claude: fold in old sow-tools

internal/topdata/assets_repo.go

@@ -0,0 +1,46 @@
+package topdata
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"strings"
+
+	"git.westgate.pw/ShadowsOverWestgate/sow-tools/internal/project"
+)
+
+func resolvePartsAssetsOverrideDir(p *project.Project) (string, error) {
+	spec := strings.TrimSpace(p.Config.TopData.Assets)
+	if spec == "" {
+		return "", nil
+	}
+	if looksLikeGitRepoSpec(spec) {
+		return "", fmt.Errorf("topdata.assets no longer supports git repo specs for parts discovery; use a local path override or the default released manifest")
+	}
+	path := p.TopDataAssetsDir()
+	if path == "" {
+		return "", nil
+	}
+	if _, err := os.Stat(path); err != nil {
+		return "", fmt.Errorf("configured topdata.assets path %s is not accessible: %w", path, err)
+	}
+	return path, nil
+}
+
+func looksLikeGitRepoSpec(value string) bool {
+	return strings.Contains(value, "://") ||
+		strings.HasPrefix(value, "git@") ||
+		strings.HasSuffix(value, ".git")
+}
+
+func gitOutput(dir string, args ...string) (string, error) {
+	cmd := exec.Command("git", args...)
+	if dir != "" {
+		cmd.Dir = dir
+	}
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		return "", fmt.Errorf("%v: %s", args, strings.TrimSpace(string(output)))
+	}
+	return strings.TrimSpace(string(output)), nil
+}