Update presubmit script

manifests/kustomize/hack/presubmit.sh

@@ -21,33 +21,30 @@ set -ex
 DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" > /dev/null && pwd)"
 TMP="$(mktemp -d)"
 
+# Add TMP to PATH
+PATH="$TMP:$PATH"
+
 pushd "${TMP}"
 
-# Install Kustomize
+# Install kustomize
 KUSTOMIZE_VERSION=5.2.1
-# Remove existing kustomize if it exists
-if [ -f "/usr/local/bin/kustomize" ]; then
-    echo "Removing existing kustomize from /usr/local/bin"
-    sudo rm /usr/local/bin/kustomize
-fi
-# Reference: https://kubectl.docs.kubernetes.io/installation/kustomize/binaries/
-curl -s -O "https://github.com/\
-kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"
-chmod +x install_kustomize.sh
-./install_kustomize.sh "${KUSTOMIZE_VERSION}" /usr/local/bin/
+# Reference: https://github.com/kubernetes-sigs/kustomize/releases/tag/kustomize%2Fv5.2.1
+curl -s -LO "https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize%2Fv${KUSTOMIZE_VERSION}/kustomize_v${KUSTOMIZE_VERSION}_linux_amd64.tar.gz"
+tar -xzf kustomize_v${KUSTOMIZE_VERSION}_linux_amd64.tar.gz
+chmod +x kustomize
 
 # Install yq
 # Reference: https://github.com/mikefarah/yq/releases/tag/3.4.1
 curl -s -LO "https://github.com/mikefarah/yq/releases/download/3.4.1/yq_linux_amd64"
 chmod +x yq_linux_amd64
-mv yq_linux_amd64 /usr/local/bin/yq
+mv yq_linux_amd64 yq
 
 # Install kpt
 KPT_VERSION=1.0.0-beta.54
 # Reference: https://github.com/kptdev/kpt/releases/tag/v1.0.0-beta.54
 curl -s -LO "https://github.com/kptdev/kpt/releases/download/v${KPT_VERSION}/kpt_linux_amd64"
 chmod +x kpt_linux_amd64
-mv kpt_linux_amd64 /usr/local/bin/kpt
+mv kpt_linux_amd64 kpt
 popd
 
 # trigger real unit tests