Merge branch 'mg/diff-stat-count'

diff --git a/t/test-lib.sh b/t/test-lib.sh
index aca03d2db0eaf2411c01f58554ec0075da491ea7..df25f1792923a65aab2c4ce88e7b528effb381f5 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -89,6 +89,9 @@ esac
 _x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
 _x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
 
+# Zero SHA-1
+_z40=0000000000000000000000000000000000000000
+
 # Each test should start with something like this, after copyright notices:
 #
 # test_description='Description of this test...
@@ -443,9 +446,14 @@ test_debug () {
 
 test_run_ () {
        test_cleanup=:
+       expecting_failure=$2
        eval >&3 2>&4 "$1"
        eval_ret=$?
-       eval >&3 2>&4 "$test_cleanup"
+
+       if test -z "$immediate" || test $eval_ret = 0 || test -n "$expecting_failure"
+       then
+               eval >&3 2>&4 "$test_cleanup"
+       fi
        if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"; then
                echo ""
        fi
@@ -494,7 +502,7 @@ test_expect_failure () {
        if ! test_skip "$@"
        then
                say >&3 "checking known breakage: $2"
-               test_run_ "$2"
+               test_run_ "$2" expecting_failure
                if [ "$?" = 0 -a "$eval_ret" = 0 ]
                then
                        test_known_broken_ok_ "$1"
@@ -728,12 +736,11 @@ test_expect_code () {
        exit_code=$?
        if test $exit_code = $want_code
        then
-               echo >&2 "test_expect_code: command exited with $exit_code: $*"
                return 0
-       else
-               echo >&2 "test_expect_code: command exited with $exit_code, we wanted $want_code $*"
-               return 1
        fi
+
+       echo >&2 "test_expect_code: command exited with $exit_code, we wanted $want_code $*"
+       return 1
 }
 
 # test_cmp is a helper function to compare actual and expected output.
@@ -772,6 +779,9 @@ test_cmp() {
 #
 # except that the greeting and config --unset must both succeed for
 # the test to pass.
+#
+# Note that under --immediate mode, no clean-up is done to help diagnose
+# what went wrong.
 
 test_when_finished () {
        test_cleanup="{ $*
@@ -882,8 +892,13 @@ then
        }
 
        make_valgrind_symlink () {
-               # handle only executables
-               test -x "$1" || return
+               # handle only executables, unless they are shell libraries that
+               # need to be in the exec-path.  We will just use "#!" as a
+               # guess for a shell-script, since we have no idea what the user
+               # may have configured as the shell path.
+               test -x "$1" ||
+               test "#!" = "$(head -c 2 <"$1")" ||
+               return;
 
                base=$(basename "$1")
                symlink_target=$GIT_BUILD_DIR/$base
@@ -1069,6 +1084,7 @@ esac
 
 test -z "$NO_PERL" && test_set_prereq PERL
 test -z "$NO_PYTHON" && test_set_prereq PYTHON
+test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
 
 # Can we rely on git's output in the C locale?
 if test -n "$GETTEXT_POISON"
@@ -1079,6 +1095,32 @@ else
        test_set_prereq C_LOCALE_OUTPUT
 fi
 
+# Use this instead of test_cmp to compare files that contain expected and
+# actual output from git commands that can be translated.  When running
+# under GETTEXT_POISON this pretends that the command produced expected
+# results.
+test_i18ncmp () {
+       test -n "$GETTEXT_POISON" || test_cmp "$@"
+}
+
+# Use this instead of "grep expected-string actual" to see if the
+# output from a git command that can be translated either contains an
+# expected string, or does not contain an unwanted one.  When running
+# under GETTEXT_POISON this pretends that the command produced expected
+# results.
+test_i18ngrep () {
+       if test -n "$GETTEXT_POISON"
+       then
+           : # pretend success
+       elif test "x!" = "x$1"
+       then
+               shift
+               ! grep "$@"
+       else
+               grep "$@"
+       fi
+}
+
 # test whether the filesystem supports symbolic links
 ln -s x y 2>/dev/null && test -h y 2>/dev/null && test_set_prereq SYMLINKS
 rm -f y