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-rw-r--r--t/README10
-rw-r--r--t/test-lib.sh16
2 files changed, 26 insertions, 0 deletions
diff --git a/t/README b/t/README
index d5bb0c9..35438bc 100644
--- a/t/README
+++ b/t/README
@@ -168,6 +168,16 @@ appropriately before running "make".
Using this option with a RAM-based filesystem (such as tmpfs)
can massively speed up the test suite.
+--chain-lint::
+--no-chain-lint::
+ If --chain-lint is enabled, the test harness will check each
+ test to make sure that it properly "&&-chains" all commands (so
+ that a failure in the middle does not go unnoticed by the final
+ exit code of the test). This check is performed in addition to
+ running the tests themselves. You may also enable or disable
+ this feature by setting the GIT_TEST_CHAIN_LINT environment
+ variable to "1" or "0", respectively.
+
You can also set the GIT_TEST_INSTALLED environment variable to
the bindir of an existing git installation to test that installation.
You still need to have built this git sandbox, from which various
diff --git a/t/test-lib.sh b/t/test-lib.sh
index c096778..50b3d3f 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -232,6 +232,12 @@ do
--root=*)
root=$(expr "z$1" : 'z[^=]*=\(.*\)')
shift ;;
+ --chain-lint)
+ GIT_TEST_CHAIN_LINT=1
+ shift ;;
+ --no-chain-lint)
+ GIT_TEST_CHAIN_LINT=0
+ shift ;;
-x)
trace=t
verbose=t
@@ -524,6 +530,16 @@ test_eval_ () {
test_run_ () {
test_cleanup=:
expecting_failure=$2
+
+ if test "${GIT_TEST_CHAIN_LINT:-0}" != 0; then
+ # 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"
+ fi
+ fi
+
setup_malloc_check
test_eval_ "$1"
eval_ret=$?