# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
+# Environment variables that control run.bash:
+#
+# GO_TEST_SHARDS: number of "dist test" test shards that the
+# $GOROOT/test directory will be sliced up into for parallel
+# execution. Defaults to 1, unless GO_BUILDER_NAME is also specified,
+# in which case it defaults to 10.
+#
+# GO_BUILDER_NAME: the name of the Go builder that's running the tests.
+# Some tests are conditionally enabled or disabled based on the builder
+# name or the builder name being non-empty.
+#
+# GO_TEST_SHORT: if set to a non-empty, false-ish string, run tests in "-short=false" mode.
+# This environment variable is an internal implementation detail between the
+# Go build system (x/build) and cmd/dist for the purpose of longtest builders,
+# and will be removed if it stops being needed. See go.dev/issue/12508.
+#
+# GO_TEST_TIMEOUT_SCALE: a non-negative integer factor to scale test timeout by.
+# Defaults to 1.
+
set -e
-eval $(go env)
-export GOROOT # the api test requires GOROOT to be set.
+if [ ! -f ../bin/go ]; then
+ echo 'run.bash must be run from $GOROOT/src after installing cmd/go' 1>&2
+ exit 1
+fi
+
+export GOENV=off
+eval $(../bin/go tool dist env)
unset CDPATH # in case user has it set
-unset GOPATH # we disallow local import for non-local packages, if $GOROOT happens
- # to be under $GOPATH, then some tests below will fail
+
+export GOHOSTOS
+export CC
# no core files, please
ulimit -c 0
# non-root process is allowed to set the high limit.
# This is a system misconfiguration and should be fixed on the
# broken system, not "fixed" by ignoring the failure here.
-# See longer discussion on golang.org/issue/7381.
-[ "$(ulimit -H -n)" == "unlimited" ] || ulimit -S -n $(ulimit -H -n)
-[ "$(ulimit -H -d)" == "unlimited" ] || ulimit -S -d $(ulimit -H -d)
+# See longer discussion on golang.org/issue/7381.
+[ "$(ulimit -H -n)" = "unlimited" ] || ulimit -S -n $(ulimit -H -n)
+[ "$(ulimit -H -d)" = "unlimited" ] || ulimit -S -d $(ulimit -H -d)
# Thread count limit on NetBSD 7.
if ulimit -T &> /dev/null; then
- [ "$(ulimit -H -T)" == "unlimited" ] || ulimit -S -T $(ulimit -H -T)
-fi
-
-# allow all.bash to avoid double-build of everything
-rebuild=true
-if [ "$1" == "--no-rebuild" ]; then
- shift
-else
- echo '##### Building packages and commands.'
- time go install -a -v std cmd
- echo
+ [ "$(ulimit -H -T)" = "unlimited" ] || ulimit -S -T $(ulimit -H -T)
fi
-# we must unset GOROOT_FINAL before tests, because runtime/debug requires
-# correct access to source code, so if we have GOROOT_FINAL in effect,
-# at least runtime/debug test will fail.
-unset GOROOT_FINAL
-
-# TODO(adg): create an environment variable and to permit the builders to
-# specify the timeout scale.
-timeout_scale=1
-# the freebsd-* builders are slow, and there's no easy way to make them faster.
-[ "$GOOS" == "freebsd" ] && timeout_scale=2
-# increase timeout for ARM up to 3 times the normal value
-[ "$GOARCH" == "arm" ] && timeout_scale=3
-
-echo '##### Testing packages.'
-time go test std cmd -short -timeout=$(expr 120 \* $timeout_scale)s -gcflags "$GO_GCFLAGS"
-echo
-
-# We set GOMAXPROCS=2 in addition to -cpu=1,2,4 in order to test runtime bootstrap code,
-# creation of first goroutines and first garbage collections in the parallel setting.
-echo '##### GOMAXPROCS=2 runtime -cpu=1,2,4'
-GOMAXPROCS=2 go test runtime -short -timeout=$(expr 300 \* $timeout_scale)s -cpu=1,2,4
-echo
-
-echo '##### sync -cpu=10'
-go test sync -short -timeout=$(expr 120 \* $timeout_scale)s -cpu=10
-
-xcd() {
- echo
- echo '#####' $1
- builtin cd "$GOROOT"/src/$1 || exit 1
-}
-
-# NOTE: "set -e" cannot help us in subshells. It works until you test it with ||.
-#
-# $ bash --version
-# GNU bash, version 3.2.48(1)-release (x86_64-apple-darwin12)
-# Copyright (C) 2007 Free Software Foundation, Inc.
-#
-# $ set -e; (set -e; false; echo still here); echo subshell exit status $?
-# subshell exit status 1
-# # subshell stopped early, set exit status, but outer set -e didn't stop.
-#
-# $ set -e; (set -e; false; echo still here) || echo stopped
-# still here
-# # somehow the '|| echo stopped' broke the inner set -e.
-#
-# To avoid this bug, every command in a subshell should have '|| exit 1' on it.
-# Strictly speaking, the test may be unnecessary on the final command of
-# the subshell, but it aids later editing and may avoid future bash bugs.
-
-if [ "$GOOS" == "android" ]; then
- # Disable cgo tests on android.
- # They are not designed to run off the host.
- # golang.org/issue/8345
- CGO_ENABLED=0
-fi
-
-[ "$CGO_ENABLED" != 1 ] ||
-[ "$GOHOSTOS" == windows ] ||
-(xcd ../misc/cgo/stdio
-go run $GOROOT/test/run.go - . || exit 1
-) || exit $?
