$ git clone -n https://src.fedoraproject.org/rpms/stress.git /var/lib/mock/f45-build-36527-706/root/chroot_tmpdir/scmroot/stress
Cloning into '/var/lib/mock/f45-build-36527-706/root/chroot_tmpdir/scmroot/stress'...
$ git fetch origin 08b082a7ad25e7dd965ab61447f783c2eea9caab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/stress
 * [new ref]         08b082a7ad25e7dd965ab61447f783c2eea9caab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08b082a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild