feat: optionally capture golang binary symbols (#4988)

---------
Signed-off-by: Christopher Phillips <32073428+spiffcs@users.noreply.github.com>
Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>
Co-authored-by: Alex Goodman <wagoodman@users.noreply.github.com>

cmd/syft/internal/options/golang_test.go

@@ -0,0 +1,57 @@
+package options
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/anchore/syft/syft/cataloging"
+)
+
+func Test_golangConfig_PostLoad(t *testing.T) {
+	tests := []struct {
+		name     string
+		cfg      golangConfig
+		expected cataloging.SymbolScope
+		wantErr  assert.ErrorAssertionFunc
+	}{
+		{
+			name:     "normalize all",
+			cfg:      golangConfig{CaptureSymbols: "all"},
+			expected: cataloging.SymbolScopeAll,
+		},
+		{
+			name:     "normalize stdlib",
+			cfg:      golangConfig{CaptureSymbols: "stdlib"},
+			expected: cataloging.SymbolScopeStdlib,
+		},
+		{
+			name:     "empty defaults to none",
+			cfg:      golangConfig{CaptureSymbols: ""},
+			expected: cataloging.SymbolScopeNone,
+		},
+		{
+			name:     "invalid value defaults to none",
+			cfg:      golangConfig{CaptureSymbols: "bogus"},
+			expected: cataloging.SymbolScopeNone,
+		},
+		{
+			name:     "boolean spellings default to none",
+			cfg:      golangConfig{CaptureSymbols: "true"},
+			expected: cataloging.SymbolScopeNone,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.wantErr == nil {
+				tt.wantErr = assert.NoError
+			}
+			err := tt.cfg.PostLoad()
+			tt.wantErr(t, err)
+			if err != nil {
+				return
+			}
+			assert.Equal(t, tt.expected, tt.cfg.CaptureSymbols)
+		})
+	}
+}