Fixes file-extension bug

.github/workflows/push.yml

@@ -2,18 +2,13 @@ on: [pull_request]
 name: PR Checks
 jobs:
   markdown-link-check:
-    strategy:
-      matrix:
-        file-extension: [.md, .markdown]
-      fail-fast: false
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@master
     - name: markdown-link-check
       uses: ./
       with:
         use-quiet-mode: 'yes'
-        file-extension: ${{ matrix.file-extension }}
         folder-path: 'md'
   shellcheck:
     runs-on: [ubuntu-latest]

entrypoint.sh

@@ -18,7 +18,11 @@ FOLDER_PATH="$4"
 MAX_DEPTH="$5"
 CHECK_MODIFIED_FILES="$6"
 BASE_BRANCH="$7"
-FILE_EXTENSION="$8"
+if [ $8 -eq 0 ]; then
+   FILE_EXTENSION=".md"
+else
+   FILE_EXTENSION="$8"
+fi
 
 echo -e "${BLUE}USE_QUIET_MODE: $1${NC}"
 echo -e "${BLUE}USE_VERBOSE_MODE: $2${NC}"
@@ -77,7 +81,7 @@ if [ "$CHECK_MODIFIED_FILES" = "yes" ]; then
 
    for i in "${FILE_ARRAY[@]}"
       do
-         if [ ${i: -3} = ".md" ]; then
+         if [ ${i: -3} = "${FILE_EXTENSION}" ]; then
             FIND_CALL+=("${i}")
             COMMAND="${FIND_CALL[@]}"
             $COMMAND &>> error.txt || true