Move the Go build source reader out of internal/builder so the builder can go (issue 1851, C1a)

cmd/mesh-controller/upgrades.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"flag"
 	"fmt"
+	"github.com/novox/mesh-controller/internal/gosource"
 	"regexp"
 	"slices"
 	"sort"
@@ -13,7 +14,6 @@ import (
 	"time"
 
 	"git.novox.be/novox/mesh-sdk/go/catalogue"
-	"github.com/novox/mesh-controller/internal/builder"
 	"github.com/novox/mesh-controller/internal/inventory"
 	"github.com/novox/mesh-controller/internal/link"
 )
@@ -483,7 +483,7 @@ func whyMoved(e inventory.Entry, read []inventory.ReadRepository, m link.SourceM
 	held := func(paths []string) []string {
 		var in []string
 		for _, p := range m.Paths {
-			if builder.SourceHolds(paths, p) {
+			if gosource.SourceHolds(paths, p) {
 				in = append(in, p)
 			}
 		}
@@ -670,7 +670,7 @@ func readsFrom(read []inventory.ReadRepository, m link.SourceMoved) bool {
 			return true
 		}
 		for _, p := range m.Paths {
-			if builder.SourceHolds(r.Paths, p) {
+			if gosource.SourceHolds(r.Paths, p) {
 				return true
 			}
 		}
@@ -695,7 +695,7 @@ func ownSource(read []inventory.ReadRepository) []string {
 // for a module built from the repository's root.
 func readsFile(e inventory.Entry, read []inventory.ReadRepository, p string) bool {
 	if own := ownSource(read); own != nil {
-		return builder.SourceHolds(own, p)
+		return gosource.SourceHolds(own, p)
 	}
 	return readsDirectory(e, p)
 }