Install ggrep during mac tests

Author: Zordrak

.github/workflows/test.yml

@@ -23,6 +23,10 @@ jobs:
           - 'ubuntu-latest'
     steps:
       - uses: 'actions/checkout@v2'
+        with:
+          fetch-depth: 1
+      - name: 'Install Dependencies'
+        run: './test/install_deps.sh'
       - name: 'Run all tests'
         run: './test/run.sh'
         shell: 'bash'
@@ -41,6 +45,10 @@ jobs:
           - 'windows-2019'
     steps:
       - uses: 'actions/checkout@v2'
+        with:
+          fetch-depth: 1
+      - name: 'Install Dependencies'
+        run: './test/install_deps.sh'
       - name: 'Run all tests'
         run: './test/run.sh'
         shell: 'bash'

test/install_deps.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -uo pipefail;
+
+if [[ $(uname) == 'Darwin' ]] && [ $(which brew) ]; then
+  brew install grep;
+fi;