$ git clone -n https://src.fedoraproject.org/rpms/tcalc.git /var/lib/mock/f40-build-2330622-59016/root/chroot_tmpdir/scmroot/tcalc
Cloning into '/var/lib/mock/f40-build-2330622-59016/root/chroot_tmpdir/scmroot/tcalc'...
$ git fetch origin 30286820178210594e78070d5335ec574c15c3b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tcalc
 * [new ref]         30286820178210594e78070d5335ec574c15c3b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3028682 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild