$ git clone -n https://src.fedoraproject.org/rpms/libshumate.git /var/lib/mock/f42-build-side-1-3500845-45971/root/chroot_tmpdir/scmroot/libshumate
Cloning into '/var/lib/mock/f42-build-side-1-3500845-45971/root/chroot_tmpdir/scmroot/libshumate'...
$ git fetch origin 92997872d5401490772d18b1b6955cf19b14a54b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libshumate
 * [new ref]         92997872d5401490772d18b1b6955cf19b14a54b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9299787 Update to 1.4.0