$ git clone -n https://src.fedoraproject.org/rpms/gnumeric.git /var/lib/mock/f40-build-733761-105395/root/chroot_tmpdir/scmroot/gnumeric
Cloning into '/var/lib/mock/f40-build-733761-105395/root/chroot_tmpdir/scmroot/gnumeric'...
$ git fetch origin 4144336f3007fc175c7c23189f286f1292cd9e69:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnumeric
 * [new ref]         4144336f3007fc175c7c23189f286f1292cd9e69 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4144336 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild