We should anticipate the case where vg is not installed and provide a genuinely useful error message that instructs the user about how to install vg and add it to their PATH.
We should improve the install documentation to guide users through doing this properly the first time.
We could attempt, on supported platforms, to ourselves download a copy of vg if it appears to be missing.
Some people are having trouble with the tube map not being able to find vg. In this case, we bombard them with useless
exited with code -2errors in the browser, and cryptic errors aboutENOENTin the console.We should anticipate the case where vg is not installed and provide a genuinely useful error message that instructs the user about how to install
vgand add it to their PATH.We should improve the install documentation to guide users through doing this properly the first time.
We could attempt, on supported platforms, to ourselves download a copy of
vgif it appears to be missing.