$ git clone -n https://src.fedoraproject.org/rpms/c2esp.git /var/lib/mock/f29-build-1876-598/root/thebuilddir/tmp/scmroot/c2esp
Cloning into '/var/lib/mock/f29-build-1876-598/root/thebuilddir/tmp/scmroot/c2esp'...
$ git reset --hard e4cc7848c67f00c0024865e181198d27ea9e2ceb
HEAD is now at e4cc784 gcc is no longer in buildroot by default