SWIFT-1431: Add spec sync script

Author: nspektor

etc/update-spec-test.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+
+# This script is used to fetch the latest version of a JSON test from the specification repository
+# You can pass it the relative path to a spec file and it will fetch the latest version of the test
+# Example usage from driver root directory: 
+# $ ./etc/update-spec-test.sh crud/tests/unified/deleteMany-let.json
+
+set -o errexit
+set -o nounset
+
+if [ ! -d ".git" ]; then
+    echo "$0: This script must be run from the root of the repository" >&2
+    exit 1
+fi
+
+if [ $# -ne 1 ]; then
+    echo "$0: This script must be passed exactly one argument for which test to sync" >&2
+    exit 1
+fi
+
+spec_root="Tests/Specs"
+
+tmpdir=`perl -MFile::Temp=tempdir -wle 'print tempdir(TMPDIR => 1, CLEANUP => 0)'`
+curl -sL https://github.com/mongodb/specifications/archive/master.zip -o "$tmpdir/specs.zip"
+unzip -d "$tmpdir" "$tmpdir/specs.zip" > /dev/null
+
+touch "$spec_root/$1"
+rsync -ah "$tmpdir/specifications-master/source/$1" "$spec_root/$1" --delete
+
+rm -rf "$tmpdir"