$ git clone -n https://src.fedoraproject.org/rpms/osm2pgsql.git /var/lib/mock/f41-build-855319-167102/root/chroot_tmpdir/scmroot/osm2pgsql
Cloning into '/var/lib/mock/f41-build-855319-167102/root/chroot_tmpdir/scmroot/osm2pgsql'...
$ git fetch origin a7ad612437684ccdae79817c63e18c11466e1ddf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/osm2pgsql
 * [new ref]         a7ad612437684ccdae79817c63e18c11466e1ddf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a7ad612 Update to 2.0.0 upstream release