$ git clone -n https://src.fedoraproject.org/rpms/golang-github-zeebo-assert.git /var/lib/mock/f45-build-12615-442/root/chroot_tmpdir/scmroot/golang-github-zeebo-assert
Cloning into '/var/lib/mock/f45-build-12615-442/root/chroot_tmpdir/scmroot/golang-github-zeebo-assert'...
$ git fetch origin 4309f5a4eb737f79fedfd77a553d1b8703ac1d1b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-zeebo-assert
 * [new ref]         4309f5a4eb737f79fedfd77a553d1b8703ac1d1b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4309f5a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild