$ git clone -n https://gitee.com/carlo_bai/perl-Math-BigInt-FastCalc.git /var/lib/mock/dist-an23-build-249982-63360/root/chroot_tmpdir/scmroot/perl-Math-BigInt-FastCalc
Cloning into '/var/lib/mock/dist-an23-build-249982-63360/root/chroot_tmpdir/scmroot/perl-Math-BigInt-FastCalc'...
$ git reset --hard f83fac778f8d5b9d64d0346bd0e086655ab41da9
HEAD is now at f83fac7 optimize spec