If you bring up an editor, you will see it is a typical 3-way merge conflict resolution that you may be familiar with from other source code systems (the rest of ls.c has been omitted):
[source,shell]
+....
<<<<<<< HEAD
#ifdef COLORLS_NEW
#include <terminfo.h>
@@ -844,7 +846,9 @@
#include <termcap.h>
>>>>>>> 646e0f9cda11... no color ls
....
+
The new code is first, and your code is second.
+
The right fix here is to just add a #undef COLORLS_NEW before #ifdef and then delete the old changes:
[source,shell]
....
@@ -853,6 +857,7 @@
#include <terminfo.h>
....
save the file.
+
The rebase was interrupted, so you have to complete it: