Reorder diff_opt_parse options more logically per topics.

diff --git a/revision.c b/revision.c
index 038693caba69a9274b632510c9ee8a14a87b6eee..f5b0e83ee35146a2cae9b71a9914bd818268d4ac 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -250,7 +250,7 @@ static void file_add_remove(struct diff_options *options,
        }
        tree_difference = diff;
        if (tree_difference == REV_TREE_DIFFERENT)
-               options->has_changes = 1;
+               DIFF_OPT_SET(options, HAS_CHANGES);
 }
 
 static void file_change(struct diff_options *options,
@@ -260,7 +260,7 @@ static void file_change(struct diff_options *options,
                 const char *base, const char *path)
 {
        tree_difference = REV_TREE_DIFFERENT;
-       options->has_changes = 1;
+       DIFF_OPT_SET(options, HAS_CHANGES);
 }
 
 static int rev_compare_tree(struct rev_info *revs, struct tree *t1, struct tree *t2)
@@ -270,7 +270,7 @@ static int rev_compare_tree(struct rev_info *revs, struct tree *t1, struct tree
        if (!t2)
                return REV_TREE_DIFFERENT;
        tree_difference = REV_TREE_SAME;
-       revs->pruning.has_changes = 0;
+       DIFF_OPT_CLR(&revs->pruning, HAS_CHANGES);
        if (diff_tree_sha1(t1->object.sha1, t2->object.sha1, "",
                           &revs->pruning) < 0)
                return REV_TREE_DIFFERENT;
@@ -294,7 +294,7 @@ static int rev_same_tree_as_empty(struct rev_info *revs, struct tree *t1)
        init_tree_desc(&empty, "", 0);
 
        tree_difference = REV_TREE_SAME;
-       revs->pruning.has_changes = 0;
+       DIFF_OPT_CLR(&revs->pruning, HAS_CHANGES);
        retval = diff_tree(&empty, &real, "", &revs->pruning);
        free(tree);
 
@@ -662,8 +662,8 @@ void init_revisions(struct rev_info *revs, const char *prefix)
        revs->abbrev = DEFAULT_ABBREV;
        revs->ignore_merges = 1;
        revs->simplify_history = 1;
-       revs->pruning.recursive = 1;
-       revs->pruning.quiet = 1;
+       DIFF_OPT_SET(&revs->pruning, RECURSIVE);
+       DIFF_OPT_SET(&revs->pruning, QUIET);
        revs->pruning.add_remove = file_add_remove;
        revs->pruning.change = file_change;
        revs->lifo = 1;
@@ -896,7 +896,8 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                        continue;
                argv[i] = NULL;
                argc = i;
-               revs->prune_data = get_pathspec(revs->prefix, argv + i + 1);
+               if (argv[i + 1])
+                       revs->prune_data = get_pathspec(revs->prefix, argv + i + 1);
                seen_dashdash = 1;
                break;
        }
@@ -1023,6 +1024,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                        }
                        if (!strcmp(arg, "--cherry-pick")) {
                                revs->cherry_pick = 1;
+                               revs->limited = 1;
                                continue;
                        }
                        if (!strcmp(arg, "--objects")) {
@@ -1052,13 +1054,13 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                        }
                        if (!strcmp(arg, "-r")) {
                                revs->diff = 1;
-                               revs->diffopt.recursive = 1;
+                               DIFF_OPT_SET(&revs->diffopt, RECURSIVE);
                                continue;
                        }
                        if (!strcmp(arg, "-t")) {
                                revs->diff = 1;
-                               revs->diffopt.recursive = 1;
-                               revs->diffopt.tree_in_recursive = 1;
+                               DIFF_OPT_SET(&revs->diffopt, RECURSIVE);
+                               DIFF_OPT_SET(&revs->diffopt, TREE_IN_RECURSIVE);
                                continue;
                        }
                        if (!strcmp(arg, "-m")) {
@@ -1132,22 +1134,11 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                                continue;
                        }
                        if (!strncmp(arg, "--date=", 7)) {
-                               if (!strcmp(arg + 7, "relative"))
-                                       revs->date_mode = DATE_RELATIVE;
-                               else if (!strcmp(arg + 7, "iso8601") ||
-                                        !strcmp(arg + 7, "iso"))
-                                       revs->date_mode = DATE_ISO8601;
-                               else if (!strcmp(arg + 7, "rfc2822") ||
-                                        !strcmp(arg + 7, "rfc"))
-                                       revs->date_mode = DATE_RFC2822;
-                               else if (!strcmp(arg + 7, "short"))
-                                       revs->date_mode = DATE_SHORT;
-                               else if (!strcmp(arg + 7, "local"))
-                                       revs->date_mode = DATE_LOCAL;
-                               else if (!strcmp(arg + 7, "default"))
-                                       revs->date_mode = DATE_NORMAL;
-                               else
-                                       die("unknown date format %s", arg);
+                               revs->date_mode = parse_date_format(arg + 7);
+                               continue;
+                       }
+                       if (!strcmp(arg, "--log-size")) {
+                               revs->show_log_size = 1;
                                continue;
                        }
 
@@ -1203,8 +1194,6 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 
                        opts = diff_opt_parse(&revs->diffopt, argv+i, argc-i);
                        if (opts > 0) {
-                               if (strcmp(argv[i], "-z"))
-                                       revs->diff = 1;
                                i += opts - 1;
                                continue;
                        }
@@ -1248,13 +1237,21 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                add_pending_object_with_mode(revs, object, def, mode);
        }
 
+       /* Did the user ask for any diff output? Run the diff! */
+       if (revs->diffopt.output_format & ~DIFF_FORMAT_NO_OUTPUT)
+               revs->diff = 1;
+
+       /* Pickaxe and rename following needs diffs */
+       if (revs->diffopt.pickaxe || DIFF_OPT_TST(&revs->diffopt, FOLLOW_RENAMES))
+               revs->diff = 1;
+
        if (revs->topo_order)
                revs->limited = 1;
 
        if (revs->prune_data) {
                diff_tree_setup_paths(revs->prune_data, &revs->pruning);
                /* Can't prune commits with rename following: the paths change.. */
-               if (!revs->diffopt.follow_renames)
+               if (!DIFF_OPT_TST(&revs->diffopt, FOLLOW_RENAMES))
                        revs->prune_fn = try_to_simplify_commit;
                if (!revs->full_diff)
                        diff_tree_setup_paths(revs->prune_data, &revs->diffopt);
@@ -1273,6 +1270,9 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                compile_grep_patterns(revs->grep_filter);
        }
 
+       if (revs->reverse && revs->reflog_info)
+               die("cannot combine --reverse with --walk-reflogs");
+
        return left;
 }