Remove scripts submodule and hard code for now [#163825783]

Co-authored-by: Guillermo Kardolus <gkardolus@pivotal.io>

Author: Danny Joyce

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "scripts"]
-	path = scripts
-	url = git@github.com:cloudfoundry/cnb-scripts

scripts

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+cd "$( dirname "${BASH_SOURCE[0]}" )/.."
+./scripts/unit.sh && ./scripts/integration.sh
+

scripts/all-tests.sh

@@ -0,0 +1,84 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+PACK_VERSION=latest
+
+usage() {
+    echo "Usage:   install_tools.sh <version: optional>"
+    echo "Example: install_tools.sh 0.0.9"
+    exit 0
+}
+
+if [ "$#" -gt 1  ]; then
+    usage
+fi
+
+if [[ "$#" -eq 1 && $1 == "-h"  ]]; then
+    usage
+fi
+
+if [ "$#" -eq 1  ]; then
+    PACK_VERSION="$1"
+fi
+
+install_pack() {
+    OS=$(uname -s)
+
+    if [[ $OS == "Darwin" ]]; then
+        OS="macos"
+    elif [[ $OS == "Linux" ]]; then
+        OS="linux"
+    else
+        echo "Unsupported operating system"
+        exit 1
+    fi
+
+    if [ "$PACK_VERSION" != "latest" ]; then 
+        echo "Installing pack $PACK_VERSION" 
+
+        PACK_ARTIFACT=pack-$PACK_VERSION-$OS.tar.gz
+        ARTIFACT_URL="https://github.com/buildpack/pack/releases/download/v$PACK_VERSION/$PACK_ARTIFACT"
+        expand $ARTIFACT_URL
+        return 0
+    fi
+
+    if [[ $OS == "macos" ]]; then
+        ARTIFACT_URL=$(curl -s https://api.github.com/repos/buildpack/pack/releases/latest |   jq --raw-output '.assets[1] | .browser_download_url')
+    else
+        ARTIFACT_URL=$(curl -s https://api.github.com/repos/buildpack/pack/releases/latest |   jq --raw-output '.assets[0] | .browser_download_url')
+    fi
+
+    expand $ARTIFACT_URL
+}
+
+expand() {
+    PACK_ARTIFACT=$(echo $1 | sed "s/.*\///")
+    PACK_VERSION=v$(echo $PACK_ARTIFACT | sed 's/pack-//' | sed 's/-.*//')
+
+    if [[ ! -f .bin/pack ]]; then
+        echo "Installing Pack"
+    elif [[ "$(.bin/pack version | sed 's/VERSION: //' | cut -d ' ' -f 1)" != *$PACK_VERSION* ]]; then
+        rm .bin/pack
+        echo "Updating Pack"
+    else
+        echo "Version $PACK_VERSION of pack is already installed"
+        return 0
+    fi
+    wget $ARTIFACT_URL
+    tar xzvf $PACK_ARTIFACT -C .bin
+    rm $PACK_ARTIFACT
+}
+
+configure_pack() {
+    pack add-stack org.cloudfoundry.stacks.cflinuxfs3 \
+        --build-image cfbuildpacks/cflinuxfs3-cnb-experimental:build \
+        --run-image cfbuildpacks/cflinuxfs3-cnb-experimental:run || echo "Ignoring add stack error"
+}
+
+cd "$( dirname "${BASH_SOURCE[0]}" )/.."
+
+mkdir -p .bin
+export PATH=$(pwd)/.bin:$PATH
+
+install_pack
+configure_pack

scripts/install_tools.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+cd "$( dirname "${BASH_SOURCE[0]}" )/.."
+
+if [[ ! -d integration ]]; then
+    echo "No integration tests"
+    exit 1
+fi
+
+PACK_VERSION=${PACK_VERSION:-""}
+source ./scripts/install_tools.sh $PACK_VERSION
+
+export CNB_BUILD_IMAGE=${CNB_BUILD_IMAGE:-cfbuildpacks/cflinuxfs3-cnb-experimental:build}
+export CNB_RUN_IMAGE=${CNB_RUN_IMAGE:-cfbuildpacks/cflinuxfs3-cnb-experimental:run}
+
+# Always pull latest images
+# Most helpful for local testing consistency with CI (which would already pull the latest)
+docker pull $CNB_BUILD_IMAGE
+docker pull $CNB_RUN_IMAGE
+
+set +e
+echo "Run Buildpack Runtime Integration Tests"
+go test ./integration/... -v -run Integration
+exit_code=$?
+
+if [ "$exit_code" != "0" ]; then
+    echo -e "\n\033[0;31m** GO Test Failed **\033[0m"
+else
+    echo -e "\n\033[0;32m** GO Test Succeeded **\033[0m"
+fi
+
+exit $exit_code

scripts/integration.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+TARGET_OS=${1:-linux}
+
+cd "$( dirname "${BASH_SOURCE[0]}" )/.."
+
+echo "Target OS is $TARGET_OS"
+echo -n "Creating buildpack directory..."
+bp_dir=/tmp/"${PWD##*/}"_$(openssl rand -hex 12)
+mkdir $bp_dir
+echo "done"
+
+echo -n "Copying buildpack.toml..."
+cp buildpack.toml $bp_dir/buildpack.toml
+echo "done"
+
+if [ "${BP_REWRITE_HOST:-}" != "" ]; then
+    sed -i -e "s|^uri = \"https:\/\/buildpacks\.cloudfoundry\.org\(.*\)\"$|uri = \"http://$BP_REWRITE_HOST\1\"|g" "$bp_dir/buildpack.toml"
+fi
+
+for b in $(ls cmd); do
+    echo -n "Building $b..."
+    GOOS=$TARGET_OS go build -o $bp_dir/bin/$b ./cmd/$b
+    echo "done"
+done
+echo "Buildpack packaged into: $bp_dir"

scripts/package.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+cd "$( dirname "${BASH_SOURCE[0]}" )/.."
+
+echo "Run Buildpack Unit Tests"
+
+set +e
+go test ./... -v -run Unit
+exit_code=$?
+
+if [ "$exit_code" != "0" ]; then
+    echo -e "\n\033[0;31m** GO Test Failed **\033[0m"
+else
+    echo -e "\n\033[0;32m** GO Test Succeeded **\033[0m"
+fi
+
+exit $exit_code