Port version and git fix to CI configuration

From: taoky/tsumugu@3a45860

.github/workflows/rust.yml

@@ -22,9 +22,15 @@ jobs:
           ~/.cargo/git
           target
         key: musl-cargo-${{ hashFiles('**/Cargo.toml') }}
+    - name: Remove files for a build with correct version info
+      run: |
+        find target/ -name 'shadow*' -exec rm -r {} + || true
+        find target/ -name 'tsumugu' -delete || true
     - name: Test & Compile
       run: |
         mkdir -p ~/.cargo/{git,registry}
+        # Fix git permission issue with Docker and shadow-rs
+        sudo chown -R root .
         docker run --rm -t \
             --mount type=bind,source=${{ github.workspace }},target=/volume \
             --mount type=bind,source=$HOME/.cargo/registry,target=/root/.cargo/registry \
@@ -40,7 +46,9 @@ jobs:
             clux/muslrust:stable \
             cargo build --release
         sudo chown -R runner ~/.cargo/
-        sudo chown -R runner target/
+        sudo chown -R runner .
+        # show version info
+        RUST_LOG=debug target/x86_64-unknown-linux-musl/release/yukina --version
 
     - name: Deploy - Create and Upload Release
       if: startsWith(github.ref, 'refs/tags/')

src/main.rs

@@ -27,10 +27,14 @@ fn parse_bytes(s: &str) -> Result<u64, clap::Error> {
 }
 
 fn get_version() -> &'static str {
-    if build::SHORT_COMMIT.is_empty() {
-        build::LAST_TAG
+    let tag = build::TAG;
+    let clean = build::GIT_CLEAN;
+    if !clean {
+        return Box::leak(format!("{} (dirty)", build::SHORT_COMMIT).into_boxed_str());
+    } else if tag.is_empty() {
+        return build::SHORT_COMMIT;
     } else {
-        build::SHORT_COMMIT
+        return tag;
     }
 }