summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/revwalk.c22
-rw-r--r--src/revwalk.h3
2 files changed, 20 insertions, 5 deletions
diff --git a/src/revwalk.c b/src/revwalk.c
index 1ff41bfb1..9e1e39ca4 100644
--- a/src/revwalk.c
+++ b/src/revwalk.c
@@ -99,10 +99,14 @@ static int process_commit(git_revwalk *walk, git_commit_list_node *commit, int h
static int process_commit_parents(git_revwalk *walk, git_commit_list_node *commit)
{
- unsigned short i;
+ unsigned short i, max;
int error = 0;
- for (i = 0; i < commit->out_degree && !error; ++i)
+ max = commit->out_degree;
+ if (walk->first_parent && commit->out_degree)
+ max = 1;
+
+ for (i = 0; i < max && !error; ++i)
error = process_commit(walk, commit->parents[i], commit->uninteresting);
return error;
@@ -333,7 +337,7 @@ static int revwalk_next_unsorted(git_commit_list_node **object_out, git_revwalk
static int revwalk_next_toposort(git_commit_list_node **object_out, git_revwalk *walk)
{
git_commit_list_node *next;
- unsigned short i;
+ unsigned short i, max;
for (;;) {
next = git_commit_list_pop(&walk->iterator_topo);
@@ -347,7 +351,12 @@ static int revwalk_next_toposort(git_commit_list_node **object_out, git_revwalk
continue;
}
- for (i = 0; i < next->out_degree; ++i) {
+
+ max = next->out_degree;
+ if (walk->first_parent && next->out_degree)
+ max = 1;
+
+ for (i = 0; i < max; ++i) {
git_commit_list_node *parent = next->parents[i];
if (--parent->in_degree == 0 && parent->topo_delay) {
@@ -505,6 +514,11 @@ void git_revwalk_sorting(git_revwalk *walk, unsigned int sort_mode)
}
}
+void git_revwalk_simplify_first_parent(git_revwalk *walk)
+{
+ walk->first_parent = 1;
+}
+
int git_revwalk_next(git_oid *oid, git_revwalk *walk)
{
int error;
diff --git a/src/revwalk.h b/src/revwalk.h
index 22696dfcd..8c821d098 100644
--- a/src/revwalk.h
+++ b/src/revwalk.h
@@ -31,7 +31,8 @@ struct git_revwalk {
int (*get_next)(git_commit_list_node **, git_revwalk *);
int (*enqueue)(git_revwalk *, git_commit_list_node *);
- unsigned walking:1;
+ unsigned walking:1,
+ first_parent: 1;
unsigned int sorting;
/* merge base calculation */