1 files changed, 116 insertions, 0 deletions
diff --git a/crates/shirabe-symfony-process/src/executable_finder.rs b/crates/shirabe-symfony-process/src/executable_finder.rs
new file mode 100644
index 00000000..5b1c0994
--- /dev/null
+++ b/crates/shirabe-symfony-process/src/executable_finder.rs
@@ -0,0 +1,116 @@
+//! ref: composer/vendor/symfony/process/ExecutableFinder.php
+
+const CMD_BUILTINS: &[&str] = &[
+    "assoc", "break", "call", "cd", "chdir", "cls", "color", "copy", "date", "del", "dir", "echo",
+    "endlocal", "erase", "exit", "for", "ftype", "goto", "help", "if", "label", "md", "mkdir",
+    "mklink", "move", "path", "pause", "popd", "prompt", "pushd", "rd", "rem", "ren", "rename",
+    "rmdir", "set", "setlocal", "shift", "start", "time", "title", "type", "ver", "vol",
+];
+
+#[derive(Debug)]
+pub struct ExecutableFinder {
+    suffixes: Vec<String>,
+}
+
+impl Default for ExecutableFinder {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+impl ExecutableFinder {
+    pub fn new() -> Self {
+        Self { suffixes: vec![] }
+    }
+
+    pub fn find(&self, name: &str, default: Option<&str>, extra_dirs: &[String]) -> Option<String> {
+        // windows built-in commands that are present in cmd.exe should not be resolved using PATH as they do not exist as exes
+        if cfg!(windows) && CMD_BUILTINS.contains(&shirabe_php_shim::strtolower(name).as_str()) {
+            return Some(name.to_string());
+        }
+
+        let path = shirabe_php_shim::getenv("PATH")
+            .or_else(|| shirabe_php_shim::getenv("Path"))
+            .map(|v| v.to_string_lossy().into_owned())
+            .unwrap_or_default();
+        let mut dirs: Vec<String> = std::env::split_paths(&path)
+            .map(|dir| dir.into_os_string().into_string().unwrap())
+            .collect();
+        dirs.extend_from_slice(extra_dirs);
+
+        let mut suffixes: Vec<String> = vec![];
+        if cfg!(windows) {
+            let path_ext =
+                shirabe_php_shim::getenv("PATHEXT").map(|v| v.to_string_lossy().into_owned());
+            suffixes = self.suffixes.clone();
+            let exts = match path_ext {
+                Some(ref ext) if !ext.is_empty() => std::env::split_paths(ext)
+                    .map(|e| e.into_os_string().into_string().unwrap())
+                    .collect(),
+                _ => vec![
+                    ".exe".to_string(),
+                    ".bat".to_string(),
+                    ".cmd".to_string(),
+                    ".com".to_string(),
+                ],
+            };
+            suffixes.extend(exts);
+        }
+        suffixes =
+            if !shirabe_php_shim::pathinfo(name, shirabe_php_shim::PATHINFO_EXTENSION).is_empty() {
+                let mut s = vec![String::new()];
+                s.extend(suffixes);
+                s
+            } else {
+                suffixes.push(String::new());
+                suffixes
+            };
+        for suffix in &suffixes {
+            for dir in &dirs {
+                let dir = if dir.is_empty() { "." } else { dir.as_str() };
+                let file = std::path::Path::new(dir)
+                    .join(format!("{name}{suffix}"))
+                    .into_os_string()
+                    .into_string()
+                    .unwrap();
+                if shirabe_php_shim::is_file(&file)
+                    && (cfg!(windows) || shirabe_php_shim::is_executable(&file))
+                {
+                    return Some(file);
+                }
+
+                if !shirabe_php_shim::is_dir(dir)
+                    && shirabe_php_shim::basename(dir) == format!("{name}{suffix}")
+                    && shirabe_php_shim::is_executable(dir)
+                {
+                    return Some(dir.to_string());
+                }
+            }
+        }
+
+        if cfg!(windows)
+            || name.len()
+                != shirabe_php_shim::strcspn(name, &format!("/{}", std::path::MAIN_SEPARATOR))
+        {
+            return default.map(ToString::to_string);
+        }
+
+        let exec_result = shirabe_php_shim::exec(
+            &format!("command -v -- {}", shirabe_php_shim::escapeshellarg(name)),
+            None,
+            None,
+        )
+        .unwrap_or_default();
+
+        let executable_path = shirabe_php_shim::substr(
+            &exec_result,
+            0,
+            shirabe_php_shim::strpos(&exec_result, shirabe_php_shim::PHP_EOL).map(|i| i as i64),
+        );
+        if !executable_path.is_empty() && shirabe_php_shim::is_executable(&executable_path) {
+            return Some(executable_path);
+        }
+
+        default.map(ToString::to_string)
+    }
+}