$ git clone -n https://src.fedoraproject.org/rpms/libmash.git /var/lib/mock/f40-build-785562-134021/root/chroot_tmpdir/scmroot/libmash
Cloning into '/var/lib/mock/f40-build-785562-134021/root/chroot_tmpdir/scmroot/libmash'...
$ git fetch origin 201e872fa9a4d35a47322cf7e779b4c1acafd14b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libmash
 * [new ref]         201e872fa9a4d35a47322cf7e779b4c1acafd14b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 201e872 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild