$ git clone -n https://gitee.com/lzq11122/perl.git /var/lib/mock/dist-an23-build-446346-73337/root/chroot_tmpdir/scmroot/perl
Cloning into '/var/lib/mock/dist-an23-build-446346-73337/root/chroot_tmpdir/scmroot/perl'...
$ git fetch origin 02737fea6808945f2b07c12e28e88a4f0ed7e99d:KOJI_FETCH_HEAD
From https://gitee.com/lzq11122/perl
 * [new ref]         02737fea6808945f2b07c12e28e88a4f0ed7e99d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 02737fe perl-test