$ git clone -n https://src.fedoraproject.org/rpms/glmark2.git /var/lib/mock/f39-build-1622959-38882/root/chroot_tmpdir/scmroot/glmark2
Cloning into '/var/lib/mock/f39-build-1622959-38882/root/chroot_tmpdir/scmroot/glmark2'...
$ git fetch origin fb0b874307636e0169d0de3a4f2018ce8d7d5076:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/glmark2
 * [new ref]         fb0b874307636e0169d0de3a4f2018ce8d7d5076 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb0b874 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild