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feat(script): Configurable condition using exec-if

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Add new config parameter `exec-if = cmd` that needs to
exit successfully before the main exec command will be invoked.

Closes #298
This commit is contained in:
Michael Carlberg
2017-01-10 03:01:59 +01:00
parent 79856d7ed2
commit 946843ff59
6 changed files with 33 additions and 18 deletions
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23
src/modules/script.cpp
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@ -10,6 +10,7 @@ namespace modules {
script_module::script_module(const bar_settings& bar, string name_) : module<script_module>(bar, move(name_)) {
m_exec = m_conf.get(name(), "exec", m_exec);
m_exec_if = m_conf.get(name(), "exec-if", m_exec_if);
m_maxlen = m_conf.get(name(), "maxlen", m_maxlen);
m_ellipsis = m_conf.get(name(), "ellipsis", m_ellipsis);
m_interval = m_conf.get<decltype(m_interval)>(name(), "interval", 5s);
@ -36,7 +37,25 @@ namespace modules {
m_mainthread = thread([this] {
try {
while (running() && !m_stopping) {
this->process();
std::unique_lock<mutex> guard(m_updatelock);
// Execute the condition command if specified
if (!m_exec_if.empty() && command_util::make_command(m_exec_if)->exec(true) != 0) {
if (!m_output.empty()) {
broadcast();
m_output.clear();
m_prev.clear();
}
if (m_interval >= 1s) {
sleep(m_interval);
} else {
sleep(1s);
}
} else {
this->process();
this->sleep(this->sleep_duration());
}
}
} catch (const exception& err) {
halt(err.what());
@ -62,7 +81,7 @@ namespace modules {
string script_module::get_output() {
if (m_output.empty()) {
return " ";
return "";
}
if (m_label) {