#!/usr/bin/make -f

export DH_VERBOSE = 1

# The glibc the Nix toolchain builds against, and so the real floor for the
# binaries. dpkg-shlibdeps would instead derive libc6 (>= 2.34) from the build
# host's symbols file, where sysconf carries that minver, locking out distros
# the binaries actually run on.
LIBC_MIN = 2.31

%:
	dh $@

override_dh_auto_configure override_dh_auto_build override_dh_auto_test:
	@:

override_dh_installsystemd:
	dh_installsystemd --no-stop-on-upgrade xrpld.service

# The tmpfiles snippet sets ownership to the xrpld user, so the sysusers snippet
# has to be emitted first: run it early and make its own sequence slot a no-op.
execute_before_dh_installtmpfiles:
	dh_installsysusers

override_dh_installsysusers:

override_dh_install:
	install -D -m 0755 xrpld            debian/xrpld/usr/bin/xrpld
	install -D -m 0755 validator-keys   debian/xrpld/usr/bin/validator-keys
	install -D -m 0644 xrpld.cfg        debian/xrpld/etc/xrpld/xrpld.cfg
	install -D -m 0644 validators.txt   debian/xrpld/etc/xrpld/validators.txt

override_dh_shlibdeps:
	dh_shlibdeps
	# Guards against the toolchain moving past LIBC_MIN and the packages then
	# claiming a floor they do not meet.
	for binary in xrpld validator-keys; do \
		needed=$$(readelf --dyn-syms --wide $$binary \
			| grep -o 'GLIBC_[0-9.]*' | sed 's/GLIBC_//' | sort -uV | tail -1); \
		if [ -z "$$needed" ]; then \
			echo "$$binary: no GLIBC_ symbol versions read, cannot check LIBC_MIN" >&2; \
			exit 1; \
		fi; \
		if dpkg --compare-versions "$$needed" gt "$(LIBC_MIN)"; then \
			echo "$$binary needs glibc $$needed, above LIBC_MIN $(LIBC_MIN)" >&2; \
			exit 1; \
		fi; \
	done
	sed -i 's/libc6 (>= [0-9.]*)/libc6 (>= $(LIBC_MIN))/' debian/xrpld.substvars

override_dh_dwz:
	@: