diff options
| -rw-r--r-- | pager.c | 18 | ||||
| -rw-r--r-- | run-command.c | 7 | ||||
| -rwxr-xr-x | t/t7006-pager.sh | 130 |
3 files changed, 142 insertions, 13 deletions
@@ -11,29 +11,25 @@ static struct child_process pager_process = CHILD_PROCESS_INIT; static const char *pager_program; -static void wait_for_pager(int in_signal) +static void close_pager_fds(void) { - if (!in_signal) { - fflush(stdout); - fflush(stderr); - } /* signal EOF to pager */ close(1); close(2); - if (in_signal) - finish_command_in_signal(&pager_process); - else - finish_command(&pager_process); } static void wait_for_pager_atexit(void) { - wait_for_pager(0); + fflush(stdout); + fflush(stderr); + close_pager_fds(); + finish_command(&pager_process); } static void wait_for_pager_signal(int signo) { - wait_for_pager(1); + close_pager_fds(); + finish_command_in_signal(&pager_process); sigchain_pop(signo); raise(signo); } diff --git a/run-command.c b/run-command.c index ea4d0fb4b1..509841bf27 100644 --- a/run-command.c +++ b/run-command.c @@ -551,8 +551,11 @@ static int wait_or_whine(pid_t pid, const char *argv0, int in_signal) while ((waiting = waitpid(pid, &status, 0)) < 0 && errno == EINTR) ; /* nothing */ - if (in_signal) - return 0; + if (in_signal) { + if (WIFEXITED(status)) + code = WEXITSTATUS(status); + return code; + } if (waiting < 0) { failed_errno = errno; diff --git a/t/t7006-pager.sh b/t/t7006-pager.sh index fdb450e446..0e7cf75435 100755 --- a/t/t7006-pager.sh +++ b/t/t7006-pager.sh @@ -656,4 +656,134 @@ test_expect_success TTY 'git tag with auto-columns ' ' test_cmp expect actual ' +test_expect_success 'setup trace2' ' + GIT_TRACE2_BRIEF=1 && + export GIT_TRACE2_BRIEF +' + +test_expect_success TTY 'git returns SIGPIPE on early pager exit' ' + test_when_finished "rm pager-used trace.normal" && + test_config core.pager ">pager-used; head -n 1; exit 0" && + GIT_TRACE2="$(pwd)/trace.normal" && + export GIT_TRACE2 && + test_when_finished "unset GIT_TRACE2" && + + if test_have_prereq !MINGW + then + OUT=$( ((test_terminal git log; echo $? 1>&3) | :) 3>&1 ) && + test_match_signal 13 "$OUT" + else + test_terminal git log + fi && + + grep child_exit trace.normal >child-exits && + test_line_count = 1 child-exits && + grep " code:0 " child-exits && + test_path_is_file pager-used +' + +test_expect_success TTY 'git returns SIGPIPE on early pager non-zero exit' ' + test_when_finished "rm pager-used trace.normal" && + test_config core.pager ">pager-used; head -n 1; exit 1" && + GIT_TRACE2="$(pwd)/trace.normal" && + export GIT_TRACE2 && + test_when_finished "unset GIT_TRACE2" && + + if test_have_prereq !MINGW + then + OUT=$( ((test_terminal git log; echo $? 1>&3) | :) 3>&1 ) && + test_match_signal 13 "$OUT" + else + test_terminal git log + fi && + + grep child_exit trace.normal >child-exits && + test_line_count = 1 child-exits && + grep " code:1 " child-exits && + test_path_is_file pager-used +' + +test_expect_success TTY 'git discards pager non-zero exit without SIGPIPE' ' + test_when_finished "rm pager-used trace.normal" && + test_config core.pager "wc >pager-used; exit 1" && + GIT_TRACE2="$(pwd)/trace.normal" && + export GIT_TRACE2 && + test_when_finished "unset GIT_TRACE2" && + + if test_have_prereq !MINGW + then + OUT=$( ((test_terminal git log; echo $? 1>&3) | :) 3>&1 ) && + test "$OUT" -eq 0 + else + test_terminal git log + fi && + + grep child_exit trace.normal >child-exits && + test_line_count = 1 child-exits && + grep " code:1 " child-exits && + test_path_is_file pager-used +' + +test_expect_success TTY 'git discards nonexisting pager without SIGPIPE' ' + test_when_finished "rm pager-used trace.normal" && + test_config core.pager "wc >pager-used; does-not-exist" && + GIT_TRACE2="$(pwd)/trace.normal" && + export GIT_TRACE2 && + test_when_finished "unset GIT_TRACE2" && + + if test_have_prereq !MINGW + then + OUT=$( ((test_terminal git log; echo $? 1>&3) | :) 3>&1 ) && + test "$OUT" -eq 0 + else + test_terminal git log + fi && + + grep child_exit trace.normal >child-exits && + test_line_count = 1 child-exits && + grep " code:127 " child-exits && + test_path_is_file pager-used +' + +test_expect_success TTY 'git attempts to page to nonexisting pager command, gets SIGPIPE' ' + test_when_finished "rm trace.normal" && + test_config core.pager "does-not-exist" && + GIT_TRACE2="$(pwd)/trace.normal" && + export GIT_TRACE2 && + test_when_finished "unset GIT_TRACE2" && + + if test_have_prereq !MINGW + then + OUT=$( ((test_terminal git log; echo $? 1>&3) | :) 3>&1 ) && + test_match_signal 13 "$OUT" + else + test_terminal git log + fi && + + grep child_exit trace.normal >child-exits && + test_line_count = 1 child-exits && + grep " code:-1 " child-exits +' + +test_expect_success TTY 'git returns SIGPIPE on propagated signals from pager' ' + test_when_finished "rm pager-used trace.normal" && + test_config core.pager ">pager-used; test-tool sigchain" && + GIT_TRACE2="$(pwd)/trace.normal" && + export GIT_TRACE2 && + test_when_finished "unset GIT_TRACE2" && + + if test_have_prereq !MINGW + then + OUT=$( ((test_terminal git log; echo $? 1>&3) | :) 3>&1 ) && + test_match_signal 13 "$OUT" + else + test_terminal git log + fi && + + grep child_exit trace.normal >child-exits && + test_line_count = 1 child-exits && + grep " code:143 " child-exits && + test_path_is_file pager-used +' + test_done |