undef/git-commit-vandalism
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git-log --first-parent: show only the first parent log

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If your development history does not have fast-forward merges,
i.e. the "first parent" of commits in your history are special
than other parents, this option gives a better overview of the
evolution of a particular branch.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2007-03-13 01:57:22 -07:00
parent 803527f1d9
commit 0053e902b4
2 changed files with 12 additions and 5 deletions
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14
revision.c
View File

@ -350,6 +350,7 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st
{
struct commit_list *parent = commit->parents;
unsigned left_flag;
int add, rest;
if (commit->object.flags & ADDED)
return;
@ -395,18 +396,19 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st
return;
left_flag = (commit->object.flags & SYMMETRIC_LEFT);
parent = commit->parents;
while (parent) {
rest = !revs->first_parent_only;
for (parent = commit->parents, add = 1; parent; add = rest) {
struct commit *p = parent->item;
parent = parent->next;
parse_commit(p);
p->object.flags |= left_flag;
if (p->object.flags & SEEN)
continue;
p->object.flags |= SEEN;
insert_by_date(p, list);
if (add)
insert_by_date(p, list);
}
}
@ -836,6 +838,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
handle_all(revs, flags);
continue;
}
if (!strcmp(arg, "--first-parent")) {
revs->first_parent_only = 1;
continue;
}
if (!strcmp(arg, "--reflog")) {
handle_reflog(revs, flags);
continue;

3
revision.h
View File

@ -46,7 +46,8 @@ struct rev_info {
boundary:2,
left_right:1,
parents:1,
reverse:1;
reverse:1,
first_parent_only:1;
/* Diff flags */
unsigned int diff:1,