Migrating to modules

l...@pinkfroot.com

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Jun 27, 2019, 1:47:20 AM6/27/19

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All of my projects at the moment are living under GOPATH/src/me/projectName.

Is it possible to migrate to using GoModules and pin (for now) the packages at the versions stored in my GOPATH/src. I am thinking that way the migration to GOMODULES will produce a build no different to the build using GOPATH/src for all the packages.

From that point on I then know I am at a good place and can look to upgrade packages for that migrated project.

Is this possible and if so how? I am using Go1.12 now but happy if this is in 1.13

Thanks!

Kasun Vithanage

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Jun 27, 2019, 1:59:53 AM6/27/19

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Yes you can easily migrate. Go will automatically generate mod files based on your projects.

Just go into the project and run

GO111MODULE=on go mod init <YOUR_PROJECT_NAME>

and everything will be ok.

If you are storing your projects in a VCS like Github just make sure you put repo name as the PROJECT NAME

Ex:

GO111MODULE=on go mod init github.com/username/projectname

For more

Regards.

Kasun

les...@gmail.com

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Jun 27, 2019, 3:29:25 AM6/27/19

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Thanks Kasun,

One thing that is not 100% clear is what packages and versions (more importantly) get set when you migrate to using modules.

Is it the current version on the local disks?

Lee

Kasun Vithanage

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Jun 27, 2019, 3:51:03 AM6/27/19

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According to this it will try to create an equivalent build. It will not break your code

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