Due to protocol changes w.r.t to the legacy environment, the git clone commands produce an error:
git clone https://github.com/cms-opendata-validation/2010-mu-mumonitor-dimuon Validation/Mu_Mumonitor_dimuon_2010 Cloning into 'Validation/Mu_Mumonitor_dimuon_2010'... error: error:1407742E:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert protocol version while accessing https://github.com/cms-opendata-validation/2010-mu-mumonitor-dimuon/info/refs?service=git-upload-pack fatal: HTTP request failed
The CMS open data environments will soon be updated to fix this error. Meanwhile, there are two solutions:
You can use
git clone git format, i.e.
git clone git://github.com/cms-opendata-validation/2010-mu-mumonitor-dimuon Validation/Mu_Mumonitor_dimuon_2010
in the CMS open data containers or in the
CMS Shell in the VM image.
Alternatively, clone the repository normally with
git clone https... in a more recent environment:
- if using containers, in your local area, which you mount as a volume to the container
- if using VM, in the terminal with a more recent OS, which opens from a terminal icon on the bottom of the desktop screen (remember that in the VM, building the CMSSW area and compiling must be done in the