$ git clone -n https://src.fedoraproject.org/rpms/kpmcore.git /var/lib/mock/f40-build-2218986-52622/root/chroot_tmpdir/scmroot/kpmcore
Cloning into '/var/lib/mock/f40-build-2218986-52622/root/chroot_tmpdir/scmroot/kpmcore'...
$ git fetch origin 0d4731dcaec7ccdfc6c18c64f78b9b48b019ee42:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kpmcore
 * [new ref]         0d4731dcaec7ccdfc6c18c64f78b9b48b019ee42 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0d4731d 24.01.85