$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-laguna.git /var/lib/mock/f39-build-1568614-37659/root/chroot_tmpdir/scmroot/gap-pkg-laguna
Cloning into '/var/lib/mock/f39-build-1568614-37659/root/chroot_tmpdir/scmroot/gap-pkg-laguna'...
$ git fetch origin a5c72545aefc1e5b3794af53be03a8ba5effba38:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-laguna
 * [new ref]         a5c72545aefc1e5b3794af53be03a8ba5effba38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a5c7254 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild