$ git clone -n https://src.fedoraproject.org/rpms/osmium-tool.git /var/lib/mock/f40-build-2097382-50432/root/chroot_tmpdir/scmroot/osmium-tool
Cloning into '/var/lib/mock/f40-build-2097382-50432/root/chroot_tmpdir/scmroot/osmium-tool'...
$ git fetch origin 1841af4488eaec0036621b65f00fa354ad40debc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/osmium-tool
 * [new ref]         1841af4488eaec0036621b65f00fa354ad40debc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1841af4 Update to 1.16.0 upstream release