generate cargo-checksum file
_mkchecksum = printf '{"package":"%s","files":{}}\n' \
 $$(sha256sum $(or $2,$(dir $1)Cargo.toml) | grep -Po '^\S+') > $1;

%:
	dh $@ --buildsystem cargo

execute_before_dh_auto_configure:
	$(call _mkchecksum,debian/cargo-checksum.json,Cargo.toml)

# dh-cargo wrongly treats project root as crate root
override_dh_auto_install:
	mkdir --parents $(TARGET)
	cp debian/cargo-checksum.json $(TARGET)/.cargo-checksum.json
	cp --target-directory=$(TARGET) -r rustls/*

	set -e;\
	$(foreach x,$(addprefix,$(CRATE)+,log),\
	 mkdir --parents debian/librust-$x-dev/usr/share/doc/librust-$x-dev;\
	 ln --symbolic debian/librust-$x-dev/usr/share/doc/librust-$x-dev librust-$(CRATE)-dev;)
