merge-tool documentation: describe custom command usage

diff --git a/builtin-mv.c b/builtin-mv.c
index a3f9ad174492827e42f2854287fab19915d8ef76..68aa2a68bb8f4232732829ba7d9459bbef3c7ad5 100644 (file)
--- a/builtin-mv.c
+++ b/builtin-mv.c
@@ -19,6 +19,7 @@ static const char **copy_pathspec(const char *prefix, const char **pathspec,
                                  int count, int base_name)
 {
        int i;
+       int len = prefix ? strlen(prefix) : 0;
        const char **result = xmalloc((count + 1) * sizeof(const char *));
        memcpy(result, pathspec, count * sizeof(const char *));
        result[count] = NULL;
@@ -32,8 +33,11 @@ static const char **copy_pathspec(const char *prefix, const char **pathspec,
                        if (last_slash)
                                result[i] = last_slash + 1;
                }
+               result[i] = prefix_path(prefix, len, result[i]);
+               if (!result[i])
+                       exit(1); /* error already given */
        }
-       return get_pathspec(prefix, result);
+       return result;
 }
 
 static void show_list(const char *label, struct path_list *list)
@@ -164,7 +168,7 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
                                }
 
                                dst = add_slash(dst);
-                               dst_len = strlen(dst) - 1;
+                               dst_len = strlen(dst);
 
                                for (j = 0; j < last - first; j++) {
                                        const char *path =
@@ -172,7 +176,7 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
                                        source[argc + j] = path;
                                        destination[argc + j] =
                                                prefix_path(dst, dst_len,
-                                                       path + length);
+                                                       path + length + 1);
                                        modes[argc + j] = INDEX;
                                }
                                argc += last - first;
@@ -264,7 +268,6 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
 
                if (active_cache_changed) {
                        if (write_cache(newfd, active_cache, active_nr) ||
-                           close(newfd) ||
                            commit_locked_index(&lock_file))
                                die("Unable to write new index file");
                }