$ git clone -n https://src.fedoraproject.org/rpms/maven-resolver.git /var/lib/mock/f41-build-712979-13044/root/chroot_tmpdir/scmroot/maven-resolver
Cloning into '/var/lib/mock/f41-build-712979-13044/root/chroot_tmpdir/scmroot/maven-resolver'...
$ git fetch origin 1f57ceb2aa9f32b564c50a57736d5f32eb7fbacd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-resolver
 * [new ref]         1f57ceb2aa9f32b564c50a57736d5f32eb7fbacd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f57ceb Switch to a newer %patch syntax