$ git clone -n https://gitee.com/mgb01105731/libiptcdata.git /var/lib/mock/dist-an23-build-341302-69878/root/chroot_tmpdir/scmroot/libiptcdata
Cloning into '/var/lib/mock/dist-an23-build-341302-69878/root/chroot_tmpdir/scmroot/libiptcdata'...
$ git fetch origin 504bf056242a4e47f28f2b299873fd79ca1a5aec:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libiptcdata
 * [new ref]         504bf056242a4e47f28f2b299873fd79ca1a5aec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 504bf05 rebuild