From 204320bf9d26a26789666add92028a9ec8b9c759 Mon Sep 17 00:00:00 2001
From: Karan Kumar <karan.kumar6@ibm.com>
Date: Thu, 8 Feb 2024 00:08:12 +0530
Subject: [PATCH] Install Trivy for vulnerability scanning unit-testing

---
 .github/workflows/ci.yml |  2 ++
 Makefile                 |  4 ++++
 hack/install-trivy.sh    | 31 +++++++++++++++++++++++++++++++
 3 files changed, 37 insertions(+)
 create mode 100755 hack/install-trivy.sh

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0c5ca376d2..8f69de2aad 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,6 +22,8 @@ jobs:
           go-version: '1.20.x'
           cache: true
           check-latest: true
+      - name: Install Trivy
+        run: make install-trivy
       - name: Build
         run: make build
       - name: Test
diff --git a/Makefile b/Makefile
index 486273b407..8e8d5fb8db 100644
--- a/Makefile
+++ b/Makefile
@@ -157,6 +157,10 @@ install-counterfeiter:
 install-spruce:
 	hack/install-spruce.sh
 
+.PHONY: install-trivy
+install-trivy:
+	hack/install-trivy.sh
+
 # Install golangci-lint via: go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
 .PHONY: sanity-check
 sanity-check:
diff --git a/hack/install-trivy.sh b/hack/install-trivy.sh
new file mode 100755
index 0000000000..6e839cafc1
--- /dev/null
+++ b/hack/install-trivy.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# Copyright The Shipwright Contributors
+#
+# SPDX-License-Identifier: Apache-2.0
+
+#
+# Installs "trivy"
+#
+
+set -euo pipefail
+
+# Find a suitable install location
+for CANDIDATE in "$HOME/bin" "/usr/local/bin" "/usr/bin"; do
+  if [[ -w $CANDIDATE ]] && grep -q "$CANDIDATE" <<<"$PATH"; then
+    TARGET_DIR="$CANDIDATE"
+    break
+  fi
+done
+
+# Bail out in case no suitable location could be found
+if [[ -z ${TARGET_DIR:-} ]]; then
+  echo -e "Unable to determine a writable install location. Make sure that you have write access to either \\033[1m/usr/local/bin\\033[0m or \\033[1m${HOME}/bin\\033[0m and that is in your PATH."
+  exit 1
+fi
+
+echo "# Install Trivy"
+curl -sfL https://raw.githubusercontent.com/aquasecurity/trivy/main/contrib/install.sh | sh -s -- -b "$TARGET_DIR"
+
+echo "# Trivy version"
+trivy --version