Fix non zero exit code on successful retry

docs/CHANGELOG.md

@@ -8,6 +8,12 @@ The format is based on [Keep a Changelog][kac] and this project adheres to
 [kac]: https://keepachangelog.com/en/1.0.0/
 [semver]: https://semver.org/
 
+## [Unreleased]
+
+### Fixed
+
+* fix non zero return code on successful retried tests (#670)
+
 ## [1.8.1] - 2022-10-19
 
 ### Fixed

libexec/bats-core/bats-exec-file

@@ -221,6 +221,7 @@ bats_run_test_with_retries() { # <args>
       status=$?
       if ((status == BATS_RETRY_RETURN_CODE)); then
         should_try_again=1
+        status=0 # this is not the last try -> reset status
       else
         should_try_again=0
         bats_exec_file_status=$status

test/bats.bats

@@ -1433,6 +1433,7 @@ enforce_own_process_group() {
 }
 
 @test "BATS_TEST_RETRIES allows for retrying tests" {
+  # shellcheck disable=SC2030
   export LOG="$BATS_TEST_TMPDIR/call.log"
   bats_require_minimum_version 1.5.0
   reentrant_run ! bats "$FIXTURE_ROOT/retry.bats"
@@ -1480,3 +1481,13 @@ enforce_own_process_group() {
   [ "${#lines[@]}" -eq 6 ]
 
 }
+
+@test "Exit code is zero after successful retry (see #660)" {
+  # shellcheck disable=SC2031
+  export LOG="$BATS_TEST_TMPDIR/call.log"
+  bats_require_minimum_version 1.5.0
+  reentrant_run -0 bats "$FIXTURE_ROOT/retry_success.bats"
+  [ "${lines[0]}" == '1..1' ]
+  [ "${lines[1]}" == 'ok 1 Fail once' ]
+  [ ${#lines[@]} == 2 ]
+}

test/fixtures/bats/retry_success.bats

@@ -0,0 +1,6 @@
+# shellcheck disable=SC2034
+BATS_TEST_RETRIES=2 # means three tries per test
+
+@test "Fail once" {
+  ((BATS_TEST_TRY_NUMBER > 1)) || false
+}