To correctly track the line ranges over several branches,
we must make sure that we have processed all children before
reaching the commit itself.
Thus we introduce a first pass in cmd_line_log that runs
prepare_revision_walk to achieve the topological ordering.
Signed-off-by: Bo Yang <struggleyb.nku@xxxxxxxxx>
---
builtin/log.c | 5 ++++-
line.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
line.h | 2 ++
revision.c | 6 ++++++
4 files changed, 66 insertions(+), 1 deletions(-)
diff --git a/builtin/log.c b/builtin/log.c
index 84d781e..0aa982b 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -616,7 +616,10 @@ int cmd_log(int argc, const char **argv, const char *prefix)
memset(&opt, 0, sizeof(opt));
opt.def = "HEAD";
cmd_log_init(argc, argv, prefix, &rev, &opt);
- return cmd_log_walk(&rev);
+ if (rev.line_level_traverse)
+ return cmd_line_log_walk(&rev);
+ else
+ return cmd_log_walk(&rev);
}
/* format-patch */
diff --git a/line.c b/line.c
index bd63d99..c17659a 100644
--- a/line.c
+++ b/line.c
@@ -1232,3 +1232,57 @@ static void line_log_flush(struct rev_info *rev, struct commit *c)
}
}
+int cmd_line_log_walk(struct rev_info *rev)
+{
+ struct commit *commit;
+ struct commit_list *list = NULL;
+ struct diff_line_range *r = NULL;
+
+ if (prepare_revision_walk(rev))
+ die("revision walk prepare failed");
+
+ list = rev->commits;
+ if (list) {
+ list->item->object.flags |= RANGE_UPDATE;
+ list = list->next;
+ }
+ /* Clear the flags */
+ while (list) {
+ list->item->object.flags &= ~(RANGE_UPDATE | EVIL_MERGE | NEED_PRINT);
+ list = list->next;
+ }
+
+ list = rev->commits;
+ while (list) {
+ struct commit_list *need_free = list;
+ commit = list->item;
+
+ if (commit->object.flags & RANGE_UPDATE) {
+ assign_parents_range(rev, commit);
+ }
+
+ if (commit->object.flags & NEED_PRINT) {
+ line_log_flush(rev, commit);
+ }
+
+ r = lookup_line_range(rev, commit);
+ if (r) {
+ cleanup(r);
+ r = NULL;
+ add_line_range(rev, commit, r);
+ }
+
+ r = lookup_decoration(&rev->nontrivial_merge, &commit->object);
+ if (r) {
+ cleanup(r);
+ r = NULL;
+ add_decoration(&rev->nontrivial_merge, &commit->object, r);
+ }
+
+ list = list->next;
+ free(need_free);
+ }
+
+ return 0;
+}
+
diff --git a/line.h b/line.h
index 7563536..3f5c827 100644
--- a/line.h
+++ b/line.h
@@ -134,4 +134,6 @@ extern struct diff_line_range *lookup_line_range(struct rev_info *revs,
const char *parse_loc(const char *spec, nth_line_fn_t nth_line,
void *data, long lines, long begin, long *ret);
+extern int cmd_line_log_walk(struct rev_info *rev);
+
#endif
diff --git a/revision.c b/revision.c
index 7e82efd..25c9a94 100644
--- a/revision.c
+++ b/revision.c
@@ -1637,6 +1637,12 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
if (revs->combine_merges)
revs->ignore_merges = 0;
revs->diffopt.abbrev = revs->abbrev;
+
+ if (revs->line_level_traverse) {
+ revs->limited = 1;
+ revs->topo_order = 1;
+ }
+
if (diff_setup_done(&revs->diffopt) < 0)
die("diff_setup_done failed");
--
1.7.2.20.g388bbb
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