$ git clone -n https://src.fedoraproject.org/rpms/bdsync.git /var/lib/mock/f41-build-side-1-2632306-25786/root/chroot_tmpdir/scmroot/bdsync
Cloning into '/var/lib/mock/f41-build-side-1-2632306-25786/root/chroot_tmpdir/scmroot/bdsync'...
$ git fetch origin 285a25736291f9fbc4ac446ecad2d99322baad5d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bdsync
 * [new ref]         285a25736291f9fbc4ac446ecad2d99322baad5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 285a257 convert GPLv2 license to SPDX