From f213dd8a313db4a2d61effd6d8c8e6c06429770c Mon Sep 17 00:00:00 2001
From: Andrew Farries <andrew.farries@xata.io>
Date: Thu, 25 Jan 2024 09:35:35 +0000
Subject: [PATCH] Add deadcode analysis CI check

Fail the build if any dead code is detected.
---
 .github/workflows/build.yml | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 57b156268..592f8aeb7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -75,6 +75,30 @@ jobs:
             exit 1
           fi
 
+  dead-code-check:
+    name: dead code check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.21'
+
+      - name: Install deadcode tool
+        run: |
+          go install golang.org/x/tools/cmd/deadcode@latest
+
+      - name: Run deadcode analysis
+        run: |
+          deadcode --test ./... > deadcode-out
+          if [ ! -s deadcode-out ]; then
+            echo "Dead code analysis failed!"
+            echo "Dead code analysis found the following dead code:"
+            cat deadcode-out
+          fi
+
   license-check:
     name: license check
     runs-on: ubuntu-latest
@@ -124,7 +148,7 @@ jobs:
 
   release:
     runs-on: ubuntu-latest
-    needs: [test, lint, examples, license-check, type-generation]
+    needs: [test, lint, examples, license-check, type-generation, dead-code-check]
     if: startsWith(github.ref, 'refs/tags/')
     env:
       DOCKER_CLI_EXPERIMENTAL: "enabled"