$ git clone -n https://src.fedoraproject.org/rpms/gap.git /var/lib/mock/f40-build-2278731-55279/root/chroot_tmpdir/scmroot/gap
Cloning into '/var/lib/mock/f40-build-2278731-55279/root/chroot_tmpdir/scmroot/gap'...
$ git fetch origin 18d67b2b694ab0b97fecb5da2b710f7835072211:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap
 * [new ref]         18d67b2b694ab0b97fecb5da2b710f7835072211 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18d67b2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild