Merge branch 'rs/t1002-do-not-use-sum'

Test simplification.

* rs/t1002-do-not-use-sum:
t1002: stop using sum(1)

diff --combined t/test-lib.sh
index 5e3ca30ab3b4e9e74b953dc77587ae35deb60cf2,4d3089d0b21d79a871e75952fff2a213be7a4c92..5fbd8d4a90b3b88cf57ca53c6b1fe99d5a957460
--- 1/t/test-lib.sh
--- 2/t/test-lib.sh
+++ b/t/test-lib.sh
@@@ -36,14 -36,6 +36,14 @@@ the
  fi
  GIT_BUILD_DIR="$TEST_DIRECTORY"/..
  
 +# If we were built with ASAN, it may complain about leaks
 +# of program-lifetime variables. Disable it by default to lower
 +# the noise level. This needs to happen at the start of the script,
 +# before we even do our "did we build git yet" check (since we don't
 +# want that one to complain to stderr).
 +: ${ASAN_OPTIONS=detect_leaks=0:abort_on_error=1}
 +export ASAN_OPTIONS
 +
  ################################################################
  # It appears that people try to run tests without building...
  "$GIT_BUILD_DIR/git" >/dev/null
@@@ -99,6 -91,7 +99,6 @@@ unset VISUAL EMAIL LANGUAGE COLUMNS $("
        my $ok = join("|", qw(
                TRACE
                DEBUG
 -              USE_LOOKUP
                TEST
                .*_TEST
                PROVE
@@@ -155,6 -148,9 +155,6 @@@ els
        }
  fi
  
 -: ${ASAN_OPTIONS=detect_leaks=0}
 -export ASAN_OPTIONS
 -
  # Protect ourselves from common misconfiguration to export
  # CDPATH into the environment
  unset CDPATH
@@@ -346,7 -342,6 +346,7 @@@ f
  
  exec 5>&1
  exec 6<&0
 +exec 7>&2
  if test "$verbose_log" = "t"
  then
        exec 3>>"$GIT_TEST_TEE_OUTPUT_FILE" 4>&3
@@@ -629,9 -624,9 +629,9 @@@ test_run_ () 
                trace=
                # 117 is magic because it is unlikely to match the exit
                # code of other programs
 -              test_eval_ "(exit 117) && $1"
 -              if test "$?" != 117; then
 -                      error "bug in the test script: broken &&-chain: $1"
 +              if test "OK-117" != "$(test_eval_ "(exit 117) && $1${LF}${LF}echo OK-\$?" 3>&1)"
 +              then
 +                      error "bug in the test script: broken &&-chain or run-away HERE-DOC: $1"
                fi
                trace=$trace_tmp
        fi
@@@ -749,36 -744,26 +749,36 @@@ test_done () 
        fi
        case "$test_failure" in
        0)
 -              # Maybe print SKIP message
 -              if test -n "$skip_all" && test $test_count -gt 0
 -              then
 -                      error "Can't use skip_all after running some tests"
 -              fi
 -              test -z "$skip_all" || skip_all=" # SKIP $skip_all"
 -
                if test $test_external_has_tap -eq 0
                then
                        if test $test_remaining -gt 0
                        then
                                say_color pass "# passed all $msg"
                        fi
 -                      say "1..$test_count$skip_all"
 +
 +                      # Maybe print SKIP message
 +                      test -z "$skip_all" || skip_all="# SKIP $skip_all"
 +                      case "$test_count" in
 +                      0)
 +                              say "1..$test_count${skip_all:+ $skip_all}"
 +                              ;;
 +                      *)
 +                              test -z "$skip_all" ||
 +                              say_color warn "$skip_all"
 +                              say "1..$test_count"
 +                              ;;
 +                      esac
                fi
  
 -              test -d "$remove_trash" &&
 -              cd "$(dirname "$remove_trash")" &&
 -              rm -rf "$(basename "$remove_trash")"
 +              if test -z "$debug"
 +              then
 +                      test -d "$TRASH_DIRECTORY" ||
 +                      error "Tests passed but trash directory already removed before test cleanup; aborting"
  
 +                      cd "$TRASH_DIRECTORY/.." &&
 +                      rm -fr "$TRASH_DIRECTORY" ||
 +                      error "Tests passed but test cleanup failed; aborting"
 +              fi
                test_at_end_hook_
  
                exit 0 ;;
@@@ -933,6 -918,7 +933,6 @@@ case "$TRASH_DIRECTORY" i
  /*) ;; # absolute path is good
   *) TRASH_DIRECTORY="$TEST_OUTPUT_DIRECTORY/$TRASH_DIRECTORY" ;;
  esac
 -test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
  rm -fr "$TRASH_DIRECTORY" || {
        GIT_EXIT_OK=t
        echo >&5 "FATAL: Cannot prepare test area"
@@@ -980,8 -966,7 +980,8 @@@ yes () 
  }
  
  # Fix some commands on Windows
 -case $(uname -s) in
 +uname_s=$(uname -s)
 +case $uname_s in
  *MINGW*)
        # Windows has its own (incompatible) sort and find
        sort () {
@@@ -990,9 -975,6 +990,6 @@@
        find () {
                /usr/bin/find "$@"
        }
-       sum () {
-               md5sum "$@"
-       }
        # git sees Windows-style pwd
        pwd () {
                builtin pwd -W
@@@ -1022,9 -1004,8 +1019,9 @@@ esa
  
  ( COLUMNS=1 && test $COLUMNS = 1 ) && test_set_prereq COLUMNS_CAN_BE_1
  test -z "$NO_PERL" && test_set_prereq PERL
 +test -z "$NO_PTHREADS" && test_set_prereq PTHREADS
  test -z "$NO_PYTHON" && test_set_prereq PYTHON
 -test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
 +test -n "$USE_LIBPCRE1$USE_LIBPCRE2" && test_set_prereq PCRE
  test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
  
  # Can we rely on git's output in the C locale?
@@@ -1122,10 -1103,6 +1119,10 @@@ test_lazy_prereq NOT_ROOT 
        test "$uid" != 0
  '
  
 +test_lazy_prereq JGIT '
 +      type jgit
 +'
 +
  # SANITY is about "can you correctly predict what the filesystem would
  # do by only looking at the permission bits of the files and
  # directories?"  A typical example of !SANITY is running the test
@@@ -1157,7 -1134,6 +1154,7 @@@ test_lazy_prereq SANITY 
        return $status
  '
  
 +test FreeBSD != $uname_s || GIT_UNZIP=${GIT_UNZIP:-/usr/local/bin/unzip}
  GIT_UNZIP=${GIT_UNZIP:-unzip}
  test_lazy_prereq UNZIP '
        "$GIT_UNZIP" -v
@@@ -1178,6 -1154,3 +1175,6 @@@ build_option () 
  test_lazy_prereq LONG_IS_64BIT '
        test 8 -le "$(build_option sizeof-long)"
  '
 +
 +test_lazy_prereq TIME_IS_64BIT 'test-date is64bit'
 +test_lazy_prereq TIME_T_IS_64BIT 'test-date time_t-is64bit'