1 files changed, 13 insertions, 0 deletions

diff --git a/scripts/installable.sh b/scripts/installable.sh
new file mode 100644
index 000000000..1d5a90c29
--- /dev/null
+++ b/scripts/installable.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+npmver=$(perl -E "say q{$npm_config_user_agent} =~ m{/(\S+)}")
+
+if semver -r ^3.0.0-0 $npmver > /dev/null; then
+	echo "Packaging with $npmver"
+else
+	echo "Packaging or installing npm@$npm_package_version with npm@$npmver is impossible." 1>&2
+	echo "Please install npm@^3.0.0-0 from the registry and use that or run your command with" 1>&2
+	echo "this version of npm with:" 1>&2
+	npmargs=$(node -e "a=$npm_config_argv; console.log(a.original.join(' '))")
+	echo "    $npm_node_execpath $PWD $npmargs" 1>&2
+	exit 1
+fi