$ git clone -n https://src.fedoraproject.org/rpms/spectacle.git /var/lib/mock/f39-build-1662529-40667/root/chroot_tmpdir/scmroot/spectacle
Cloning into '/var/lib/mock/f39-build-1662529-40667/root/chroot_tmpdir/scmroot/spectacle'...
$ git fetch origin d8ef4ae205efaf543d14a8691218c8b44a0feb22:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/spectacle
 * [new ref]         d8ef4ae205efaf543d14a8691218c8b44a0feb22 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8ef4ae 23.08.2