gstreamer: Switch from paste to pastey

The former is no longer maintained, the latter is a compatible fork.

Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/issues/557

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1779>

Cargo.lock

@@ -894,7 +894,7 @@ dependencies = [
  "num-integer",
  "num-rational",
  "option-operations",
- "paste",
+ "pastey",
  "pin-project-lite",
  "ron",
  "serde",
@@ -2268,6 +2268,12 @@ version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
 
+[[package]]
+name = "pastey"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "35fb2e5f958ec131621fdd531e9fc186ed768cbe395337403ae56c17a74c68ec"
+
 [[package]]
 name = "percent-encoding"
 version = "2.3.1"

gstreamer/Cargo.toml

@@ -29,7 +29,7 @@ muldiv = "1"
 opt-ops = { package = "option-operations", version = "0.5" }
 serde = { version = "1.0", optional = true, features = ["derive"] }
 serde_bytes = { version = "0.11", optional = true }
-paste = "1.0"
+pastey = "0.1"
 thiserror = "2"
 smallvec = { version = "1.0", features = ["write"] }
 itertools = "0.14"

gstreamer/src/lib.rs

@@ -9,7 +9,9 @@
 // Re-exported for the subclass gst_plugin_define! macro
 pub use glib;
 pub use gstreamer_sys as ffi;
-pub use paste;
+#[deprecated = "Use `gst::pastey` instead"]
+pub use pastey as paste;
+pub use pastey;
 
 #[doc(hidden)]
 pub static INITIALIZED: std::sync::atomic::AtomicBool = std::sync::atomic::AtomicBool::new(false);

gstreamer/src/subclass/plugin.rs

@@ -42,10 +42,12 @@ macro_rules! plugin_define(
                     // NB: if this looks a lot like `Option`, it is not a coincidence. Alas,
                     // Option::or is not `const` and neither is `unwrap_or` so we have to roll our
                     // own oli-obk-ified enum instead.
+                    #[allow(unused)]
                     enum OptionalPtr<T>{
                         Null,
                         Some(*const T),
                     }
+                    #[allow(unused)]
                     impl<T: Sized> OptionalPtr<T> {
                         const fn with(self, value: *const T) -> Self {
                             Self::Some(value)
@@ -84,7 +86,7 @@ macro_rules! plugin_define(
                 }
             }
 
-            $crate::paste::item! {
+            $crate::pastey::item! {
                 #[no_mangle]
                 #[allow(clippy::missing_safety_doc)]
                 pub unsafe extern "C" fn [<gst_plugin_ $name _register>] () {
@@ -129,3 +131,27 @@ macro_rules! plugin_define(
         pub use self::plugin_desc::plugin_register_static;
     };
 );
+
+#[cfg(test)]
+mod tests {
+    fn plugin_init(_plugin: &crate::Plugin) -> Result<(), glib::BoolError> {
+        Ok(())
+    }
+
+    crate::plugin_define!(
+        gst_rs_plugin_test,
+        env!("CARGO_PKG_DESCRIPTION"),
+        plugin_init,
+        env!("CARGO_PKG_VERSION"),
+        "MIT/X11",
+        env!("CARGO_PKG_NAME"),
+        env!("CARGO_PKG_NAME"),
+        env!("CARGO_PKG_REPOSITORY")
+    );
+
+    #[test]
+    fn plugin_register() {
+        crate::init().unwrap();
+        plugin_register_static().unwrap();
+    }
+}