$ git clone -n https://src.fedoraproject.org/rpms/decnumber.git /var/lib/mock/f40-build-1994029-43760/root/chroot_tmpdir/scmroot/decnumber
Cloning into '/var/lib/mock/f40-build-1994029-43760/root/chroot_tmpdir/scmroot/decnumber'...
$ git fetch origin 7a941356b378b3de0e93c05c4222d8541405fcfa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/decnumber
 * [new ref]         7a941356b378b3de0e93c05c4222d8541405fcfa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7a94135 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild