From ba713a211955639ee05fbea1a3c2381d0365ab18 Mon Sep 17 00:00:00 2001
From: Gaurav Nelson <gaurav@stackrox.com>
Date: Wed, 9 Oct 2019 10:53:02 +1000
Subject: [PATCH] Added support for markdown-link-check config file

---
 README.md       |  6 ++++++
 entrypoint.sh   | 23 ++++++++++++++++++++---
 mlc_config.json |  7 +++++++
 3 files changed, 33 insertions(+), 3 deletions(-)
 create mode 100644 mlc_config.json

diff --git a/README.md b/README.md
index 5c2086c..ebbdce3 100644
--- a/README.md
+++ b/README.md
@@ -19,9 +19,15 @@ This GitHub action checks all Markdown files in your repository for broken links
            fetch-depth: 1
        - uses: gaurav-nelson/github-action-markdown-link-check@0.2.0
    ```
+1. To use a [custom configuration](https://github.com/tcort/markdown-link-check#config-file-format)
+   for markdown-link-check, create a JSON configuration file and save it in the
+   root filder as `mlc_config.json`.
 
 ## Test links
 
 www.google.com
 
 [This is a broken link](www.exampleexample.cox)
+
+[This is another broken link](http://ignored-domain.com) but its ignored using a
+configuration file. 
diff --git a/entrypoint.sh b/entrypoint.sh
index 23f827f..1ba7d7a 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -2,16 +2,33 @@
 
 set -eu
 
+NC='\033[0m' # No Color
+GREEN='\033[0;32m'
+YELLOW='\033[0;33m'
+BLUE='\033[0;34m'
+
 npm i -g markdown-link-check
 
-echo "=========================> MARKDOWN LINK CHECK <========================="
+CONFIG_FILE=mlc_config.json
 
-find . -name \*.md -not -path "./node_modules/*" -exec markdown-link-check {} \; 2> error.txt
+echo -e "${YELLOW}=========================> MARKDOWN LINK CHECK <=========================${NC}"
 
-echo "========================================================================="
+if [ -f "$CONFIG_FILE" ]; then
+    echo -e "${BLUE}Using markdown-link-check configuration file: ${YELLOW}$CONFIG_FILE${NC}"
+    find . -name \*.md -not -path "./node_modules/*" -exec markdown-link-check {} --config "$CONFIG_FILE" \; 2> error.txt
+else 
+    echo -e "${BLUE}Cannot find ${YELLOW}$CONFIG_FILE${NC}"
+    echo -e "${YELLOW}NOTE: See https://github.com/tcort/markdown-link-check#config-file-format to know more about"
+    echo -e "customizing markdown-link-check by using a configuration file.${NC}"
+    find . -name \*.md -not -path "./node_modules/*" -exec markdown-link-check {} \; 2> error.txt
+fi
+
+echo -e "${YELLOW}=========================================================================${NC}"
 
 if [ -e error.txt ] ; then
   if grep -q "ERROR:" error.txt; then
     exit 113
   fi
+else
+  echo -e "${GREEN}All good!${NC}"
 fi
diff --git a/mlc_config.json b/mlc_config.json
new file mode 100644
index 0000000..32c722a
--- /dev/null
+++ b/mlc_config.json
@@ -0,0 +1,7 @@
+{
+    "ignorePatterns": [
+        {
+            "pattern": "^http://ignored-domain.com"
+        }
+    ]
+}
\ No newline at end of file