$ git clone -n https://src.fedoraproject.org/rpms/libsemigroups.git /var/lib/mock/f40-build-2179524-51101/root/chroot_tmpdir/scmroot/libsemigroups
Cloning into '/var/lib/mock/f40-build-2179524-51101/root/chroot_tmpdir/scmroot/libsemigroups'...
$ git fetch origin bdcb4a24c1a7d08d54476252bdfd0a40de0920f6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libsemigroups
 * [new ref]         bdcb4a24c1a7d08d54476252bdfd0a40de0920f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bdcb4a2 Version 2.7.2