-#include "cache.h"
+#include "builtin.h"
 #include "run-command.h"
-#include "exec_cmd.h"
 
 static const char *pgm;
 static int one_shot, quiet;
                die("git merge-index: %s not in the cache", path);
        found = 0;
        do {
-               struct cache_entry *ce = active_cache[pos];
+               const struct cache_entry *ce = active_cache[pos];
                int stage = ce_stage(ce);
 
                if (strcmp(ce->name, path))
        return found;
 }
 
-static void merge_file(const char *path)
+static void merge_one_path(const char *path)
 {
        int pos = cache_name_pos(path, strlen(path));
 
 {
        int i;
        for (i = 0; i < active_nr; i++) {
-               struct cache_entry *ce = active_cache[i];
+               const struct cache_entry *ce = active_cache[i];
                if (!ce_stage(ce))
                        continue;
                i += merge_entry(i, ce->name)-1;
                        }
                        die("git merge-index: unknown option %s", arg);
                }
-               merge_file(arg);
+               merge_one_path(arg);
        }
        if (err && !quiet)
                die("merge program failed");