Re: Weird problem with long $PATH and alternates (bisected)

["Mikael Magnusson" <mikachu@gmail.com>]

2008/10/26 Junio C Hamano <gitster@pobox.com>:
> "Mikael Magnusson" <mikachu@gmail.com> writes:
>
>> % mkdir 1; cd 1
>> % echo > a; git add a; git commit -m a
>> % cd ..
>> % git clone -s 1 2
>> % git push . master:master
>> fatal: Could not switch to
>> '/tmp/a/1/.git/objects/n:/usr/games/bin:/usr/local/ipod-chain'
>> fatal: The remote end hung up unexpectedly
>
> I think I see a bug in foreach_alt_odb() to add_refs_from_alternate()
> callchain, but I cannot explain why the contents of $PATH leaks to the
> error message.
>
> Can you try this patch?

Yeah this fixes the issue for me. If I add this
static int add_refs_from_alternate(struct alternate_object_database
*e, void *unused)
{
+	fprintf(stderr, "add: %s\n", e->base);
	char *other = xstrdup(make_absolute_path(e->base));
	size_t len = strlen(other);

and

	prepare_alt_odb();
	for (ent = alt_odb_list; ent; ent = ent->next) {
		fprintf(stderr, "for: %s\n", ent->name);
		if (fn(ent, cb))
			return;

then i get
for: in//usr/qt/3/bin:/usr/games/bin:/usr/loca
add: /tmp/a/1/.git/objects/in//usr/qt/3/bin:/usr/games/bin:/usr/loca
fatal: Could not switch to
'/tmp/a/1/.git/objects/in//usr/qt/3/bin:/usr/games/bin:/usr'
fatal: The remote end hung up unexpectedly

-- 
Mikael Magnusson