fix: bug with detecting deleted files

entrypoint.sh

@@ -18,28 +18,46 @@ if [[ "$INPUT_MATCH_GITIGNORE_FILES" == "true" ]]; then
 fi
 
 if [[ -n "$INPUT_FILES_PATTERN_FILE" ]]; then
-  TRACKED_FILES=$(git diff --diff-filter=ACMUXTRD --name-only | { grep -x -E -f "$INPUT_FILES_PATTERN_FILE" || true; } | awk -v d="|" '{s=(NR==1?s:s d)$0}END{print s}')
+  TRACKED_FILES=$(git diff --diff-filter=ACMUXTR --name-only | { grep -x -E -f "$INPUT_FILES_PATTERN_FILE" || true; } | awk -v d="|" '{s=(NR==1?s:s d)$0}END{print s}')
 
   # Find untracked changes
   # shellcheck disable=SC2086
   UNTRACKED_OR_IGNORED_FILES=$(git status $GIT_STATUS_EXTRA_ARGS | awk '{print $NF}' | { grep -x -E -f "$INPUT_FILES_PATTERN_FILE" || true; } | awk -v d="|" '{s=(NR==1?s:s d)$0}END{print s}')
+
+  # Find unstaged deleted files
+  UNSTAGED_DELETED_FILES=$(git ls-files --deleted | { grep -x -E -f "$INPUT_FILES_PATTERN_FILE" || true; } | awk -v d="|" '{s=(NR==1?s:s d)$0}END{print s}')
 else
-  TRACKED_FILES=$(git diff --diff-filter=ACMUXTRD --name-only | awk -v d="|" '{s=(NR==1?s:s d)$0}END{print s}')
+  TRACKED_FILES=$(git diff --diff-filter=ACMUXTR --name-only | awk -v d="|" '{s=(NR==1?s:s d)$0}END{print s}')
 
   # Find untracked changes
   # shellcheck disable=SC2086
   UNTRACKED_OR_IGNORED_FILES=$(git status $GIT_STATUS_EXTRA_ARGS | awk '{print $NF}' | awk -v d="|" '{s=(NR==1?s:s d)$0}END{print s}')
+
+  # Find unstaged deleted files
+  UNSTAGED_DELETED_FILES=$(git ls-files --deleted | awk -v d="|" '{s=(NR==1?s:s d)$0}END{print s}')
 fi
 
 CHANGED_FILES=""
 
-if [[ -n "$TRACKED_FILES" && -n "$UNTRACKED_OR_IGNORED_FILES" ]]; then
-  CHANGED_FILES="$TRACKED_FILES|$UNTRACKED_OR_IGNORED_FILES"
-elif [[ -n "$TRACKED_FILES" && -z "$UNTRACKED_OR_IGNORED_FILES" ]]; then
-  CHANGED_FILES="$TRACKED_FILES"
-elif [[ -n "$UNTRACKED_OR_IGNORED_FILES" && -z "$TRACKED_FILES" ]]; then
-  CHANGED_FILES="$UNTRACKED_OR_IGNORED_FILES"
-fi
+# Function to concatenate non-empty strings with a separator
+concatenate() {
+  local separator=$1
+  shift
+  local result=""
+  for str in "$@"; do
+    if [[ -n $str ]]; then
+      if [[ -n $result ]]; then
+        result+="$separator$str"
+      else
+        result="$str"
+      fi
+    fi
+  done
+  echo "$result"
+}
+
+# Concatenate non-empty strings with a '|' separator
+CHANGED_FILES=$(concatenate "|" "$TRACKED_FILES" "$UNTRACKED_OR_IGNORED_FILES" "$UNSTAGED_DELETED_FILES")
 
 CHANGED_FILES=$(echo "$CHANGED_FILES"  | awk '{gsub(/\|/,"\n"); print $0;}' | sort -u | awk -v d="|" '{s=(NR==1?s:s d)$0}END{print s}')