$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-fining.git /var/lib/mock/f40-build-2693768-69024/root/chroot_tmpdir/scmroot/gap-pkg-fining
Cloning into '/var/lib/mock/f40-build-2693768-69024/root/chroot_tmpdir/scmroot/gap-pkg-fining'...
$ git fetch origin c64f977a3ec350e7806d77b236bec40f17b90985:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-fining
 * [new ref]         c64f977a3ec350e7806d77b236bec40f17b90985 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c64f977 Rebuild for gap 4.13.0