Add a bcond with ostree_ext

This adds optional support for having us take over the
symlinks. This pairs with
https://github.com/coreos/rpm-ostree/pull/5187

Related: #RHEL-72583
Related: #RHEL-66200

Signed-off-by: Colin Walters <walters@verbum.org>

bootc.spec

@@ -1,4 +1,5 @@
 %bcond_without check
+%bcond_with ostree_ext
 
 Name:           bootc
 Version:        1.1.2
@@ -40,6 +41,11 @@ Requires: podman
 # For bootloader updates
 Recommends: bootupd
 
+# A made up provides so that rpm-ostree can depend on it
+%if %{with ostree_ext}
+Provides: ostree-cli(ostree-container)
+%endif
+
 %description
 %{summary}
 
@@ -55,6 +61,9 @@ Recommends: bootupd
 
 %install
 %make_install INSTALL="install -p -c"
+%if %{with ostree_ext}
+make install-ostree-hooks DESTDIR=%{?buildroot}
+%endif
 
 %if %{with check}
 %check
@@ -70,6 +79,9 @@ Recommends: bootupd
 %{_bindir}/bootc
 %{_prefix}/lib/bootc/
 %{_prefix}/lib/systemd/system-generators/*
+%if %{with ostree_ext}
+%{_prefix}/libexec/libostree/ext/*
+%endif
 %{_unitdir}/*
 %{_mandir}/man*/bootc*