cli: add run-privileged

src/cli/run_privileged.rs

@@ -0,0 +1,30 @@
+use {
+    crate::{
+        cli::{GlobalArgs, RunPrivilegedArgs},
+        compositor::WAYLAND_DISPLAY,
+        logger::Logger,
+        utils::{errorfmt::ErrorFmt, oserror::OsError},
+    },
+    uapi::UstrPtr,
+};
+
+pub fn main(global: GlobalArgs, args: RunPrivilegedArgs) {
+    Logger::install_stderr(global.log_level.into());
+    let mut wd = match std::env::var(WAYLAND_DISPLAY) {
+        Ok(v) => v,
+        _ => fatal!("{} is not set", WAYLAND_DISPLAY),
+    };
+    wd.push_str(".jay");
+    std::env::set_var(WAYLAND_DISPLAY, &wd);
+    let mut argv = UstrPtr::new();
+    for arg in &args.program {
+        argv.push(arg.as_str());
+    }
+    let program = args.program[0].as_str();
+    let res = uapi::execvp(program, &argv).unwrap_err();
+    fatal!(
+        "Could not execute `{}`: {}",
+        program,
+        ErrorFmt(OsError::from(res))
+    );
+}