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authorJunio C Hamano <gitster@pobox.com>2008-07-08 15:25:44 -0700
committerJunio C Hamano <gitster@pobox.com>2008-07-08 15:25:44 -0700
commit8bb65883d164843d5bb7475281af09bae18ab22d (patch)
tree7cf44a14a8aa1981ba814129948a4ed5918d3f88 /revision.c
parenta32a4eaa36527ab1c9a999357f9edd5e04591a4a (diff)
parent85af7929ee125385c2771fa4eaccfa2f29dc63c9 (diff)
downloadgit-8bb65883d164843d5bb7475281af09bae18ab22d.tar.gz
Merge branch 'jc/blame' (early part) into HEAD
* 'jc/blame' (early part): git-blame --reverse builtin-blame.c: allow more than 16 parents builtin-blame.c: move prepare_final() into a separate function. rev-list --children revision traversal: --children option Conflicts: Documentation/rev-list-options.txt revision.c
Diffstat (limited to 'revision.c')
-rw-r--r--revision.c39
1 files changed, 37 insertions, 2 deletions
diff --git a/revision.c b/revision.c
index fc66755259..5a1a948a41 100644
--- a/revision.c
+++ b/revision.c
@@ -10,6 +10,7 @@
#include "grep.h"
#include "reflog-walk.h"
#include "patch-ids.h"
+#include "decorate.h"
volatile show_early_output_fn_t show_early_output;
@@ -1321,6 +1322,11 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
revs->no_walk = 0;
continue;
}
+ if (!strcmp(arg, "--children")) {
+ revs->children.name = "children";
+ revs->limited = 1;
+ continue;
+ }
opts = diff_opt_parse(&revs->diffopt, argv+i, argc-i);
if (opts > 0) {
@@ -1406,6 +1412,8 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
if (revs->reverse && revs->reflog_info)
die("cannot combine --reverse with --walk-reflogs");
+ if (revs->rewrite_parents && revs->children.name)
+ die("cannot combine --parents and --children");
/*
* Limitations on the graph functionality
@@ -1419,6 +1427,26 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
return left;
}
+static void add_child(struct rev_info *revs, struct commit *parent, struct commit *child)
+{
+ struct commit_list *l = xcalloc(1, sizeof(*l));
+
+ l->item = child;
+ l->next = add_decoration(&revs->children, &parent->object, l);
+}
+
+static void set_children(struct rev_info *revs)
+{
+ struct commit_list *l;
+ for (l = revs->commits; l; l = l->next) {
+ struct commit *commit = l->item;
+ struct commit_list *p;
+
+ for (p = commit->parents; p; p = p->next)
+ add_child(revs, p->item, commit);
+ }
+}
+
int prepare_revision_walk(struct rev_info *revs)
{
int nr = revs->pending.nr;
@@ -1447,6 +1475,8 @@ int prepare_revision_walk(struct rev_info *revs)
return -1;
if (revs->topo_order)
sort_in_topological_order(&revs->commits, revs->lifo);
+ if (revs->children.name)
+ set_children(revs);
return 0;
}
@@ -1524,6 +1554,11 @@ static int commit_match(struct commit *commit, struct rev_info *opt)
commit->buffer, strlen(commit->buffer));
}
+static inline int want_ancestry(struct rev_info *revs)
+{
+ return (revs->rewrite_parents || revs->children.name);
+}
+
enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit)
{
if (commit->object.flags & SHOWN)
@@ -1544,13 +1579,13 @@ enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit)
/* Commit without changes? */
if (commit->object.flags & TREESAME) {
/* drop merges unless we want parenthood */
- if (!revs->rewrite_parents)
+ if (!want_ancestry(revs))
return commit_ignore;
/* non-merge - always ignore it */
if (!commit->parents || !commit->parents->next)
return commit_ignore;
}
- if (revs->rewrite_parents && rewrite_parents(revs, commit) < 0)
+ if (want_ancestry(revs) && rewrite_parents(revs, commit) < 0)
return commit_error;
}
return commit_show;