Implementation for ignore_deleted option

README.md

@@ -52,6 +52,7 @@ jobs:
             Please make sure you are NOT addressing multiple issues with one PR.
             Note this PR might be rejected due to its size.
           github_api_url: 'api.github.com'
+          ignore_deleted: 'false'
           files_to_ignore: ''
 ```
 
@@ -62,6 +63,7 @@ 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'`
+- `ignore_deleted`: Set to `'true'` will ignore any deleted files when calculating the PR size.
 - `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

action.yml

@@ -55,6 +55,10 @@ inputs:
     description: 'URL to the API of your Github Server, only necessary for Github Enterprise customers'
     required: false
     default: 'https://api.github.com'
+  ignore_deleted:
+    description: 'Ignore deleted files when calculating the PR size'
+    required: false
+    default: 'false'
   files_to_ignore:
     description: 'Whitespace separated list of files to ignore when calculating the PR size (sum of changes)'
     required: false
@@ -76,6 +80,7 @@ runs:
     - --xl_label=${{ inputs.xl_label }}
     - --fail_if_xl=${{ inputs.fail_if_xl }}
     - --message_if_xl="${{ inputs.message_if_xl }}"
+    - --ignore_deleted=${{ inputs.ignore_deleted }}
     - --files_to_ignore=${{ inputs.files_to_ignore }}
 branding:
   icon: 'tag'

src/github.sh

@@ -5,8 +5,9 @@ GITHUB_API_HEADER="Accept: application/vnd.github.v3+json"
 github::calculate_total_modifications() {
   local -r pr_number="${1}"
   local -r files_to_ignore="${2}"
+  local -r ignore_deleted="${3}"
 
-  if [ -z "$files_to_ignore" ]; then
+  if [[ (-z "$files_to_ignore" && "$ignore_deleted" == 'false') ]]; then
     local -r body=$(curl -sSL -H "Authorization: token $GITHUB_TOKEN" -H "$GITHUB_API_HEADER" "$GITHUB_API_URL/repos/$GITHUB_REPOSITORY/pulls/$pr_number")
 
     local -r additions=$(echo "$body" | jq '.additions')
@@ -20,6 +21,10 @@ github::calculate_total_modifications() {
 
     for file in $(echo "$body" | jq -r '.[] | @base64'); do
       local ignore_file=0
+      if [[ ( "$ignore_deleted" == 'true' && "$(jq::base64 '.status')" == 'removed') ]]; then
+        echo "Ignoring deleted file: $(jq::base64 '.filename')"
+        continue
+      fi
       for file_to_ignore in $files_to_ignore; do
         if [ -z "$file_to_ignore" ]; then
           continue

src/labeler.sh

@@ -8,11 +8,13 @@ labeler::label() {
   local -r xl_label="${9}"
   local -r fail_if_xl="${10}"
   local -r message_if_xl="${11}"
-  local -r files_to_ignore="${12}"
+  local -r ignore_deleted="${12}"
+  local -r files_to_ignore="${13}"
 
   local -r pr_number=$(github_actions::get_pr_number)
-  local -r total_modifications=$(github::calculate_total_modifications "$pr_number" "$files_to_ignore")
+  local -r total_modifications=$(github::calculate_total_modifications "$pr_number" "$files_to_ignore" "$ignore_deleted")
 
+  log::message "Should ignore deleted files: $ignore_deleted"
   log::message "Total modifications (additions + deletions): $total_modifications"
   log::message "Ignoring files (if present): $files_to_ignore"
 

src/main.sh

@@ -9,7 +9,7 @@ source "$PR_SIZE_LABELER_HOME/src/misc.sh"
 ##? Adds a size label to a GitHub Pull Request
 ##?
 ##? Usage:
-##?   main.sh --github_token=<token> --xs_label=<label> --xs_max_size=<size> --s_label=<label> --s_max_size=<size> --m_label=<label> --m_max_size=<size> --l_label=<label> --l_max_size=<size> --xl_label=<label> --fail_if_xl=<false> --message_if_xl=<message> --github_api_url=<url> --files_to_ignore=<files>
+##?   main.sh --github_token=<token> --xs_label=<label> --xs_max_size=<size> --s_label=<label> --s_max_size=<size> --m_label=<label> --m_max_size=<size> --l_label=<label> --l_max_size=<size> --xl_label=<label> --fail_if_xl=<false> --message_if_xl=<message> --github_api_url=<url> --ignore_deleted=<false> --files_to_ignore=<files>
 main() {
   eval "$(/root/bin/docpars -h "$(grep "^##?" "$PR_SIZE_LABELER_HOME/src/main.sh" | cut -c 5-)" : "$@")"
 
@@ -31,6 +31,7 @@ main() {
     "$xl_label" \
     "$fail_if_xl" \
     "$message_if_xl" \
+    "$ignore_deleted" \
     "$files_to_ignore"
 
   exit $?