$ git clone -n https://src.fedoraproject.org/rpms/kmix.git /var/lib/mock/f40-build-2227482-53022/root/chroot_tmpdir/scmroot/kmix
Cloning into '/var/lib/mock/f40-build-2227482-53022/root/chroot_tmpdir/scmroot/kmix'...
$ git fetch origin 62d40d2dedff8239fe3df9cb785ccc2cddebfaa5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmix
 * [new ref]         62d40d2dedff8239fe3df9cb785ccc2cddebfaa5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 62d40d2 24.01.85 (Qt5)