feat: add regex match for files to ignore (#50)

README.md

@@ -62,8 +62,16 @@ jobs:
 - `fail_if_xl`: Set to `'true'` will report GitHub Workflow failure if the PR size is xl allowing to forbid PR merge
 - `message_if_xl`: Let the user(s) know that the PR exceeds the recommended size and what the consequences are
 - `github_api_url`: Override this parameter in order to use with your own GitHub Enterprise Server. Example: `'https://github.example.com/api/v3'`
-- `files_to_ignore`: Whitespace separated list of files to ignore when calculating the PR size. Example: `'package-lock.json Pipfile.lock'`
-
+- `files_to_ignore`: Whitespace or newline separated list of files to ignore when calculating the PR size, regex match is supported.
+### files_to_ignore Example: 
+```yml
+files_to_ignore: 'package-lock.json *.lock'
+# OR
+files_to_ignore: |
+  "package-lock.json"
+  "*.lock"
+  "docs/*"
+```
 ## 🤔 Basic concepts or assumptions
 
 - PR size labeler consider as a change any kind of line addition, deletion, or modification

entrypoint.sh

@@ -14,7 +14,7 @@ bash --version
 source "$PR_SIZE_LABELER_HOME/src/main.sh"
 
 for a in "${@}"; do
-  arg=$(echo "$a" | tr -d '\n'| sed "s/'//g"| sed "s/’//g")
+  arg=$(echo "$a" | tr '\n' ' ' | xargs echo | sed "s/'//g"| sed "s/’//g")
   sanitizedArgs+=("$arg")
 done
 

src/github.sh

@@ -21,7 +21,10 @@ github::calculate_total_modifications() {
     for file in $(echo "$body" | jq -r '.[] | @base64'); do
       local ignore_file=0
       for file_to_ignore in $files_to_ignore; do
-        if [ "$file_to_ignore" = "$(basename $(jq::base64 '.filename'))" ]; then
+        if [ -z "$file_to_ignore" ]; then
+          continue
+        fi
+        if [[ "$(jq::base64 '.filename')" == $file_to_ignore ]]; then
           ignore_file=1
         fi
       done