$ git clone -n https://src.fedoraproject.org/rpms/f2c.git /var/lib/mock/f29-build-5274-1263/root/thebuilddir/tmp/scmroot/f2c
Cloning into '/var/lib/mock/f29-build-5274-1263/root/thebuilddir/tmp/scmroot/f2c'...
$ git reset --hard 57f902a30fb33bd968220adac60371146a19e892
HEAD is now at 57f902a Update to 20160102.