Revert to old version of "failIfEmpty" check

entrypoint.sh

@@ -2,7 +2,7 @@
 set -uo pipefail
 
 # Enable optional debug output
-if [ "${INPUT_DEBUG}" = "true" ]; then
+if [ "${INPUT_DEBUG}" = true ]; then
   echo "Debug output enabled"
   set -x
 fi
@@ -25,11 +25,7 @@ FORMAT=""
 eval lychee ${FORMAT} --output ${LYCHEE_TMP} ${ARGS} 
 exit_code=$?
 
-if [ ! -f "${LYCHEE_TMP}" ]; then
-    echo "No output. Check pipeline run to see if lychee panicked." > "${LYCHEE_TMP}"
-fi
-
-# Overwrite the error code in case no links were found
+# Overwrite the exit code in case no links were found
 # and `fail-if-empty` is set to `true` (and it is by default)
 if [ "${INPUT_FAILIFEMPTY:-false}" = "true" ]; then
     # This is a somewhat crude way to check the Markdown output of lychee
@@ -40,8 +36,10 @@ if [ "${INPUT_FAILIFEMPTY:-false}" = "true" ]; then
     fi
 fi
 
-# If link errors were found, create a report in the designated directory
-if [ $exit_code -ne 0 ]; then
+if [ ! -f "${LYCHEE_TMP}" ]; then
+    echo "No output. Check pipeline run to see if lychee panicked." > "${LYCHEE_TMP}"
+else
+    # If we have any output, create a report in the designated directory
     mkdir -p "$(dirname -- "${INPUT_OUTPUT}")"
     cat "${LYCHEE_TMP}" > "${INPUT_OUTPUT}"
 
@@ -55,16 +53,16 @@ cat "${LYCHEE_TMP}"
 echo
 
 if [ "${INPUT_FORMAT}" == "markdown" ]; then
-  if [ "${INPUT_JOBSUMMARY}" = "true" ]; then
+  if [ "${INPUT_JOBSUMMARY}" = true ]; then
     cat "${LYCHEE_TMP}" > "${GITHUB_STEP_SUMMARY}"
   fi
 fi
 
 # Pass lychee exit code to next step
-echo "lychee_exit_code=$exit_code" >> "$GITHUB_ENV"
+echo "lychee_exit_code=$exit_code" >> $GITHUB_ENV
 
 # If `fail` is set to `true`, propagate the real exit code to the workflow
 # runner. This will cause the pipeline to fail on `exit != 0`.
-if [ "${INPUT_FAIL}" = "true" ]; then
+if [ "$INPUT_FAIL" = true ] ; then
     exit ${exit_code}
 fi