$ git clone -n https://src.fedoraproject.org/rpms/qmmp-plugin-pack.git /var/lib/mock/f41-build-side-1-3135908-39768/root/chroot_tmpdir/scmroot/qmmp-plugin-pack
Cloning into '/var/lib/mock/f41-build-side-1-3135908-39768/root/chroot_tmpdir/scmroot/qmmp-plugin-pack'...
$ git fetch origin e28d43174058a8f63ad493c3ac501d3bdefa1475:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qmmp-plugin-pack
 * [new ref]         e28d43174058a8f63ad493c3ac501d3bdefa1475 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e28d431 new version 2.2.1 (rhbz#2316648)