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Remove duplicates from history in fish_config

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https://github.com/fish-shell/fish-shell/issues/900
This commit is contained in:
ridiculousfish 2013-09-05 13:49:18 -07:00
parent 3816abb9de
commit 5ef13d9011
1 changed files with 11 additions and 0 deletions
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11
history.cpp
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@ -629,10 +629,16 @@ void history_t::get_string_representation(wcstring &result, const wcstring &sepa
scoped_lock locker(lock);
bool first = true;
std::set<wcstring> seen;
/* Append new items. Note that in principle we could use const_reverse_iterator, but we do not because reverse_iterator is not convertible to const_reverse_iterator ( http://github.com/fish-shell/fish-shell/issues/431 ) */
for (std::vector<history_item_t>::reverse_iterator iter=new_items.rbegin(); iter < new_items.rend(); ++iter)
{
/* Skip duplicates */
if (! seen.insert(iter->str()).second)
continue;
if (! first)
result.append(separator);
result.append(iter->str());
@ -645,6 +651,11 @@ void history_t::get_string_representation(wcstring &result, const wcstring &sepa
{
size_t offset = *iter;
const history_item_t item = history_t::decode_item(mmap_start + offset, mmap_length - offset, mmap_type);
/* Skip duplicates */
if (! seen.insert(item.str()).second)
continue;
if (! first)
result.append(separator);
result.append(item.str());