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Only set bind mode if it changed

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This is potentially costly (as functions listening for the variable will
be executed).

Fixes #3216.
This commit is contained in:
Fabian Homborg 2016-09-05 00:54:25 +02:00
parent 7ce042ccff
commit a0623e870b
1 changed files with 4 additions and 1 deletions
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5
src/input.cpp
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@ -216,7 +216,10 @@ wcstring input_get_bind_mode() {
/// Set the current bind mode.
void input_set_bind_mode(const wcstring &bm) {
env_set(FISH_BIND_MODE_VAR, bm.c_str(), ENV_GLOBAL);
// Only set this if it differs to not execute variable handlers all the time.
if (input_get_bind_mode() != bm.c_str()) {
env_set(FISH_BIND_MODE_VAR, bm.c_str(), ENV_GLOBAL);
}
}
/// Returns the arity of a given input function.