$ git clone -n https://src.fedoraproject.org/rpms/libzia.git /var/lib/mock/f39-build-1869115-42616/root/chroot_tmpdir/scmroot/libzia
Cloning into '/var/lib/mock/f39-build-1869115-42616/root/chroot_tmpdir/scmroot/libzia'...
$ git fetch origin 2eb6c736dfb8f4ef6bccbe375a4808a87a96500f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libzia
 * [new ref]         2eb6c736dfb8f4ef6bccbe375a4808a87a96500f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2eb6c73 New version