status: add advice on how to push/pull to tracking branch

diff --git a/t/test-lib.sh b/t/test-lib.sh
index f8e3733ea06478d4eccb483ef6c2e6b196bde02f..514282cbdfde7e661dcf17c0e1388c3c03a8d287 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -15,22 +15,6 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see http://www.gnu.org/licenses/ .
 
-# if --tee was passed, write the output not only to the terminal, but
-# additionally to the file test-results/$BASENAME.out, too.
-case "$GIT_TEST_TEE_STARTED, $* " in
-done,*)
-       # do not redirect again
-       ;;
-*' --tee '*|*' --va'*)
-       mkdir -p test-results
-       BASE=test-results/$(basename "$0" .sh)
-       (GIT_TEST_TEE_STARTED=done ${SHELL-sh} "$0" "$@" 2>&1;
-        echo $? > $BASE.exit) | tee $BASE.out
-       test "$(cat $BASE.exit)" = 0
-       exit
-       ;;
-esac
-
 # Keep the original TERM for say_color
 ORIGINAL_TERM=$TERM
 
@@ -51,9 +35,34 @@ then
 fi
 GIT_BUILD_DIR="$TEST_DIRECTORY"/..
 
+################################################################
+# It appears that people try to run tests without building...
+"$GIT_BUILD_DIR/git" >/dev/null
+if test $? != 1
+then
+       echo >&2 'error: you do not seem to have built git yet.'
+       exit 1
+fi
+
 . "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
 export PERL_PATH SHELL_PATH
 
+# if --tee was passed, write the output not only to the terminal, but
+# additionally to the file test-results/$BASENAME.out, too.
+case "$GIT_TEST_TEE_STARTED, $* " in
+done,*)
+       # do not redirect again
+       ;;
+*' --tee '*|*' --va'*)
+       mkdir -p test-results
+       BASE=test-results/$(basename "$0" .sh)
+       (GIT_TEST_TEE_STARTED=done ${SHELL_PATH} "$0" "$@" 2>&1;
+        echo $? > $BASE.exit) | tee $BASE.out
+       test "$(cat $BASE.exit)" = 0
+       exit
+       ;;
+esac
+
 # For repeatability, reset the environment to known value.
 LANG=C
 LC_ALL=C
@@ -93,6 +102,27 @@ export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
 export EDITOR
 
+# Add libc MALLOC and MALLOC_PERTURB test
+# only if we are not executing the test with valgrind
+if expr " $GIT_TEST_OPTS " : ".* --valgrind " >/dev/null ||
+   test -n "$TEST_NO_MALLOC_CHECK"
+then
+       setup_malloc_check () {
+               : nothing
+       }
+       teardown_malloc_check () {
+               : nothing
+       }
+else
+       setup_malloc_check () {
+               MALLOC_CHECK_=3 MALLOC_PERTURB_=165
+               export MALLOC_CHECK_ MALLOC_PERTURB_
+       }
+       teardown_malloc_check () {
+               unset MALLOC_CHECK_ MALLOC_PERTURB_
+       }
+fi
+
 # Protect ourselves from common misconfiguration to export
 # CDPATH into the environment
 unset CDPATH
@@ -302,7 +332,9 @@ test_run_ () {
 
        if test -z "$immediate" || test $eval_ret = 0 || test -n "$expecting_failure"
        then
+               setup_malloc_check
                test_eval_ "$test_cleanup"
+               teardown_malloc_check
        fi
        if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"
        then