$ git clone -n https://gitee.com/yan1hcdc/perl-Compress-LZF.git /var/lib/mock/dist-an23-build-479123-74203/root/chroot_tmpdir/scmroot/perl-Compress-LZF
Cloning into '/var/lib/mock/dist-an23-build-479123-74203/root/chroot_tmpdir/scmroot/perl-Compress-LZF'...
$ git fetch origin 9a21adf09b13b7a3b13edfae9698b970bf03af35:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/perl-Compress-LZF
 * [new ref]         9a21adf09b13b7a3b13edfae9698b970bf03af35 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a21adf turning gcc errors back into warnings