$ git clone -n https://src.fedoraproject.org/rpms/chromium.git /var/lib/mock/f31-build-88313-31966/root/chroot_tmpdir/scmroot/chromium
Cloning into '/var/lib/mock/f31-build-88313-31966/root/chroot_tmpdir/scmroot/chromium'...
$ git reset --hard 1646709894bee11759b780dcf9794446c374b5ee
Checking out files:  96% (180/187)   
Checking out files:  97% (182/187)   
Checking out files:  98% (184/187)   
Checking out files:  99% (186/187)   
Checking out files: 100% (187/187)   
Checking out files: 100% (187/187), done.
HEAD is now at 1646709 fix v8 compile with gcc