When using golang's go.mod, the correct use of recursive substitution is an important issue. PHP editor Yuzai provides you with some solutions. Recursive replacement refers to the method of replacing a module with a local directory in the go.mod file for debugging and modification during development. However, if the replaced module depends on other modules, it may cause some problems. By using recursive substitution correctly, you can avoid these problems and keep your project's dependencies functioning properly. In this article, we will discuss how to properly use recursive substitution in go.mod and provide some practical tips and considerations.
Question content
I want a project structure as follows:
src/github.com/myname/myproject/
- tl:
- constructor
- someghing.go
- go.mod:
module github.com/myname/myproject/tl/constructor
require github.com/myname/myproject v0.0.0
require github.com/myname/myproject/tl/types v0.0.0
require github.com/myname/myproject/tl/types/account v0.0.0
require github.com/myname/myproject/tl/types/auth v0.0.0
require github.com/myname/myproject/tl/types/bots v0.0.0
replace github.com/myname/myproject v0.0.0 => ./../..
replace github.com/myname/myproject/tl/types v0.0.0 => ./../types
replace github.com/myname/myproject/tl/types/account v0.0.0 => ./../types/account
replace github.com/myname/myproject/tl/types/auth v0.0.0 => ./../types/auth
replace github.com/myname/myproject/tl/types/channels v0.0.0 => ./../types/channels
- crcs
- someghing.go
- go.mod:
module github.com/myname/myproject/tl/crcs
- functions
- account
- someghing.go
- go.mod:
module github.com/myname/myproject/tl/functions/account
require github.com/myname/myproject/tl/crcs v0.0.0
require github.com/myname/myproject v0.0.0
require github.com/myname/myproject/tl/types v0.0.0
replace github.com/myname/myproject/tl/crcs v0.0.0 => ./../../crcs
replace github.com/myname/myproject v0.0.0 => ./../../..
replace github.com/myname/myproject/tl/types v0.0.0 => ./../../types
- auth
- someghing.go
- go.mod:
module github.com/myname/myproject/tl/functions/auth
require github.com/myname/myproject/tl/crcs v0.0.0
require github.com/myname/myproject v0.0.0
require github.com/myname/myproject/tl/types v0.0.0
replace github.com/myname/myproject/tl/crcs v0.0.0 => ./../../crcs
replace github.com/myname/myproject v0.0.0 => ./../../..
replace github.com/myname/myproject/tl/types v0.0.0 => ./../../types
- bots
- someghing.go
- go.mod:
module github.com/myname/myproject/tl/functions/bots
require github.com/myname/myproject/tl/crcs v0.0.0
require github.com/myname/myproject v0.0.0
require github.com/myname/myproject/tl/types v0.0.0
replace github.com/myname/myproject/tl/crcs v0.0.0 => ./../../crcs
replace github.com/myname/myproject v0.0.0 => ./../../..
replace github.com/myname/myproject/tl/types v0.0.0 => ./../../types
- someghing.go
- go.mod:
module github.com/myname/myproject/tl/functions
require github.com/myname/myproject/tl/crcs v0.0.0
require github.com/myname/myproject v0.0.0
require github.com/myname/myproject/tl/types v0.0.0
replace github.com/myname/myproject/tl/crcs v0.0.0 => ./../crcs
replace github.com/myname/myproject v0.0.0 => ./../..
replace github.com/myname/myproject/tl/types v0.0.0 => ./../types
- types
- account
- something.go
- go.mod:
module github.com/myname/myproject/tl/types/account
require github.com/myname/myproject/tl/crcs v0.0.0
require github.com/myname/myproject v0.0.0
require github.com/myname/myproject/tl/types v0.0.0
replace github.com/myname/myproject/tl/crcs v0.0.0 => ./../../crcs
replace github.com/myname/myproject v0.0.0 => ./../../..
replace github.com/myname/myproject/tl/types v0.0.0 => ./..
- auth
- something.go
- go.mod:
module github.com/myname/myproject/tl/types/auth
require github.com/myname/myproject/tl/crcs v0.0.0
require github.com/myname/myproject v0.0.0
require github.com/myname/myproject/tl/types v0.0.0
replace github.com/myname/myproject/tl/crcs v0.0.0 => ./../../crcs
replace github.com/myname/myproject v0.0.0 => ./../../..
replace github.com/myname/myproject/tl/types v0.0.0 => ./..
- channels
- something.go
- go.mod:
module github.com/myname/myproject/tl/types/channels
require github.com/myname/myproject/tl/crcs v0.0.0
require github.com/myname/myproject v0.0.0
require github.com/myname/myproject/tl/types v0.0.0
replace github.com/myname/myproject/tl/crcs v0.0.0 => ./../../crcs
replace github.com/myname/myproject v0.0.0 => ./../../..
replace github.com/myname/myproject/tl/types v0.0.0 => ./..
- someghing.go
- go.mod:
module github.com/myname/myproject/tl/types
require github.com/myname/myproject/tl/crcs v0.0.0
require github.com/myname/myproject v0.0.0
replace github.com/myname/myproject/tl/crcs v0.0.0 => ./../crcs
replace github.com/myname/myproject v0.0.0 => ./../..
- something.go
- go.mod:
module github.com/myname/myproject
[some external dependencies]
require github.com/myname/myproject/tl/types v0.0.0
replace github.com/myname/myproject/l/types v0.0.0 => ./tl/types
This doesn't work. I use jetbrains' ide and it executes go list on all (sub)modules and tells me the following error:
go: github.com/myname/myproject/tl/[email protected] requires
github.com/myname/myproject/tl/[email protected]: reading github.com/myname/myproject/tl/crcs/go.mod at revision tl/crcs/v0.0.0: unknown revision tl/crcs/v0.0.0
I don't understand why this is happening, it looks like it tries to get the module from the repository even though everything is replaced locally.
I'm open to suggestions other than changing the project structure. I need to be able to use things like account.sometype in the future, so putting everything in one file would be a pain.
Context: I'm building mtproto library for telegram which has tl mode where each "request"/"class" is in its own namespace (e.g. "account", "channel") (or named globally space, for example I am functions and types accordingly) (because there are more than 1900 of these functions/classes, each with its own constructor and parameters, so Putting everything in one module will be difficult to use)
The files in the tl folder are go codes automatically generated from the tl mode.
Workaround
ThanksDeanfor pointing out that you can have multiple packages (how?) in one module. It solved my problem while still maintaining the same structure.
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