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-rw-r--r--revision.c75
1 files changed, 53 insertions, 22 deletions
diff --git a/revision.c b/revision.c
index 0e39b2b8a5..5bc96444b6 100644
--- a/revision.c
+++ b/revision.c
@@ -870,7 +870,19 @@ static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit)
}
parent->next = NULL;
commit->parents = parent;
- commit->object.flags |= TREESAME;
+
+ /*
+ * A merge commit is a "diversion" if it is not
+ * TREESAME to its first parent but is TREESAME
+ * to a later parent. In the simplified history,
+ * we "divert" the history walk to the later
+ * parent. These commits are shown when "show_pulls"
+ * is enabled, so do not mark the object as
+ * TREESAME here.
+ */
+ if (!revs->show_pulls || !nth_parent)
+ commit->object.flags |= TREESAME;
+
return;
case REV_TREE_NEW:
@@ -897,6 +909,10 @@ static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit)
relevant_change = 1;
else
irrelevant_change = 1;
+
+ if (!nth_parent)
+ commit->object.flags |= PULL_MERGE;
+
continue;
}
die("bad tree compare for commit %s", oid_to_hex(&commit->object.oid));
@@ -1668,7 +1684,7 @@ void repo_init_revisions(struct repository *r,
revs->diffopt.prefix_length = strlen(prefix);
}
- revs->notes_opt.use_default_notes = -1;
+ init_display_notes(&revs->notes_opt);
}
static void add_pending_commit_list(struct rev_info *revs,
@@ -2203,9 +2219,8 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
die("'%s': not a non-negative integer", arg);
revs->expand_tabs_in_log = val;
} else if (!strcmp(arg, "--show-notes") || !strcmp(arg, "--notes")) {
- revs->show_notes = 1;
+ enable_default_display_notes(&revs->notes_opt, &revs->show_notes);
revs->show_notes_given = 1;
- revs->notes_opt.use_default_notes = 1;
} else if (!strcmp(arg, "--show-signature")) {
revs->show_signature = 1;
} else if (!strcmp(arg, "--no-show-signature")) {
@@ -2220,25 +2235,14 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->track_first_time = 1;
} else if (skip_prefix(arg, "--show-notes=", &optarg) ||
skip_prefix(arg, "--notes=", &optarg)) {
- struct strbuf buf = STRBUF_INIT;
- revs->show_notes = 1;
- revs->show_notes_given = 1;
if (starts_with(arg, "--show-notes=") &&
revs->notes_opt.use_default_notes < 0)
revs->notes_opt.use_default_notes = 1;
- strbuf_addstr(&buf, optarg);
- expand_notes_ref(&buf);
- string_list_append(&revs->notes_opt.extra_notes_refs,
- strbuf_detach(&buf, NULL));
+ enable_ref_display_notes(&revs->notes_opt, &revs->show_notes, optarg);
+ revs->show_notes_given = 1;
} else if (!strcmp(arg, "--no-notes")) {
- revs->show_notes = 0;
+ disable_display_notes(&revs->notes_opt, &revs->show_notes);
revs->show_notes_given = 1;
- revs->notes_opt.use_default_notes = -1;
- /* we have been strdup'ing ourselves, so trick
- * string_list into free()ing strings */
- revs->notes_opt.extra_notes_refs.strdup_strings = 1;
- string_list_clear(&revs->notes_opt.extra_notes_refs, 0);
- revs->notes_opt.extra_notes_refs.strdup_strings = 0;
} else if (!strcmp(arg, "--standard-notes")) {
revs->show_notes_given = 1;
revs->notes_opt.use_default_notes = 1;
@@ -2253,6 +2257,10 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->topo_order = 1;
revs->rewrite_parents = 1;
revs->graph = graph_init(revs);
+ } else if (!strcmp(arg, "--encode-email-headers")) {
+ revs->encode_email_headers = 1;
+ } else if (!strcmp(arg, "--no-encode-email-headers")) {
+ revs->encode_email_headers = 0;
} else if (!strcmp(arg, "--root")) {
revs->show_root_diff = 1;
} else if (!strcmp(arg, "--no-commit-id")) {
@@ -2277,6 +2285,8 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
} else if (!strcmp(arg, "--full-diff")) {
revs->diff = 1;
revs->full_diff = 1;
+ } else if (!strcmp(arg, "--show-pulls")) {
+ revs->show_pulls = 1;
} else if (!strcmp(arg, "--full-history")) {
revs->simplify_history = 0;
} else if (!strcmp(arg, "--relative-date")) {
@@ -3031,7 +3041,8 @@ static struct commit_list **simplify_one(struct rev_info *revs, struct commit *c
if (!cnt ||
(commit->object.flags & UNINTERESTING) ||
!(commit->object.flags & TREESAME) ||
- (parent = one_relevant_parent(revs, commit->parents)) == NULL)
+ (parent = one_relevant_parent(revs, commit->parents)) == NULL ||
+ (revs->show_pulls && (commit->object.flags & PULL_MERGE)))
st->simplified = commit;
else {
pst = locate_simplify_state(revs, parent);
@@ -3098,7 +3109,7 @@ static void set_children(struct rev_info *revs)
void reset_revision_walk(void)
{
- clear_object_flags(SEEN | ADDED | SHOWN);
+ clear_object_flags(SEEN | ADDED | SHOWN | TOPO_WALK_EXPLORED | TOPO_WALK_INDEGREE);
}
static int mark_uninteresting(const struct object_id *oid,
@@ -3211,10 +3222,26 @@ static void compute_indegrees_to_depth(struct rev_info *revs,
indegree_walk_step(revs);
}
+static void reset_topo_walk(struct rev_info *revs)
+{
+ struct topo_walk_info *info = revs->topo_walk_info;
+
+ clear_prio_queue(&info->explore_queue);
+ clear_prio_queue(&info->indegree_queue);
+ clear_prio_queue(&info->topo_queue);
+ clear_indegree_slab(&info->indegree);
+ clear_author_date_slab(&info->author_date);
+
+ FREE_AND_NULL(revs->topo_walk_info);
+}
+
static void init_topo_walk(struct rev_info *revs)
{
struct topo_walk_info *info;
struct commit_list *list;
+ if (revs->topo_walk_info)
+ reset_topo_walk(revs);
+
revs->topo_walk_info = xmalloc(sizeof(struct topo_walk_info));
info = revs->topo_walk_info;
memset(info, 0, sizeof(struct topo_walk_info));
@@ -3598,6 +3625,10 @@ enum commit_action get_commit_action(struct rev_info *revs, struct commit *commi
/* drop merges unless we want parenthood */
if (!want_ancestry(revs))
return commit_ignore;
+
+ if (revs->show_pulls && (commit->object.flags & PULL_MERGE))
+ return commit_show;
+
/*
* If we want ancestry, then need to keep any merges
* between relevant commits to tie together topology.
@@ -3944,7 +3975,7 @@ struct commit *get_revision(struct rev_info *revs)
return c;
}
-char *get_revision_mark(const struct rev_info *revs, const struct commit *commit)
+const char *get_revision_mark(const struct rev_info *revs, const struct commit *commit)
{
if (commit->object.flags & BOUNDARY)
return "-";
@@ -3966,7 +3997,7 @@ char *get_revision_mark(const struct rev_info *revs, const struct commit *commit
void put_revision_mark(const struct rev_info *revs, const struct commit *commit)
{
- char *mark = get_revision_mark(revs, commit);
+ const char *mark = get_revision_mark(revs, commit);
if (!strlen(mark))
return;
fputs(mark, stdout);