$ git clone -n https://gitee.com/gaohongmei/perl-Math-BigRat.git /var/lib/mock/dist-an8.6-build-209164-61845/root/chroot_tmpdir/scmroot/perl-Math-BigRat
Cloning into '/var/lib/mock/dist-an8.6-build-209164-61845/root/chroot_tmpdir/scmroot/perl-Math-BigRat'...
$ git reset --hard 7dd3e79b029a56324f80e8bcabff056fdeba2c9f
HEAD is now at 7dd3e79 rebuild with perl 5.36.0