$ git clone -n https://src.fedoraproject.org/rpms/golang-github-google-martian.git /var/lib/mock/f33-build-249077-50764/root/chroot_tmpdir/scmroot/golang-github-google-martian
Cloning into '/var/lib/mock/f33-build-249077-50764/root/chroot_tmpdir/scmroot/golang-github-google-martian'...
$ git reset --hard ab60a513b5802ffcab01855daafd71f8b94f6382
HEAD is now at ab60a51 Fix FTBFS with Go 1.13+