$ git clone -n https://src.fedoraproject.org/rpms/xosview.git /var/lib/mock/f45-build-39043-731/root/chroot_tmpdir/scmroot/xosview
Cloning into '/var/lib/mock/f45-build-39043-731/root/chroot_tmpdir/scmroot/xosview'...
$ git fetch origin 37f496a8631e98e792c687974154706cf5b9484d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xosview
 * [new ref]         37f496a8631e98e792c687974154706cf5b9484d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37f496a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild