Go Modules: From Basics to Beyond / Go Modulesの基本とその先へ

COEFL Go-JP #1で使ったスライドです。

参考リンク
- Go Wiki: Modules(https://go.dev/wiki/Modules)
- Go Module Reference(https://go.dev/ref/mod)

2. ※
5. go build
6. // v0, v1: No suffix required import "github.com/user/pkg" // v2+: Major version in path goimport "github.com/user/pkg/v2"
8. +incompatible require oldpackage v3.0.1+incompatible import "oldpackage" // Not "oldpackage/v3"
9. github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOveCGc... github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46...
10. github.com/old/dep v1.0.0 h1:abc... # No longer used github.com/old/dep v2.0.0 h1:def... # Currently used go mod verify
11. my-repo/ ├── go.mod # Root module ├── foo/ │ └── go.mod # Sub-module └── bar/ └── go.mod # Another sub-module
12. go test ./... git tag foo/v1.0.0
13. # Create go.work file go work init . ./foo ./bar go work use ./additional-module test-all: cd . && go test ./... cd foo && go test ./... cd bar && go test ./...
14. project/ ├── go.mod ├── docs/ │ └── go.mod # Empty go.mod = exclude this directory ├── examples/ │ └── go.mod # Empty go.mod = exclude this too └── testdata/
15. // go.mod module example.com/mymodule retract v1.0.1 // Critical security vulnerability retract [v1.2.0, v1.2.5] // Range retraction $ go list -m -versions example.com/mymodule example.com/mymodule v1.0.0 v1.0.2 v1.1.0 # v1.0.1 is skipped
16. go get
20. ※
23. go build
24. // v0, v1: サ ッ import "github.com/user/pkg" // v2+: パ ョ import "github.com/user/pkg/v2"
26. +incompatible require oldpackage v3.0.1+incompatible import "oldpackage" // "oldpackage/v3"
27. github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOveCGc... github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46...
28. github.com/old/dep v1.0.0 h1:abc... # dzƷܞǔǗǛƵ github.com/old/dep v2.0.0 h1:def... # ڛܞǔǗǼ go mod verify
29. my-repo/ ├── go.mod # ɏüȬɆȜɉüɏ ├── foo/ │ └── go.mod # șȺɆȜɉüɏ └── bar/ └── go.mod # ತǟșȺɆȜɉüɏ
31. # go.work go work init . ./foo ./bar go work use ./additional-module test-all: cd . && go test ./... cd foo && go test ./... cd bar && go test ./...
32. project/ ├── go.mod ├── docs/ │ └── go.mod # յǟgo.mod = DŽǟȫȇɐȓȬɎȃࠎЖ ├── examples/ │ └── go.mod # յǟgo.mod = DŽǽdzࠎЖ └── testdata/
33. // go.mod module example.com/mymodule retract v1.0.1 // retract [v1.2.0, v1.2.5] // $ go list -m -versions example.com/mymodule example.com/mymodule v1.0.0 v1.0.2 v1.1.0 # v1.0.1 ッ
34. go get