$ git clone -n https://src.fedoraproject.org/rpms/chromium.git /var/lib/mock/f33-build-520469-64567/root/chroot_tmpdir/scmroot/chromium
Cloning into '/var/lib/mock/f33-build-520469-64567/root/chroot_tmpdir/scmroot/chromium'...
$ git reset --hard 21c9b0cffe4a247d4d306320743888065b552815
HEAD is now at 21c9b0c drop old 87 sources