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-rw-r--r--revision.c32
1 files changed, 27 insertions, 5 deletions
diff --git a/revision.c b/revision.c
index 99c75c939d..1c0192f522 100644
--- a/revision.c
+++ b/revision.c
@@ -1,3 +1,5 @@
+#define USE_THE_REPOSITORY_VARIABLE
+
#include "git-compat-util.h"
#include "config.h"
#include "environment.h"
@@ -29,6 +31,7 @@
#include "bisect.h"
#include "packfile.h"
#include "worktree.h"
+#include "path.h"
#include "read-cache.h"
#include "setup.h"
#include "sparse-index.h"
@@ -844,17 +847,28 @@ static int rev_compare_tree(struct rev_info *revs,
return tree_difference;
}
-static int rev_same_tree_as_empty(struct rev_info *revs, struct commit *commit)
+static int rev_same_tree_as_empty(struct rev_info *revs, struct commit *commit,
+ int nth_parent)
{
struct tree *t1 = repo_get_commit_tree(the_repository, commit);
+ int bloom_ret = -1;
if (!t1)
return 0;
+ if (!nth_parent && revs->bloom_keys_nr) {
+ bloom_ret = check_maybe_different_in_bloom_filter(revs, commit);
+ if (!bloom_ret)
+ return 1;
+ }
+
tree_difference = REV_TREE_SAME;
revs->pruning.flags.has_changes = 0;
diff_tree_oid(NULL, &t1->object.oid, "", &revs->pruning);
+ if (bloom_ret == 1 && tree_difference == REV_TREE_SAME)
+ count_bloom_filter_false_positive++;
+
return tree_difference == REV_TREE_SAME;
}
@@ -892,7 +906,7 @@ static int compact_treesame(struct rev_info *revs, struct commit *commit, unsign
if (nth_parent != 0)
die("compact_treesame %u", nth_parent);
old_same = !!(commit->object.flags & TREESAME);
- if (rev_same_tree_as_empty(revs, commit))
+ if (rev_same_tree_as_empty(revs, commit, nth_parent))
commit->object.flags |= TREESAME;
else
commit->object.flags &= ~TREESAME;
@@ -988,7 +1002,14 @@ static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit)
return;
if (!commit->parents) {
- if (rev_same_tree_as_empty(revs, commit))
+ /*
+ * Pretend as if we are comparing ourselves to the
+ * (non-existent) first parent of this commit object. Even
+ * though no such parent exists, its changed-path Bloom filter
+ * (if one exists) is relative to the empty tree, using Bloom
+ * filters is allowed here.
+ */
+ if (rev_same_tree_as_empty(revs, commit, 0))
commit->object.flags |= TREESAME;
return;
}
@@ -1069,7 +1090,7 @@ 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(revs, p)) {
+ rev_same_tree_as_empty(revs, p, nth_parent)) {
/* We are adding all the specified
* paths from this parent, so the
* history beyond this parent is not
@@ -2662,10 +2683,11 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
} else if (!strcmp(arg, "--invert-grep")) {
revs->grep_filter.no_body_match = 1;
} else if ((argcount = parse_long_opt("encoding", argv, &optarg))) {
+ free(git_log_output_encoding);
if (strcmp(optarg, "none"))
git_log_output_encoding = xstrdup(optarg);
else
- git_log_output_encoding = "";
+ git_log_output_encoding = xstrdup("");
return argcount;
} else if (!strcmp(arg, "--reverse")) {
revs->reverse ^= 1;