Add a Bazel test testing determinism of `bazel build //src:bazel`
- Test if hash(bazel1) == hash(bazel2)
This ensure that the build of bazel is a fixed point.
Change-Id: I422dfc7ec5b95aa054a2677e59427cbd8cd4ef01
PiperOrigin-RevId: 166180529
diff --git a/compile.sh b/compile.sh
index b5a325e..e481690 100755
--- a/compile.sh
+++ b/compile.sh
@@ -53,12 +53,11 @@
function usage() {
[ -n "${1:-compile}" ] && echo "Invalid command(s): $1" >&2
- echo "syntax: $0 [command[,command]* [BAZEL_BIN [BAZEL_SUM]]]" >&2
+ echo "syntax: $0 [command[,command]* [BAZEL_BIN]]" >&2
echo " General purpose commands:" >&2
echo " compile = compile the bazel binary (default)" >&2
echo " Commands for developers:" >&2
- echo " all = compile,determinism,test" >&2
- echo " determinism = test for stability of Bazel builds" >&2
+ echo " all = compile,srcs,test" >&2
echo " srcs = test that //:srcs contains all the sources" >&2
echo " test = run the full test suite of Bazel" >&2
exit 1
@@ -69,18 +68,13 @@
COMMANDS="${1:-compile}"
[[ "${COMMANDS}" =~ ^$keywords(,$keywords)*$ ]] || usage "$@"
DO_COMPILE=
- DO_CHECKSUM=
- DO_FULL_CHECKSUM=1
DO_TESTS=
DO_SRCS_TEST=
[[ "${COMMANDS}" =~ (compile|all) ]] && DO_COMPILE=1
- [[ "${COMMANDS}" =~ (bootstrap|determinism|all) ]] && DO_CHECKSUM=1
- [[ "${COMMANDS}" =~ (bootstrap) ]] && DO_FULL_CHECKSUM=
[[ "${COMMANDS}" =~ (srcs|all) ]] && DO_SRCS_TEST=1
[[ "${COMMANDS}" =~ (test|all) ]] && DO_TESTS=1
BAZEL_BIN=${2:-"bazel-bin/src/bazel"}
- BAZEL_SUM=${3:-"x"}
}
parse_options "${@}"
@@ -132,31 +126,6 @@
fi
#
-# Output is deterministic between two bootstrapped bazel binary using the actual tools and the
-# released binary.
-#
-if [ $DO_CHECKSUM ]; then
- new_step "Determinism test"
- if [ ! -f ${BAZEL_SUM:-x} ]; then
- BAZEL_SUM=bazel-out/bazel_checksum
- log "First build"
- bootstrap_test ${BAZEL} ${BAZEL_SUM}
- else
- BOOTSTRAP=${BAZEL}
- fi
- if [ "${BAZEL_SUM}" != "${OUTPUT_DIR}/bazel_checksum" ]; then
- cp ${BAZEL_SUM} ${OUTPUT_DIR}/bazel_checksum
- fi
- if [ $DO_FULL_CHECKSUM ]; then
- log "Second build"
- bootstrap_test ${BOOTSTRAP} bazel-out/bazel_checksum
- log "Comparing output"
- (diff -U 0 ${OUTPUT_DIR}/bazel_checksum bazel-out/bazel_checksum >&2) \
- || fail "Differences detected in outputs!"
- fi
-fi
-
-#
# Test that //:srcs contains all the sources
#
if [ $DO_SRCS_TEST ]; then
