diff --git a/revision.c b/revision.c
index 56b09eb315cc96cb2611fe8497299b293c4783e3..db60f06c98137f6e6e95727450d2842a0d4fb2a6 100644 (file)
--- a/revision.c
+++ b/revision.c
#include "reflog-walk.h"
#include "patch-ids.h"
#include "decorate.h"
+#include "log-tree.h"
volatile show_early_output_fn_t show_early_output;
@@ -301,6 +302,24 @@ static int rev_compare_tree(struct rev_info *revs, struct commit *parent, struct
if (!t1)
return REV_TREE_NEW;
+
+ if (revs->simplify_by_decoration) {
+ /*
+ * If we are simplifying by decoration, then the commit
+ * is worth showing if it has a tag pointing at it.
+ */
+ if (lookup_decoration(&name_decoration, &commit->object))
+ return REV_TREE_DIFFERENT;
+ /*
+ * A commit that is not pointed by a tag is uninteresting
+ * if we are not limited by path. This means that you will
+ * see the usual "commits that touch the paths" plus any
+ * tagged commit by specifying both --simplify-by-decoration
+ * and pathspec.
+ */
+ if (!revs->prune_data)
+ return REV_TREE_SAME;
+ }
if (!t2)
return REV_TREE_DIFFERENT;
tree_difference = REV_TREE_SAME;
int num = ++revs->num_ignore_packed;
revs->ignore_packed = xrealloc(revs->ignore_packed,
- sizeof(const char **) * (num + 1));
+ sizeof(const char *) * (num + 1));
revs->ignore_packed[num-1] = name;
revs->ignore_packed[num] = NULL;
}
@@ -1041,6 +1060,14 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->rewrite_parents = 1;
revs->simplify_history = 0;
revs->limited = 1;
+ } else if (!strcmp(arg, "--simplify-by-decoration")) {
+ revs->simplify_merges = 1;
+ revs->rewrite_parents = 1;
+ revs->simplify_history = 0;
+ revs->simplify_by_decoration = 1;
+ revs->limited = 1;
+ revs->prune = 1;
+ load_ref_decorations();
} else if (!strcmp(arg, "--date-order")) {
revs->lifo = 0;
revs->topo_order = 1;