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//! ref: composer/src/Composer/Platform/HhvmDetector.php
use crate::util::platform::Platform;
use crate::util::process_executor::ProcessExecutor;
use shirabe_external_packages::symfony::process::executable_finder::ExecutableFinder;
use shirabe_php_shim::{HHVM_VERSION, defined};
use std::sync::Mutex;
// None = null (uninitialized), Some(None) = false (not found), Some(Some(v)) = version
static HHVM_VERSION_CACHE: Mutex<Option<Option<String>>> = Mutex::new(None);
pub struct HhvmDetector {
executable_finder: Option<ExecutableFinder>,
process_executor: Option<ProcessExecutor>,
}
impl HhvmDetector {
pub fn new(
executable_finder: Option<ExecutableFinder>,
process_executor: Option<ProcessExecutor>,
) -> Self {
Self {
executable_finder,
process_executor,
}
}
pub fn reset(&self) {
*HHVM_VERSION_CACHE.lock().unwrap() = None;
}
pub fn get_version(&mut self) -> Option<String> {
let cached = HHVM_VERSION_CACHE.lock().unwrap().clone();
if cached.is_some() {
return cached.flatten();
}
let mut cache = HHVM_VERSION_CACHE.lock().unwrap();
*cache = Some(if defined("HHVM_VERSION") {
HHVM_VERSION.map(|s| s.to_string())
} else {
None
});
if cache.as_ref().unwrap().is_none() && !Platform::is_windows() {
*cache = Some(None);
let finder = self
.executable_finder
.get_or_insert_with(ExecutableFinder::new);
let hhvm_path = finder.find("hhvm");
if let Some(hhvm_path) = hhvm_path {
let executor = self
.process_executor
.get_or_insert_with(ProcessExecutor::new);
let mut version_output = String::new();
let exit_code = executor.execute(
&[
&hhvm_path,
"--php",
"-d",
"hhvm.jit=0",
"-r",
"echo HHVM_VERSION;",
],
&mut version_output,
);
if exit_code == 0 {
*cache = Some(Some(version_output));
}
}
}
cache.clone().flatten()
}
}
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