[internal] go: enable plugin in repo and cleanup test project

.github/workflows/test-cron.yaml

@@ -48,6 +48,10 @@ jobs:
         }}.*'']" >> $GITHUB_ENV
 
         '
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17.1
     - name: Cache Rust toolchain
       uses: actions/cache@v2
       with:
@@ -203,6 +207,10 @@ jobs:
         }}.*'']" >> $GITHUB_ENV
 
         '
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17.1
     - name: Cache Rust toolchain
       uses: actions/cache@v2
       with:
@@ -328,6 +336,10 @@ jobs:
         }}.*'']" >> $GITHUB_ENV
 
         '
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17.1
     - name: Cache Pants Virtualenv
       uses: actions/cache@v2
       with:
@@ -485,6 +497,10 @@ jobs:
       with:
         distribution: adopt
         java-version: '11'
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17.1
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:

.github/workflows/test.yaml

@@ -48,6 +48,10 @@ jobs:
         }}.*'']" >> $GITHUB_ENV
 
         '
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17.1
     - name: Cache Rust toolchain
       uses: actions/cache@v2
       with:
@@ -202,6 +206,10 @@ jobs:
         }}.*'']" >> $GITHUB_ENV
 
         '
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17.1
     - name: Cache Rust toolchain
       uses: actions/cache@v2
       with:
@@ -503,6 +511,10 @@ jobs:
         }}.*'']" >> $GITHUB_ENV
 
         '
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17.1
     - name: Cache Pants Virtualenv
       uses: actions/cache@v2
       with:
@@ -658,6 +670,10 @@ jobs:
       with:
         distribution: adopt
         java-version: '11'
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17.1
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:

build-support/bin/generate_github_workflows.py

@@ -288,6 +288,7 @@ def test_workflow_jobs(python_versions: list[str], *, cron: bool) -> Jobs:
             "steps": [
                 *checkout(),
                 *setup_primary_python(),
+                install_go(),
                 *bootstrap_caches(),
                 setup_toolchain_auth(),
                 {"name": "Bootstrap Pants", "run": "./pants --version\n"},
@@ -359,6 +360,7 @@ def test_workflow_jobs(python_versions: list[str], *, cron: bool) -> Jobs:
             "steps": [
                 *checkout(),
                 *setup_primary_python(),
+                install_go(),
                 pants_virtualenv_cache(),
                 native_binaries_download(),
                 setup_toolchain_auth(),
@@ -379,6 +381,7 @@ def test_workflow_jobs(python_versions: list[str], *, cron: bool) -> Jobs:
             "steps": [
                 *checkout(),
                 *setup_primary_python(),
+                install_go(),
                 *bootstrap_caches(),
                 setup_toolchain_auth(),
                 {"name": "Bootstrap Pants", "run": "./pants --version\n"},
@@ -405,6 +408,7 @@ def test_workflow_jobs(python_versions: list[str], *, cron: bool) -> Jobs:
             "steps": [
                 *checkout(),
                 install_jdk(),
+                install_go(),
                 *setup_primary_python(),
                 expose_all_pythons(),
                 pants_virtualenv_cache(),

pants.toml

@@ -15,6 +15,7 @@ backend_packages.add = [
   "pants.backend.shell.lint.shellcheck",
   "pants.backend.shell.lint.shfmt",
   "pants.backend.experimental.docker",
+  "pants.backend.experimental.go",
   "pants.backend.experimental.java",
   "pants.backend.experimental.python",
   "internal_plugins.releases",
@@ -46,12 +47,6 @@ pants_ignore.add = [
   "!/pants.pex",
 ]
 
-build_ignore.add = [
-  # Disable Go targets because the Go backend is experimental (as it is under active development),
-  # and thus is not enabled by default.
-  "/testprojects/src/go/**",
-]
-
 # NB: Users must still set `--remote-cache-{read,write}` to enable the remote cache.
 remote_store_address = "grpcs://cache.toolchain.com:443"
 remote_instance_name = "main"

testprojects/src/go/pants_test/BUILD

@@ -1,14 +1,9 @@
 # Copyright 2021 Pants project contributors (see CONTRIBUTORS.md).
 # Licensed under the Apache License, Version 2.0 (see LICENSE).
 
-go_package(
-    # import_path="github.com/toolchainlabs/toolchain/src/go/src/toolchain/pants_test",
-    import_path="main",
-    dependencies=["./bar:bar"],
-)
+go_package()
 
 go_binary(
     name="bin",
-    binary_name="bin",
     main=":pants_test",
 )