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Fix for issue where history file would be read immediately on launch

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ridiculousfish committed Dec 5, 2012
1 parent b1e86d6 commit 19eddddcffe9d49fc33d89b0e624ab9eae4e9ee4
Showing with 31 additions and 7 deletions.
  1. +26 −5 history.cpp
  2. +3 −0 history.h
  3. +1 −1 signal.cpp
  4. +1 −1 signal.h
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@@ -1468,14 +1468,35 @@ void history_t::clear(void)
bool history_t::is_empty(void)
{
bool result = false;
scoped_lock locker(lock);
if (new_items.empty())
/* If we have new items, we're not empty */
if (! new_items.empty())
return false;
bool empty = false;
if (loaded_old)
{
load_old_if_needed();
result = old_item_offsets.empty();
/* If we've loaded old items, see if we have any offsets */
empty = old_item_offsets.empty();
}
return result;
else
{
/* If we have not loaded old items, don't actually load them (which may be expensive); just stat the file and see if it exists and is nonempty */
const wcstring where = history_filename(name, L"");
struct stat buf = {};
if (wstat(where, &buf) != 0)
{
/* Access failed, assume missing */
empty = true;
}
else
{
/* We're empty if the file is empty */
empty = (buf.st_size == 0);
}
}
return empty;
}
/* Indicate whether we ought to import the bash history file into fish */
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@@ -159,6 +159,9 @@ class history_t
/** Loads old if necessary */
bool load_old_if_needed(void);
/** Memory maps the history file if necessary */
bool mmap_if_needed(void);
/** Deletes duplicates in new_items. */
void compact_new_items();
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@@ -694,7 +694,7 @@ void signal_unblock()
// debug( 0, L"signal block level decreased to %d", block_count );
}
int signal_is_blocked()
bool signal_is_blocked()
{
return !!block_count;
}
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@@ -55,7 +55,7 @@ void signal_unblock();
/**
Returns true if signals are being blocked
*/
int signal_is_blocked();
bool signal_is_blocked();
/**
Returns signals with non-default handlers

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