$ git clone -n https://src.fedoraproject.org/rpms/osmium-tool.git /var/lib/mock/f38-build-side-42-init-devel-774266-27772/root/chroot_tmpdir/scmroot/osmium-tool
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-774266-27772/root/chroot_tmpdir/scmroot/osmium-tool'...
$ git fetch origin a104cab50bdacdb8499c581d7395df87b2272d1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/osmium-tool
 * [new ref]         a104cab50bdacdb8499c581d7395df87b2272d1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a104cab Require catch2-devel instead of catch-devel