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Speed up import of bash history

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Fixes #6295
This commit is contained in:
Johannes Altmanninger 2019-11-07 18:09:34 +01:00
parent 422e2dcbdd
commit 1cfa3fa819
1 changed files with 10 additions and 7 deletions
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17
src/history.cpp
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@ -216,7 +216,7 @@ bool history_item_t::matches_search(const wcstring &term, enum history_search_ty
struct history_impl_t {
// Privately add an item. If pending, the item will not be returned by history searches until a
// call to resolve_pending.
void add(const history_item_t &item, bool pending = false);
void add(const history_item_t &item, bool pending = false, bool do_save = true);
// Internal function.
void clear_file_state();
@ -303,7 +303,7 @@ struct history_impl_t {
// item_at_index until a call to resolve_pending(). Pending items are tracked with an offset
// into the array of new items, so adding a non-pending item has the effect of resolving all
// pending items.
void add(const wcstring &str, history_identifier_t ident = 0, bool pending = false);
void add(const wcstring &str, history_identifier_t ident = 0, bool pending = false, bool save = true);
// Remove a history item.
void remove(const wcstring &str);
@ -351,7 +351,7 @@ struct history_impl_t {
size_t size();
};
void history_impl_t::add(const history_item_t &item, bool pending) {
void history_impl_t::add(const history_item_t &item, bool pending, bool do_save) {
// Try merging with the last item.
if (!new_items.empty() && new_items.back().merge(item)) {
// We merged, so we don't have to add anything. Maybe this item was pending, but it just got
@ -361,7 +361,7 @@ void history_impl_t::add(const history_item_t &item, bool pending) {
// We have to add a new item.
new_items.push_back(item);
this->has_pending_item = pending;
save_unless_disabled();
if (do_save) save_unless_disabled();
}
}
@ -399,7 +399,7 @@ void history_impl_t::save_unless_disabled() {
countdown_to_vacuum--;
}
void history_impl_t::add(const wcstring &str, history_identifier_t ident, bool pending) {
void history_impl_t::add(const wcstring &str, history_identifier_t ident, bool pending, bool do_save) {
time_t when = time(NULL);
// Big hack: do not allow timestamps equal to our boundary date. This is because we include
// items whose timestamps are equal to our boundary when reading old history, so we can catch
@ -409,7 +409,7 @@ void history_impl_t::add(const wcstring &str, history_identifier_t ident, bool p
when++;
}
this->add(history_item_t(str, when, ident), pending);
this->add(history_item_t(str, when, ident), pending, do_save);
}
// Remove matching history entries from our list of new items. This only supports literal,
@ -1164,8 +1164,11 @@ void history_impl_t::populate_from_bash(FILE *stream) {
wcstring wide_line = str2wcstring(line);
// Add this line if it doesn't contain anything we know we can't handle.
if (should_import_bash_history_line(wide_line)) this->add(wide_line);
if (should_import_bash_history_line(wide_line)) {
this->add(wide_line, 0, false /* pending */, false /* do_save */);
}
}
this->save_unless_disabled();
}
void history_impl_t::incorporate_external_changes() {