version取得APIを作った

.github/workflows/build_and_deploy.yml

@@ -76,6 +76,12 @@ jobs:
         with:
           target: ${{ matrix.target }}
           default: true
+      - uses: actions-rs/[email protected]
+        with:
+          crate: set-cargo-version
+          version: latest
+      - name: set cargo version
+        run: set-cargo-version ./crates/voicevox_core/Cargo.toml ${{ env.VERSION }}
       - name: build release
         run: cargo build -p voicevox_core_c_api --features generate-c-header,${{ matrix.additional-features }} --target ${{ matrix.target }} --release
         env:

crates/voicevox_core/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "voicevox_core"
-version = "0.1.0"
+version = "999.999.999"
 edition = "2021"
 
 [features]

crates/voicevox_core/src/publish.rs

@@ -84,6 +84,10 @@ impl VoicevoxCore {
         self.synthesis_engine.inference_core_mut().finalize()
     }
 
+    pub const fn get_version(&self) -> &'static str {
+        env!("CARGO_PKG_VERSION")
+    }
+
     pub fn get_metas_json(&self) -> &'static CStr {
         &METAS_CSTRING
     }
@@ -884,4 +888,10 @@ mod tests {
         assert_eq!(query.accent_phrases()[1].accent(), &1);
         assert_eq!(query.kana(), "コレワ'/テ'_ストデ_ス");
     }
+
+    #[rstest]
+    fn get_version_works() {
+        let core = VoicevoxCore::new_with_mutex();
+        assert_eq!("999.999.999", core.lock().unwrap().get_version());
+    }
 }

crates/voicevox_core_c_api/src/lib.rs

@@ -5,6 +5,7 @@ mod helpers;
 use helpers::*;
 use libc::c_void;
 use once_cell::sync::Lazy;
+use std::ffi::CString;
 use std::ffi::{CStr, CString};
 use std::os::raw::c_char;
 use std::path::PathBuf;
@@ -68,6 +69,16 @@ pub extern "C" fn voicevox_initialize(options: VoicevoxInitializeOptions) -> Voi
     }
 }
 
+static VOICEVOX_VERSION: once_cell::sync::Lazy<CString> =
+    once_cell::sync::Lazy::new(|| CString::new(lock_internal().get_version()).unwrap());
+
+/// voicevoxのversionを取得する
+/// @return SemVerでフォーマットされたバージョン
+#[no_mangle]
+pub extern "C" fn voicevox_get_version() -> *const c_char {
+    VOICEVOX_VERSION.as_ptr()
+}
+
 #[no_mangle]
 pub extern "C" fn voicevox_load_model(speaker_id: u32) -> VoicevoxResultCode {
     let result = lock_internal().load_model(speaker_id);