From 7f7357573c0604e80e9265f30d0c72714108d6cf Mon Sep 17 00:00:00 2001
From: "J. Ryan Stinnett" <jryans@gmail.com>
Date: Mon, 11 May 2020 10:33:31 +0100
Subject: [PATCH] Add CI scripts to install and link JS SDK

This installs and links the JS SDK to access ESLint rules and their deps. These
scripts are copied from the React SDK.

Part of https://github.com/vector-im/riot-web/issues/13584
---
 scripts/ci/install-deps.sh | 13 +++++++++++++
 scripts/fetchdep.sh        | 40 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 53 insertions(+)
 create mode 100755 scripts/ci/install-deps.sh
 create mode 100755 scripts/fetchdep.sh

diff --git a/scripts/ci/install-deps.sh b/scripts/ci/install-deps.sh
new file mode 100755
index 0000000..bbda74e
--- /dev/null
+++ b/scripts/ci/install-deps.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+set -ex
+
+scripts/fetchdep.sh matrix-org matrix-js-sdk
+
+pushd matrix-js-sdk
+yarn link
+yarn install $@
+popd
+
+yarn link matrix-js-sdk
+yarn install $@
diff --git a/scripts/fetchdep.sh b/scripts/fetchdep.sh
new file mode 100755
index 0000000..0142305
--- /dev/null
+++ b/scripts/fetchdep.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+set -x
+
+deforg="$1"
+defrepo="$2"
+defbranch="$3"
+
+[ -z "$defbranch" ] && defbranch="develop"
+
+rm -r "$defrepo" || true
+
+clone() {
+    org=$1
+    repo=$2
+    branch=$3
+    if [ -n "$branch" ]
+    then
+        echo "Trying to use $org/$repo#$branch"
+        git clone git://github.com/$org/$repo.git $repo --branch "$branch" --depth 1 && exit 0
+    fi
+}
+
+# Try the PR author's branch in case it exists on the deps as well.
+# If BUILDKITE_BRANCH is set, it will contain either:
+#   * "branch" when the author's branch and target branch are in the same repo
+#   * "author:branch" when the author's branch is in their fork
+# We can split on `:` into an array to check.
+BUILDKITE_BRANCH_ARRAY=(${BUILDKITE_BRANCH//:/ })
+if [[ "${#BUILDKITE_BRANCH_ARRAY[@]}" == "1" ]]; then
+    clone $deforg $defrepo $BUILDKITE_BRANCH
+elif [[ "${#BUILDKITE_BRANCH_ARRAY[@]}" == "2" ]]; then
+    clone ${BUILDKITE_BRANCH_ARRAY[0]} $defrepo ${BUILDKITE_BRANCH_ARRAY[1]}
+fi
+# Try the target branch of the push or PR.
+clone $deforg $defrepo $BUILDKITE_PULL_REQUEST_BASE_BRANCH
+# Try the current branch from Jenkins.
+clone $deforg $defrepo `"echo $GIT_BRANCH" | sed -e 's/^origin\///'`
+# Use the default branch as the last resort.
+clone $deforg $defrepo $defbranch