$ git clone -n https://src.fedoraproject.org/rpms/lcov.git /var/lib/mock/f39-build-1845156-42081/root/chroot_tmpdir/scmroot/lcov
Cloning into '/var/lib/mock/f39-build-1845156-42081/root/chroot_tmpdir/scmroot/lcov'...
$ git fetch origin 153a97fd9eb3177318aee68fea556a6bbcfc99bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lcov
 * [new ref]         153a97fd9eb3177318aee68fea556a6bbcfc99bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 153a97f Update to lcov 2.0