exclude initial commit

cmd/context.go

@@ -0,0 +1,21 @@
+package cmd
+
+import (
+	"context"
+	"os"
+)
+
+type contextKey string
+
+const fileContextKey contextKey = "excludeFile"
+
+// ContextWithFile returns a new context with the given file set.
+func ContextWithFile(ctx context.Context, file *os.File) context.Context {
+	return context.WithValue(ctx, fileContextKey, file)
+}
+
+// FileFromContext retrieves the file from the context, if it exists.
+func FileFromContext(ctx context.Context) (*os.File, bool) {
+	file, ok := ctx.Value(fileContextKey).(*os.File)
+	return file, ok
+}