adjust install.sh for the latest release

Signed-off-by: yuswift <yuswift2018@gmail.com>

scripts/install.sh

@@ -70,37 +70,31 @@ fi
 
 KUBEBUILDER_VERSION=${KUBEBUILDER_VERSION#"v"}
 KUBEBUILDER_VERSION_NAME="kubebuilder_${KUBEBUILDER_VERSION}"
-KUBEBUILDER_DIR=/usr/local/kubebuilder
+KUBEBUILDER_DIR=/usr/local/bin/kubebuilder
 
 # Check if folder containing kubebuilder executable exists and is not empty
-if [ -d "$KUBEBUILDER_DIR" ]; then
-  if [ "$(ls -A $KUBEBUILDER_DIR)" ]; then
-    echo "\n/usr/local/kubebuilder folder is not empty. Please delete or backup it before to install ${KUBEBUILDER_VERSION_NAME}"
-    exit 1
-  fi
+if [ "$(ls -A $KUBEBUILDER_DIR)" ]; then
+  echo "\n/usr/local/bin/kubebuilder already exists. Please delete or backup it before to install ${KUBEBUILDER_VERSION_NAME}"
+  exit 1
 fi
 
 TMP_DIR=$(mktemp -d)
 pushd $TMP_DIR
 
 # Downloading Kubebuilder compressed file using curl program
-URL="https://github.com/kubernetes-sigs/kubebuilder/releases/download/v${KUBEBUILDER_VERSION}/${KUBEBUILDER_VERSION_NAME}_${OSEXT}_${ARCH}.tar.gz"
+URL="https://github.com/kubernetes-sigs/kubebuilder/releases/download/v${KUBEBUILDER_VERSION}/kubebuilder_${OSEXT}_${ARCH}"
 echo "Downloading ${KUBEBUILDER_VERSION_NAME}\nfrom $URL\n"
-curl -L "$URL"| tar xz -C $TMP_DIR
+curl -Lo kubebuilder_${OSEXT}_${ARCH} "$URL"
+chmod a+x kubebuilder_${OSEXT}_${ARCH}
 
 echo "Downloaded executable files"
-ls "${KUBEBUILDER_VERSION_NAME}_${OSEXT}_${ARCH}/bin"
+ls "kubebuilder_${OSEXT}_${ARCH}"
 
 if [[ -z "${PROW}" ]]; then
   MOVE="sudo mv"
 else
   MOVE="mv"
 fi
 
-echo "Moving files to $KUBEBUILDER_DIR folder\n"
-mv ${KUBEBUILDER_VERSION_NAME}_${OSEXT}_${ARCH} kubebuilder && sudo mv -f kubebuilder /usr/local/
-
-echo "Add kubebuilder to your path; e.g copy paste in your shell and/or edit your ~/.profile file"
-echo "export PATH=\$PATH:/usr/local/kubebuilder/bin"
-popd
-rm -rf $TMP_DIR
+echo "Moving files to /us/local/bin folder\n"
+mv kubebuilder_${OSEXT}_${ARCH} kubebuilder && sudo mv -f kubebuilder /usr/local/bin/