Make yarn/npm install lenient during auto-indexing

Author: olafurpg

Dockerfile.autoindex

@@ -15,4 +15,10 @@ RUN yarn global add npm yarn
 
 RUN yarn global add @sourcegraph/scip-typescript@${TAG} @sourcegraph/src
 
+RUN mv /usr/local/bin/yarn /usr/local/bin/actual-yarn
+COPY ./dev/lenient-yarn.sh /usr/local/bin/yarn
+
+RUN mv /usr/local/bin/npm /usr/local/bin/actual-npm
+COPY ./dev/lenient-npm.sh /usr/local/bin/npm
+
 CMD ["/bin/sh"]

dev/lenient-npm.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+set -eux
+
+if [ $# -gt 0 ] && [ "$1" == "install" ]; then
+	/usr/local/bin/actual-npm "$@" || true
+else
+	/usr/local/bin/actual-npm "$@"
+fi

dev/lenient-yarn.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+set -eux
+
+if [ $# -gt 1 ] && [ "$1" == "install" ]; then
+	/usr/local/bin/actual-yarn "$@" || true
+else
+	/usr/local/bin/actual-yarn "$@"
+fi