diff --git a/fragment.c b/fragment.c
index c230d40..d42321d 100644
--- a/fragment.c
+++ b/fragment.c
@@ -66,6 +66,19 @@ pkg_fragment_add(pkg_fragment_t *head, const char *string)
 	return pkg_fragment_append(head, frag);
 }
 
+pkg_fragment_t *
+pkg_fragment_copy(pkg_fragment_t *head, pkg_fragment_t *base)
+{
+	pkg_fragment_t *frag;
+
+	frag = calloc(sizeof(pkg_fragment_t), 1);
+
+	frag->type = base->type;
+	frag->data = strdup(base->data);
+
+	return pkg_fragment_append(head, frag);
+}
+
 void
 pkg_fragment_delete(pkg_fragment_t *node)
 {
diff --git a/pkg.h b/pkg.h
index 9d0e77e..8787a91 100644
--- a/pkg.h
+++ b/pkg.h
@@ -136,6 +136,7 @@ int argv_split(const char *src, int *argc, char ***argv);
 /* fragment.c */
 pkg_fragment_t *pkg_fragment_append(pkg_fragment_t *head, pkg_fragment_t *tail);
 pkg_fragment_t *pkg_fragment_add(pkg_fragment_t *head, const char *string);
+pkg_fragment_t *pkg_fragment_copy(pkg_fragment_t *head, pkg_fragment_t *base);
 void pkg_fragment_delete(pkg_fragment_t *node);
 
 #endif