#!/usr/bin/make -f

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

# resolve crate version
# * get topmost version except prerelease suffix
#   from Cargo.toml file in dir passed as argument
# * source package version if matching upstream part modulo prerelease
# * otherwise append source package version
crate_version = \
 $(shell perl -n \
 -E '/version\W+\K\d+\.\d+\.\d+/ ' \
 -E 'and say "$(DEB_VERSION_UPSTREAM)" =~ /^\Q$$&\E(?:~[a-z]+\d*)?$$/ ? "$(DEB_VERSION)" : "$$&+$(DEB_VERSION_UPSTREAM_REVISION)" and exit' \
 $1/Cargo.toml)

%:
	dh $@

# declare version for virtually provided embedded crate
override_dh_gencontrol:
	dh_gencontrol -plibrust-lazy-regex-dev -- \
	 -V'rust:Version:librust-lazy-regex-proc-macros-dev=$(call crate_version,src/proc_macros)'