package.path problem after update.sh

[Daniel Galvez]

Hi everyone,

I recently needed to update my old paths package to get paths.iterdirs. To do this, I ran "update.sh", which seems to update the git submodules located in the ~/torch/pkg directory. Afterwards, I checked, and it is true that the updated "~/torch/pkg/paths/init.lua" does contain "paths.iterdirs". (the git log confirms this as well. The package is up to date.)

However, at the torch repl "th", I couldn't call paths.iterdirs, and I found that the package.path variable in fact doesn't contain a "~/torch/pkg/?/init.lua" path pattern.

I ran this,

for path in package.path:gmatch("[^;]+") do
   print(path)
end

which output this:

/Users/danielgalvez/.luarocks/share/lua/5.1/?.lua    
/Users/danielgalvez/.luarocks/share/lua/5.1/?/init.lua    
/Users/danielgalvez/torch/install/share/lua/5.1/?.lua    
/Users/danielgalvez/torch/install/share/lua/5.1/?/init.lua    
./?.lua    
/Users/danielgalvez/torch/install/share/luajit-2.1.0-alpha/?.lua    
/usr/local/share/lua/5.1/?.lua    
/usr/local/share/lua/5.1/?/init.lua    

I observed that ~/torch/install/?/init.lua matches ~/torch/install/paths/init.lua. However, this file is outdated, and does not contain the "paths.iterdirs()" function.

I know I can replace the existing "~/torch/install/paths/init.lua" with "~/torch/pkg/paths/init.lua" or change the package.path variable, but this feels wrong. I feel as though this should be updated automatically, especially since no one else seems to be having the same problem as me.

TL;DR: Is there a preferred way to add my updated packages to the path after a call to "update.sh"?

[Daniel Galvez]

Ah, of course, update.sh only updates the packages' code, but does not rebuild the packages.

This worked for me:

cd torch/pkg/paths
luarocks make rocks/paths-scm-1.rockspec

luarocks make not only builds, but also puts the init.lua file onto the install/paths directory.

Why doesn't update.sh remake the updated modules automatically? It seems silly that you would want to update, but not rebuild from a user's point of view.

[soumith]

Daniel.

./update.sh

./install.sh

That's the order I run the commands in. Maybe update.sh should have a trigger to ./install.sh

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