$ git clone -n https://src.fedoraproject.org/rpms/gearhead1.git /var/lib/mock/f38-build-side-42-init-devel-1344781-30695/root/chroot_tmpdir/scmroot/gearhead1
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1344781-30695/root/chroot_tmpdir/scmroot/gearhead1'...
$ git fetch origin 2a604b14ebbee7d695834ebb6ab0bc7aff5e25af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gearhead1
 * [new ref]         2a604b14ebbee7d695834ebb6ab0bc7aff5e25af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a604b1 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild