$ git clone -n https://src.fedoraproject.org/rpms/admesh.git /var/lib/mock/f41-build-side-1-2631414-25708/root/chroot_tmpdir/scmroot/admesh
Cloning into '/var/lib/mock/f41-build-side-1-2631414-25708/root/chroot_tmpdir/scmroot/admesh'...
$ git fetch origin a6b74f826cdc81771825cb0510f584ddaac7ff7a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/admesh
 * [new ref]         a6b74f826cdc81771825cb0510f584ddaac7ff7a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6b74f8 convert GPLv2+ license to SPDX