4 files changed, 48 insertions, 2 deletions

diff --git a/bloom.c b/bloom.c
index e2ede44126..c38d1cff0c 100644
--- a/bloom.c
+++ b/bloom.c
@@ -138,6 +138,11 @@ void fill_bloom_key(const char *data,
 		key->hashes[i] = hash0 + i * hash1;
 }
 
+void clear_bloom_key(struct bloom_key *key)
+{
+	FREE_AND_NULL(key->hashes);
+}
+
 void add_key_to_filter(const struct bloom_key *key,
 		       struct bloom_filter *filter,
 		       const struct bloom_filter_settings *settings)
diff --git a/bloom.h b/bloom.h
index a51e371529..d0c69172e6 100644
--- a/bloom.h
+++ b/bloom.h
@@ -72,6 +72,7 @@ void fill_bloom_key(const char *data,
 		    size_t len,
 		    struct bloom_key *key,
 		    const struct bloom_filter_settings *settings);
+void clear_bloom_key(struct bloom_key *key);
 
 void add_key_to_filter(const struct bloom_key *key,
 		       struct bloom_filter *filter,
diff --git a/line-log.c b/line-log.c
index 520ee715bc..7dc411da8f 100644
--- a/line-log.c
+++ b/line-log.c
@@ -15,6 +15,7 @@
 #include "userdiff.h"
 #include "line-log.h"
 #include "argv-array.h"
+#include "bloom.h"
 
 static void range_set_grow(struct range_set *rs, size_t extra)
 {
@@ -1146,6 +1147,37 @@ int line_log_print(struct rev_info *rev, struct commit *commit)
 	return 1;
 }
 
+static int bloom_filter_check(struct rev_info *rev,
+			      struct commit *commit,
+			      struct line_log_data *range)
+{
+	struct bloom_filter *filter;
+	struct bloom_key key;
+	int result = 0;
+
+	if (!commit->parents)
+		return 1;
+
+	if (!rev->bloom_filter_settings ||
+	    !(filter = get_bloom_filter(rev->repo, commit, 0)))
+		return 1;
+
+	if (!range)
+		return 0;
+
+	while (!result && range) {
+		fill_bloom_key(range->path, strlen(range->path), &key, rev->bloom_filter_settings);
+
+		if (bloom_filter_contains(filter, &key, rev->bloom_filter_settings))
+			result = 1;
+
+		clear_bloom_key(&key);
+		range = range->next;
+	}
+
+	return result;
+}
+
 static int process_ranges_ordinary_commit(struct rev_info *rev, struct commit *commit,
 					  struct line_log_data *range)
 {
@@ -1159,6 +1191,7 @@ static int process_ranges_ordinary_commit(struct rev_info *rev, struct commit *c
 
 	queue_diffs(range, &rev->diffopt, &queue, commit, parent);
 	changed = process_all_files(&parent_range, rev, &queue, range);
+
 	if (parent)
 		add_line_range(rev, parent, parent_range);
 	free_line_log_data(parent_range);
@@ -1233,7 +1266,11 @@ int line_log_process_ranges_arbitrary_commit(struct rev_info *rev, struct commit
 	int changed = 0;
 
 	if (range) {
-		if (!commit->parents || !commit->parents->next)
+		if (commit->parents && !bloom_filter_check(rev, commit, range)) {
+			struct line_log_data *prange = line_log_data_copy(range);
+			add_line_range(rev, commit->parents->item, prange);
+			clear_commit_line_range(rev, commit);
+		} else if (!commit->parents || !commit->parents->next)
 			changed = process_ranges_ordinary_commit(rev, commit, range);
 		else
 			changed = process_ranges_merge_commit(rev, commit, range);
diff --git a/revision.c b/revision.c
index 3356ede9a2..cbf4b61aa6 100644
--- a/revision.c
+++ b/revision.c
@@ -689,6 +689,9 @@ static void prepare_to_use_bloom_filter(struct rev_info *revs)
 	if (!revs->bloom_filter_settings)
 		return;
 
+	if (!revs->pruning.pathspec.nr)
+		return;
+
 	pi = &revs->pruning.pathspec.items[0];
 	last_index = pi->len - 1;
 
@@ -3501,7 +3504,7 @@ int prepare_revision_walk(struct rev_info *revs)
 				       FOR_EACH_OBJECT_PROMISOR_ONLY);
 	}
 
-	if (revs->pruning.pathspec.nr == 1 && !revs->reflog_info)
+	if (!revs->reflog_info)
 		prepare_to_use_bloom_filter(revs);
 	if (revs->no_walk != REVISION_WALK_NO_WALK_UNSORTED)
 		commit_list_sort_by_date(&revs->commits);