Fix naming

Author: ValentaTomas

.github/workflows/build.yml

@@ -35,11 +35,16 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Build Firecracker ${{ matrix.version }}
-        run: ./build.sh "${{ matrix.version }}"
+        id: build
+        run: |
+          ./build.sh "${{ matrix.version }}"
+          # Read the computed version name (with hash)
+          version_name=$(cat built_versions.txt | tail -1)
+          echo "version_name=$version_name" >> $GITHUB_OUTPUT
 
       - name: Upload build artifact
         uses: actions/upload-artifact@v4
         with:
-          name: firecracker-${{ matrix.version }}
+          name: firecracker-${{ steps.build.outputs.version_name }}
           path: builds/
           retention-days: 7

build.sh

@@ -49,6 +49,9 @@ function build_version {
   echo "Copying finished build to builds directory"
   mkdir -p "../builds/${version_name}"
   cp build/cargo_target/x86_64-unknown-linux-musl/release/firecracker "../builds/${version_name}/firecracker"
+  
+  # Write version name to file for CI to use
+  echo "$version_name" >> ../built_versions.txt
 }
 
 # If a version is passed as argument, build only that version