X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=revision.c;h=0505f3f455151ac2fafc7fe2df2e6fd147d20f08;hb=42b5c78845feb44f1d36eecad4c72336d5c2a9c5;hp=ce35b5a7e6960383debb4541c573ecf02d192cae;hpb=12d81ce59846e17676c5534257ca2f1783829d63;p=git.git

diff --git a/revision.c b/revision.c
index ce35b5a7..0505f3f4 100644
--- a/revision.c
+++ b/revision.c
@@ -233,25 +233,20 @@ static void file_change(struct diff_options *options,
 	tree_difference = REV_TREE_DIFFERENT;
 }
 
-static struct diff_options diff_opt = {
-	.recursive = 1,
-	.add_remove = file_add_remove,
-	.change = file_change,
-};
-
-int rev_compare_tree(struct tree *t1, struct tree *t2)
+int rev_compare_tree(struct rev_info *revs, struct tree *t1, struct tree *t2)
 {
 	if (!t1)
 		return REV_TREE_NEW;
 	if (!t2)
 		return REV_TREE_DIFFERENT;
 	tree_difference = REV_TREE_SAME;
-	if (diff_tree_sha1(t1->object.sha1, t2->object.sha1, "", &diff_opt) < 0)
+	if (diff_tree_sha1(t1->object.sha1, t2->object.sha1, "",
+			   &revs->diffopt) < 0)
 		return REV_TREE_DIFFERENT;
 	return tree_difference;
 }
 
-int rev_same_tree_as_empty(struct tree *t1)
+int rev_same_tree_as_empty(struct rev_info *revs, struct tree *t1)
 {
 	int retval;
 	void *tree;
@@ -269,7 +264,7 @@ int rev_same_tree_as_empty(struct tree *t1)
 	empty.size = 0;
 
 	tree_difference = 0;
-	retval = diff_tree(&empty, &real, "", &diff_opt);
+	retval = diff_tree(&empty, &real, "", &revs->diffopt);
 	free(tree);
 
 	return retval >= 0 && !tree_difference;
@@ -284,7 +279,7 @@ static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit)
 		return;
 
 	if (!commit->parents) {
-		if (!rev_same_tree_as_empty(commit->tree))
+		if (!rev_same_tree_as_empty(revs, commit->tree))
 			commit->object.flags |= TREECHANGE;
 		return;
 	}
@@ -294,7 +289,7 @@ static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit)
 		struct commit *p = parent->item;
 
 		parse_commit(p);
-		switch (rev_compare_tree(p->tree, commit->tree)) {
+		switch (rev_compare_tree(revs, p->tree, commit->tree)) {
 		case REV_TREE_SAME:
 			if (p->object.flags & UNINTERESTING) {
 				/* Even if a merge with an uninteresting
@@ -312,7 +307,7 @@ static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit)
 
 		case REV_TREE_NEW:
 			if (revs->remove_empty_trees &&
-			    rev_same_tree_as_empty(p->tree)) {
+			    rev_same_tree_as_empty(revs, p->tree)) {
 				/* We are adding all the specified
 				 * paths from this parent, so the
 				 * history beyond this parent is not
@@ -340,6 +335,10 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st
 {
 	struct commit_list *parent = commit->parents;
 
+	if (commit->object.flags & ADDED)
+		return;
+	commit->object.flags |= ADDED;
+
 	/*
 	 * If the commit is uninteresting, don't try to
 	 * prune parents - we want the maximal uninteresting
@@ -480,6 +479,9 @@ static void handle_all(struct rev_info *revs, unsigned flags)
 void init_revisions(struct rev_info *revs)
 {
 	memset(revs, 0, sizeof(*revs));
+	revs->diffopt.recursive = 1;
+	revs->diffopt.add_remove = file_add_remove;
+	revs->diffopt.change = file_change;
 	revs->lifo = 1;
 	revs->dense = 1;
 	revs->prefix = setup_git_directory();
@@ -703,15 +705,8 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 		revs->limited = 1;
 
 	if (revs->prune_data) {
-		diff_tree_setup_paths(revs->prune_data);
+		diff_tree_setup_paths(revs->prune_data, &revs->diffopt);
 		revs->prune_fn = try_to_simplify_commit;
-
-		/*
-		 * If we fix up parent data, we currently cannot
-		 * do that on-the-fly.
-		 */
-		if (revs->parents)
-			revs->limited = 1;
 	}
 
 	return left;
@@ -728,10 +723,12 @@ void prepare_revision_walk(struct rev_info *revs)
 					     revs->topo_getter);
 }
 
-static int rewrite_one(struct commit **pp)
+static int rewrite_one(struct rev_info *revs, struct commit **pp)
 {
 	for (;;) {
 		struct commit *p = *pp;
+		if (!revs->limited)
+			add_parents_to_list(revs, p, &revs->commits);
 		if (p->object.flags & (TREECHANGE | UNINTERESTING))
 			return 0;
 		if (!p->parents)
@@ -740,12 +737,12 @@ static int rewrite_one(struct commit **pp)
 	}
 }
 
-static void rewrite_parents(struct commit *commit)
+static void rewrite_parents(struct rev_info *revs, struct commit *commit)
 {
 	struct commit_list **pp = &commit->parents;
 	while (*pp) {
 		struct commit_list *parent = *pp;
-		if (rewrite_one(&parent->item) < 0) {
+		if (rewrite_one(revs, &parent->item) < 0) {
 			*pp = parent->next;
 			continue;
 		}
@@ -802,7 +799,7 @@ struct commit *get_revision(struct rev_info *revs)
 			if (!(commit->object.flags & TREECHANGE))
 				continue;
 			if (revs->parents)
-				rewrite_parents(commit);
+				rewrite_parents(revs, commit);
 		}
 		commit->object.flags |= SHOWN;
 		return commit;