Using libgoast instead of manually compiling the Go library (#1466)

This also removes the extra macOS build step and should help with Jitpack Go builds.

.github/workflows/build.yml

@@ -16,35 +16,8 @@ on:
       - "docs/**"
 
 jobs:
-  build-cpgo-osx:
-    runs-on: macos-latest
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version-file: cpg-language-go/src/main/golang/go.mod
-          cache-dependency-path: cpg-language-go/src/main/golang/go.sum
-      - name: Build
-        run: |
-          cd cpg-language-go/src/main/golang
-          ./build.sh
-      - name: Archive cpgo library (amd64)
-        if: ${{ always() }}
-        uses: actions/upload-artifact@v4
-        with:
-          name: libcpgo-amd64.dylib
-          path: cpg-language-go/src/main/resources/libcpgo-amd64.dylib
-      - name: Archive cpgo library (arm64)
-        if: ${{ always() }}
-        uses: actions/upload-artifact@v4
-        with:
-          name: libcpgo-arm64.dylib
-          path: cpg-language-go/src/main/resources/libcpgo-arm64.dylib
-
   build:
     runs-on: [self-hosted, linux, x64, faster]
-    needs: build-cpgo-osx
     steps:
       - uses: actions/checkout@v4
         with:
@@ -94,14 +67,6 @@ jobs:
           if [ -d "/opt/hostedtoolcache/Python" ]; then
             find /opt/hostedtoolcache/Python/ -name libjep.so -exec sudo cp '{}' /usr/lib/ \;
           fi
-      - uses: actions/download-artifact@v4
-        with:
-          name: libcpgo-arm64.dylib
-          path: cpg-language-go/src/main/resources/
-      - uses: actions/download-artifact@v4
-        with:
-          name: libcpgo-amd64.dylib
-          path: cpg-language-go/src/main/resources/
       - name: Build ${{ env.version }}
         run: |
           if [ "$SONAR_TOKEN" != "" ]

cpg-language-go/build.gradle.kts

@@ -44,18 +44,16 @@ dependencies {
     testImplementation(project(":cpg-analysis"))
 }
 
-if (!project.hasProperty("skipGoBuild")) {
-    val compileGolang = tasks.register("compileGolang") {
-        doLast {
-            project.exec {
-                commandLine("./build.sh")
-                    .setStandardOutput(System.out)
-                    .workingDir("src/main/golang")
-            }
+val downloadLibGoAST = tasks.register("downloadLibGoAST") {
+    doLast {
+        project.exec {
+            commandLine("./download.sh")
+                .setStandardOutput(System.out)
+                .workingDir("src/main/resources")
         }
     }
+}
 
-    tasks.compileJava {
-        dependsOn(compileGolang)
-    }
-}
+tasks.processResources {
+    dependsOn(downloadLibGoAST)
+}