$ git clone -n https://src.fedoraproject.org/rpms/xpanes.git /var/lib/mock/f45-build-39062-731/root/chroot_tmpdir/scmroot/xpanes
Cloning into '/var/lib/mock/f45-build-39062-731/root/chroot_tmpdir/scmroot/xpanes'...
$ git fetch origin b286c2036eb1e2602ecf9e6fb1b166ec825ccadc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xpanes
 * [new ref]         b286c2036eb1e2602ecf9e6fb1b166ec825ccadc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b286c20 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild