ci: skip LICENSE.txt copy for Ent releases

Ensure we do not unintentionally copy CE LICENSE.txt to Ent release
artifacts.

Also rework Go Build jobs to avoid future sync conflicts by handling CE
and Ent builds simultaneously.

.github/scripts/copy-legal.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: BUSL-1.1
+
+set -euo pipefail
+
+repository_name=${1}
+target_dirs="${@:2}"
+
+if [ -z "$repository_name" ] || [ -z "$target_dirs" ]; then
+    echo "Error: repository_name and at least one value for target_dirs must be non-empty strings."
+    exit 1
+fi
+
+function copy_file {
+  for dir in $target_dirs; do
+      mkdir -p $dir
+      target_path="$dir/${2}"
+      echo "-> Copying $1 to $target_path"
+      cp "${1}" $target_path
+  done
+}
+
+if [[ $repository_name == *"-enterprise" ]]; then
+    echo "Copying legal (Ent)"
+    echo "Downloading EULA.txt and TermsOfEvaluation.txt"
+    curl -so /tmp/EULA.txt https://eula.hashicorp.com/EULA.txt
+    curl -so /tmp/TermsOfEvaluation.txt https://eula.hashicorp.com/TermsOfEvaluation.txt
+    copy_file /tmp/EULA.txt EULA.txt
+    copy_file /tmp/TermsOfEvaluation.txt TermsOfEvaluation.txt
+else
+    echo "Copying legal (CE)"
+    copy_file LICENSE LICENSE.txt
+fi

.github/workflows/build.yml

@@ -10,6 +10,7 @@ on:
       # Push events on the main branch
       - main
       - release/**
+  workflow_dispatch:
 
 env:
   PKG_NAME: consul
@@ -141,15 +142,10 @@ jobs:
           arch: ${{ matrix.goarch }}
           reproducible: report
           instructions: |-
-            cp LICENSE $TARGET_DIR/LICENSE.txt
-            go build -ldflags="$GOLDFLAGS" -o "$BIN_PATH" -trimpath -buildvcs=false
-
-      - name: Copy license file
-        env:
-          LICENSE_DIR: ".release/linux/package/usr/share/doc/${{ env.PKG_NAME }}"
-        run: |
-          mkdir -p "$LICENSE_DIR"
-          cp LICENSE "$LICENSE_DIR/LICENSE.txt"
+            # Note that for non-linux builds, .release/linux/package... is a no-op, 
+            # but files will always included in the zip root directory (TARGET_DIR) on all platforms.
+            ./.github/scripts/copy-legal.sh "${{ github.repository }}" "$TARGET_DIR" ".release/linux/package/usr/share/doc/${{ env.PKG_NAME }}"
+            ${{ matrix.env }} go build -ldflags="$GOLDFLAGS" -tags="${{ matrix.gotags }}" -o "$BIN_PATH" -trimpath -buildvcs=false
 
       - name: Package
         if: ${{ matrix.goos == 'linux' }}
@@ -240,8 +236,10 @@ jobs:
           arch: ${{ matrix.goarch }}
           reproducible: report
           instructions: |-
-            cp LICENSE $TARGET_DIR/LICENSE.txt
-            go build -ldflags="$GOLDFLAGS" -o "$BIN_PATH" -trimpath -buildvcs=false
+            # Note that for non-linux builds, .release/linux/package... is a no-op, 
+            # but files will always included in the zip root directory (TARGET_DIR) on all platforms.
+            ./.github/scripts/copy-legal.sh "${{ github.repository }}" "$TARGET_DIR" ".release/linux/package/usr/share/doc/${{ env.PKG_NAME }}"
+            go build -ldflags="$GOLDFLAGS" -tags="${{ matrix.gotags }}" -o "$BIN_PATH" -trimpath -buildvcs=false
 
   build-darwin:
     needs:
@@ -291,8 +289,10 @@ jobs:
           arch: ${{ matrix.goarch }}
           reproducible: report
           instructions: |-
-            cp LICENSE $TARGET_DIR/LICENSE.txt
-            go build -ldflags="$GOLDFLAGS" -tags netcgo -o "$BIN_PATH" -trimpath -buildvcs=false
+            # Note that for non-linux builds, .release/linux/package... is a no-op, 
+            # but files will always included in the zip root directory (TARGET_DIR) on all platforms.
+            ./.github/scripts/copy-legal.sh "${{ github.repository }}" "$TARGET_DIR" ".release/linux/package/usr/share/doc/${{ env.PKG_NAME }}"
+            go build -ldflags="$GOLDFLAGS" -tags="${{ matrix.gotags }}" -o "$BIN_PATH" -trimpath -buildvcs=false
 
   build-docker:
     name: Docker ${{ matrix.arch }} build