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-rw-r--r--t/test-lib.sh68
1 files changed, 58 insertions, 10 deletions
diff --git a/t/test-lib.sh b/t/test-lib.sh
index e4716b0b86..515b1af7ed 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -19,13 +19,20 @@
# t/ subdirectory and are run in 'trash directory' subdirectory.
if test -z "$TEST_DIRECTORY"
then
- # We allow tests to override this, in case they want to run tests
- # outside of t/, e.g. for running tests on the test library
- # itself.
- TEST_DIRECTORY=$(pwd)
-else
# ensure that TEST_DIRECTORY is an absolute path so that it
# is valid even if the current working directory is changed
+ TEST_DIRECTORY=$(pwd)
+else
+ # The TEST_DIRECTORY will always be the path to the "t"
+ # directory in the git.git checkout. This is overridden by
+ # e.g. t/lib-subtest.sh, but only because its $(pwd) is
+ # different. Those tests still set "$TEST_DIRECTORY" to the
+ # same path.
+ #
+ # See use of "$GIT_BUILD_DIR" and "$TEST_DIRECTORY" below for
+ # hard assumptions about "$GIT_BUILD_DIR/t" existing and being
+ # the "$TEST_DIRECTORY", and e.g. "$TEST_DIRECTORY/helper"
+ # needing to exist.
TEST_DIRECTORY=$(cd "$TEST_DIRECTORY" && pwd) || exit 1
fi
if test -z "$TEST_OUTPUT_DIRECTORY"
@@ -34,19 +41,42 @@ then
# elsewhere
TEST_OUTPUT_DIRECTORY=$TEST_DIRECTORY
fi
-GIT_BUILD_DIR="$TEST_DIRECTORY"/..
+GIT_BUILD_DIR="${TEST_DIRECTORY%/t}"
+if test "$TEST_DIRECTORY" = "$GIT_BUILD_DIR"
+then
+ echo "PANIC: Running in a $TEST_DIRECTORY that doesn't end in '/t'?" >&2
+ exit 1
+fi
+
+# Prepend a string to a VAR using an arbitrary ":" delimiter, not
+# adding the delimiter if VAR or VALUE is empty. I.e. a generalized:
+#
+# VAR=$1${VAR:+${1:+$2}$VAR}
+#
+# Usage (using ":" as the $2 delimiter):
+#
+# prepend_var VAR : VALUE
+prepend_var () {
+ eval "$1=$3\${$1:+${3:+$2}\$$1}"
+}
+
+# If [AL]SAN is in effect we want to abort so that we notice
+# problems. The GIT_SAN_OPTIONS variable can be used to set common
+# defaults shared between [AL]SAN_OPTIONS.
+prepend_var GIT_SAN_OPTIONS : abort_on_error=1
+prepend_var GIT_SAN_OPTIONS : strip_path_prefix=\"$GIT_BUILD_DIR/\"
# 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}
+prepend_var ASAN_OPTIONS : $GIT_SAN_OPTIONS
+prepend_var ASAN_OPTIONS : detect_leaks=0
export ASAN_OPTIONS
-# If LSAN is in effect we _do_ want leak checking, but we still
-# want to abort so that we notice the problems.
-: ${LSAN_OPTIONS=abort_on_error=1}
+prepend_var LSAN_OPTIONS : $GIT_SAN_OPTIONS
+prepend_var LSAN_OPTIONS : fast_unwind_on_malloc=0
export LSAN_OPTIONS
if test ! -f "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
@@ -518,11 +548,29 @@ then
}
else
setup_malloc_check () {
+ local g
+ local t
MALLOC_CHECK_=3 MALLOC_PERTURB_=165
export MALLOC_CHECK_ MALLOC_PERTURB_
+ if _GLIBC_VERSION=$(getconf GNU_LIBC_VERSION 2>/dev/null) &&
+ _GLIBC_VERSION=${_GLIBC_VERSION#"glibc "} &&
+ expr 2.34 \<= "$_GLIBC_VERSION" >/dev/null
+ then
+ g=
+ LD_PRELOAD="libc_malloc_debug.so.0"
+ for t in \
+ glibc.malloc.check=1 \
+ glibc.malloc.perturb=165
+ do
+ g="${g#:}:$t"
+ done
+ GLIBC_TUNABLES=$g
+ export LD_PRELOAD GLIBC_TUNABLES
+ fi
}
teardown_malloc_check () {
unset MALLOC_CHECK_ MALLOC_PERTURB_
+ unset LD_PRELOAD GLIBC_TUNABLES
}
fi