feat: pass environment to go compiler

Signed-off-by: Christian Stewart <christian@aperture.us>

.gitignore

@@ -3,3 +3,4 @@ vendor/
 dist/
 goweight
 .vscode/
+.aider*

pkg/goweight.go

@@ -1,7 +1,6 @@
 package pkg
 
 import (
-	"io/ioutil"
 	"log"
 	"os"
 	"os/exec"
@@ -16,8 +15,10 @@ import (
 
 var moduleRegex = regexp.MustCompile("packagefile (.*)=(.*)")
 
-func run(cmd []string) string {
-	out, err := exec.Command(cmd[0], cmd[1:]...).CombinedOutput()
+func run(cmd []string, env []string) string {
+	c := exec.Command(cmd[0], cmd[1:]...)
+	c.Env = append(os.Environ(), env...)
+	out, err := c.CombinedOutput()
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -59,7 +60,7 @@ func NewGoWeight() *GoWeight {
 }
 
 func (g *GoWeight) BuildCurrent() string {
-	d := strings.Split(strings.TrimSpace(run(g.BuildCmd)), "\n")[0]
+	d := strings.Split(strings.TrimSpace(run(g.BuildCmd, nil)), "\n")[0]
 	return strings.Split(strings.TrimSpace(d), "=")[1]
 }
 
@@ -71,7 +72,7 @@ func (g *GoWeight) Process(work string) []*ModuleEntry {
 	}
 
 	allLines := funk.Uniq(funk.FlattenDeep(funk.Map(files, func(file string) []string {
-		f, err := ioutil.ReadFile(file)
+		f, err := os.ReadFile(file)
 		if err != nil {
 			return []string{}
 		}