refactor: improve caching and installation steps in build workflow

.gitea/workflows/build.yaml

@@ -19,11 +19,34 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Cache Rust toolchain
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/bin
+            ~/.rustup
+            ~/.cargo/registry
+            ~/.cargo/git
+          key: ${{ runner.os }}-rustup-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-rustup-
+
+      - name: Cache Cargo build
+        uses: actions/cache@v4
+        with:
+          path: |
+            target
+          key: ${{ runner.os }}-cargo-target-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-cargo-target-
+
       - name: Install Rust (stable)
         shell: bash
         run: |
           set -e
-          curl -fsSL https://sh.rustup.rs | sh -s -- -y --default-toolchain stable
+          if ! command -v cargo >/dev/null 2>&1; then
+            curl -fsSL https://sh.rustup.rs | sh -s -- -y --default-toolchain stable
+          fi
           echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
 
       - name: Debug workspace
@@ -33,17 +56,6 @@ jobs:
           pwd
           ls -la
 
-      - name: Cache Cargo
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-            target
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-cargo-
-
       - name: Read package name
         id: pkg_meta
         shell: bash
@@ -76,12 +88,13 @@ jobs:
           REPO="${FULL##*/}"
           VERSION="${GITHUB_REF_NAME#v}"
           PKG_VERSION="${VERSION}"
+          BIN_NAME="${{ steps.pkg_meta.outputs.pkg_name }}"
 
           mkdir -p dist
           # Clean source snapshot of the repository at current commit
           git archive --format=tar.gz \
-            --prefix="${REPO}-${PKG_VERSION}/" \
-            -o "dist/${REPO}-${PKG_VERSION}-source.tar.gz" \
+            --prefix="${BIN_NAME}-${PKG_VERSION}/" \
+            -o "dist/${BIN_NAME}-${PKG_VERSION}-source.tar.gz" \
             HEAD
 
           ls -lh dist
@@ -108,9 +121,9 @@ jobs:
           BIN_NAME="${{ steps.pkg_meta.outputs.pkg_name }}"
 
           mkdir -p dist
-          cp "target/release/${BIN_NAME}" "dist/${REPO}-${PKG_VERSION}-linux-x86_64"
+          cp "target/release/${BIN_NAME}" "dist/${BIN_NAME}-${PKG_VERSION}-linux-x86_64"
 
-          chmod +x "dist/${REPO}-${PKG_VERSION}-linux-x86_64"
+          chmod +x "dist/${BIN_NAME}-${PKG_VERSION}-linux-x86_64"
           ls -lh dist
 
       - name: Upload to Gitea Generic Packages
@@ -129,6 +142,7 @@ jobs:
           REPO="${FULL##*/}"
           VERSION="${GITHUB_REF_NAME#v}"
           PKG_VERSION="${VERSION}"
+          BIN_NAME="${{ steps.pkg_meta.outputs.pkg_name }}"
 
           if [ -z "${GITEA_BASE_URL:-}" ]; then
             echo "Missing vars.GITEA_BASE_URL (example: https://gitea.example.com)"
@@ -139,8 +153,8 @@ jobs:
             exit 1
           fi
 
-          # Choose a package name (keep stable). Here: repo name.
-          PACKAGE_NAME="$REPO"
+          # Choose a package name (keep stable). Here: cargo package name.
+          PACKAGE_NAME="$BIN_NAME"
 
           for FILE in dist/*; do
             FILENAME="$(basename "$FILE")"