diff options
Diffstat (limited to 'vendor/github.com/ldez/gomoddirectives/module.go')
| -rw-r--r-- | vendor/github.com/ldez/gomoddirectives/module.go | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/vendor/github.com/ldez/gomoddirectives/module.go b/vendor/github.com/ldez/gomoddirectives/module.go new file mode 100644 index 000000000..907be244f --- /dev/null +++ b/vendor/github.com/ldez/gomoddirectives/module.go @@ -0,0 +1,48 @@ +package gomoddirectives + +import ( + "bytes" + "encoding/json" + "errors" + "fmt" + "os" + "os/exec" + + "golang.org/x/mod/modfile" +) + +type modInfo struct { + Path string `json:"Path"` + Dir string `json:"Dir"` + GoMod string `json:"GoMod"` + GoVersion string `json:"GoVersion"` + Main bool `json:"Main"` +} + +// GetModuleFile gets module file. +func GetModuleFile() (*modfile.File, error) { + // https://github.com/golang/go/issues/44753#issuecomment-790089020 + cmd := exec.Command("go", "list", "-m", "-json") + + raw, err := cmd.CombinedOutput() + if err != nil { + return nil, fmt.Errorf("command go list: %w: %s", err, string(raw)) + } + + var v modInfo + err = json.NewDecoder(bytes.NewBuffer(raw)).Decode(&v) + if err != nil { + return nil, fmt.Errorf("unmarshaling error: %w: %s", err, string(raw)) + } + + if v.GoMod == "" { + return nil, errors.New("working directory is not part of a module") + } + + raw, err = os.ReadFile(v.GoMod) + if err != nil { + return nil, fmt.Errorf("reading go.mod file: %w", err) + } + + return modfile.Parse("go.mod", raw, nil) +} |
