$ git clone -n https://src.fedoraproject.org/rpms/libecpg.git /var/lib/mock/f40-build-2007193-45237/root/chroot_tmpdir/scmroot/libecpg
Cloning into '/var/lib/mock/f40-build-2007193-45237/root/chroot_tmpdir/scmroot/libecpg'...
$ git fetch origin 4e48d1dafd8bce8c52d71bf19f7ea1252b692b61:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libecpg
 * [new ref]         4e48d1dafd8bce8c52d71bf19f7ea1252b692b61 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e48d1d Fix the log hierarchy