On Wed, Oct 12, 2022 at 4:49 AM Steve Roth <st...@rothskeller.net> wrote:
>
> I'd appreciate help with setting up a workspace, involving two modules
that exist only on my local disk and not in any SCM. I understand how to
create the workspace and use both modules in it. What I can't figure out
is how to add a dependency from mod1 to mod2 in mod1's go.mod file.
>
> The supported means of adding dependencies in go.mod files is the go get
command. But if I go into mod1's directory and run "go get path/to/mod2",
it tries to download it from github and fails. I cannot figure out how to
tell go get to use the version that's on my local disk, even though the
workspace says it should.
>
> Similarly, I can't figure out how to add the necessary go.mod and go.sum
entries manually. The documentation explicitly warns against trying to do
so, anyway.
>
> It seems like this is exactly the case workspaces were designed for,
developing two modules at once, and yet I've had no success in getting it
set up. Any suggestions?
For example:
jnml@3900x:~/tmp/modules/bar$ rm -rf *
jnml@3900x:~/tmp/modules/bar$ go mod init example.com/bar
go: creating new go.mod: module example.com/bar
jnml@3900x:~/tmp/modules/bar$ echo 'package bar; func Y() {}' > bar.go
jnml@3900x:~/tmp/modules/bar$
and
jnml@3900x:~/tmp/modules/foo$ rm -rf *
jnml@3900x:~/tmp/modules/foo$ go mod init example.com/foo
go: creating new go.mod: module example.com/foo
jnml@3900x:~/tmp/modules/foo$ echo 'package foo; import "example.com/bar";
func X() { bar.Y() }' > foo.go
jnml@3900x:~/tmp/modules/foo$ go build -v
foo.go:1:21: no required module provides package example.com/bar; to add it:
go get example.com/bar
jnml@3900x:~/tmp/modules/foo$ go work init
jnml@3900x:~/tmp/modules/foo$ go work use ../bar
jnml@3900x:~/tmp/modules/foo$ go build -v
directory . is contained in a module that is not one of the workspace
modules listed in go.work. You can add the module to the workspace using go
work use .
jnml@3900x:~/tmp/modules/foo$ go work use .
jnml@3900x:~/tmp/modules/foo$ go build -v
jnml@3900x:~/tmp/modules/foo$
HTH
-j
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