From 6f7aacdc4d1b9bbada283f8434bc1921a5eacde7 Mon Sep 17 00:00:00 2001
From: Fernandez Ludovic <ldez@users.noreply.github.com>
Date: Sat, 30 Nov 2024 23:51:23 +0100
Subject: [PATCH] refactor: use grignotin

---
 go.mod             |  1 +
 go.sum             |  2 ++
 gomoddirectives.go |  3 ++-
 module.go          | 35 -----------------------------------
 4 files changed, 5 insertions(+), 36 deletions(-)

diff --git a/go.mod b/go.mod
index 531465d..a9efa0d 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,7 @@ module github.com/ldez/gomoddirectives
 go 1.22.0
 
 require (
+	github.com/ldez/grignotin v0.6.0
 	github.com/stretchr/testify v1.10.0
 	golang.org/x/mod v0.22.0
 	golang.org/x/tools v0.27.0
diff --git a/go.sum b/go.sum
index 905e8e7..a8b9b92 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,7 @@
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/ldez/grignotin v0.6.0 h1:i++3002hxD5TpVto0iLjLrfz1V+yEJ+BBk4glb3aqC8=
+github.com/ldez/grignotin v0.6.0/go.mod h1:uaVTr0SoZ1KBii33c47O1M8Jp3OP3YDwhZCmzT9GHEk=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
diff --git a/gomoddirectives.go b/gomoddirectives.go
index 22db67f..3fb8b3a 100644
--- a/gomoddirectives.go
+++ b/gomoddirectives.go
@@ -6,6 +6,7 @@ import (
 	"go/token"
 	"strings"
 
+	"github.com/ldez/grignotin/gomod"
 	"golang.org/x/mod/modfile"
 	"golang.org/x/tools/go/analysis"
 )
@@ -49,7 +50,7 @@ type Options struct {
 
 // AnalyzePass analyzes a pass.
 func AnalyzePass(pass *analysis.Pass, opts Options) ([]Result, error) {
-	info, err := getModuleInfo()
+	info, err := gomod.GetModuleInfo()
 	if err != nil {
 		return nil, fmt.Errorf("get information about modules: %w", err)
 	}
diff --git a/module.go b/module.go
index d6a4298..7f74d0b 100644
--- a/module.go
+++ b/module.go
@@ -61,38 +61,3 @@ func parseGoMod(goMod string) (*modfile.File, error) {
 
 	return modfile.Parse("go.mod", raw, nil)
 }
-
-func getModuleInfo() ([]modInfo, error) {
-	// https://github.com/golang/go/issues/44753#issuecomment-790089020
-	cmd := exec.Command("go", "list", "-m", "-json")
-
-	out, err := cmd.Output()
-	if err != nil {
-		return nil, fmt.Errorf("command go list: %w: %s", err, string(out))
-	}
-
-	var infos []modInfo
-
-	for dec := json.NewDecoder(bytes.NewBuffer(out)); dec.More(); {
-		var v modInfo
-		if err := dec.Decode(&v); err != nil {
-			return nil, fmt.Errorf("unmarshaling error: %w: %s", err, string(out))
-		}
-
-		if v.GoMod == "" {
-			return nil, errors.New("working directory is not part of a module")
-		}
-
-		if !v.Main || v.Dir == "" {
-			continue
-		}
-
-		infos = append(infos, v)
-	}
-
-	if len(infos) == 0 {
-		return nil, errors.New("go.mod file not found")
-	}
-
-	return infos, nil
-}