-
-[ "$CGO_ENABLED" != 1 ] ||
-(xcd ../misc/cgo/life
-go run $GOROOT/test/run.go - . || exit 1
-) || exit $?
-
-[ "$CGO_ENABLED" != 1 ] ||
-(xcd ../misc/cgo/test
-# cgo tests inspect the traceback for runtime functions
-extlink=0
-export GOTRACEBACK=2
-go test -ldflags '-linkmode=auto' || exit 1
-# linkmode=internal fails on dragonfly since errno is a TLS relocation.
-[ "$GOHOSTOS" == dragonfly ] || go test -ldflags '-linkmode=internal' || exit 1
-# TODO(austin): Add linux-ppc64(le) once external linking works (issue #8912)
-case "$GOHOSTOS-$GOARCH" in
-openbsd-386 | openbsd-amd64)
- # test linkmode=external, but __thread not supported, so skip testtls.
- go test -ldflags '-linkmode=external' || exit 1
- extlink=1
- ;;
-darwin-386 | darwin-amd64)
- # linkmode=external fails on OS X 10.6 and earlier == Darwin
- # 10.8 and earlier.
- case $(uname -r) in
- [0-9].* | 10.*) ;;
- *)
- go test -ldflags '-linkmode=external' || exit 1
- extlink=1
- ;;
- esac
- ;;
-android-arm | dragonfly-386 | dragonfly-amd64 | freebsd-386 | freebsd-amd64 | freebsd-arm | linux-386 | linux-amd64 | linux-arm | netbsd-386 | netbsd-amd64)
- go test -ldflags '-linkmode=external' || exit 1
- go test -ldflags '-linkmode=auto' ../testtls || exit 1
- go test -ldflags '-linkmode=external' ../testtls || exit 1
- extlink=1
-
- case "$GOHOSTOS-$GOARCH" in
- netbsd-386 | netbsd-amd64) ;; # no static linking
- freebsd-arm) ;; # -fPIC compiled tls code will use __tls_get_addr instead
- # of __aeabi_read_tp, however, on FreeBSD/ARM, __tls_get_addr
- # is implemented in rtld-elf, so -fPIC isn't compatible with
- # static linking on FreeBSD/ARM with clang. (cgo depends on
- # -fPIC fundamentally.)
- *)
- if ! $CC -xc -o /dev/null -static - 2>/dev/null <<<'int main() {}' ; then
- echo "No support for static linking found (lacks libc.a?), skip cgo static linking test."
- else
- go test -ldflags '-linkmode=external -extldflags "-static -pthread"' ../testtls || exit 1
- go test ../nocgo || exit 1
- go test -ldflags '-linkmode=external' ../nocgo || exit 1
- go test -ldflags '-linkmode=external -extldflags "-static -pthread"' ../nocgo || exit 1
- fi
- ;;
- esac
- ;;
-esac
-) || exit $?
-
-# Race detector only supported on Linux, FreeBSD and OS X,
-# and only on amd64, and only when cgo is enabled.
-# Delayed until here so we know whether to try external linking.
-case "$GOHOSTOS-$GOOS-$GOARCH-$CGO_ENABLED" in
-linux-linux-amd64-1 | freebsd-freebsd-amd64-1 | darwin-darwin-amd64-1)
- echo
- echo '##### Testing race detector.'
- go test -race -i runtime/race flag os/exec
- go test -race -run=Output runtime/race
- go test -race -short flag os/exec
-
- # Test with external linking; see issue 9133.
- if [ "$extlink" = 1 ]; then
- go test -race -short -ldflags=-linkmode=external flag os/exec
- fi
-esac
-
-[ "$CGO_ENABLED" != 1 ] || [ "$GOOS" == darwin ] ||
-(xcd ../misc/cgo/testgodefs
-./test.bash || exit 1
-) || exit $?
-
-[ "$CGO_ENABLED" != 1 ] ||
-[ "$GOHOSTOS" == windows ] ||
-(xcd ../misc/cgo/testso
-./test.bash || exit 1
-) || exit $?
-
-[ "$CGO_ENABLED" != 1 ] ||
-[ "$GOHOSTOS-$GOARCH" != linux-amd64 ] ||
-(xcd ../misc/cgo/testasan
-go run main.go || exit 1
-) || exit $?
-
-[ "$CGO_ENABLED" != 1 ] ||
-[ "$GOHOSTOS" == windows ] ||
-(xcd ../misc/cgo/errors
-./test.bash || exit 1
-) || exit $?
-
-[ "$GOOS" == nacl ] ||
-[ "$GOOS" == android ] ||
-(xcd ../doc/progs
-time ./run || exit 1
-) || exit $?
-
-[ "$GOOS" == android ] ||
-[ "$GOOS" == nacl ] ||
-[ "$GOARCH" == arm ] || # uses network, fails under QEMU
-(xcd ../doc/articles/wiki
-./test.bash || exit 1
-) || exit $?
-
-[ "$GOOS" == android ] ||
-[ "$GOOS" == nacl ] ||
-(xcd ../doc/codewalk
-time ./run || exit 1
-) || exit $?
-
-[ "$GOOS" == nacl ] ||
-[ "$GOARCH" == arm ] ||
-(xcd ../test/bench/shootout
-time ./timing.sh -test || exit 1
-) || exit $?
-
-[ "$GOOS" == android ] || # TODO(crawshaw): get this working
-[ "$GOOS" == openbsd ] || # golang.org/issue/5057
-(
-echo
-echo '#####' ../test/bench/go1
-go test ../test/bench/go1 || exit 1
-) || exit $?
-
-[ "$GOOS" == android ] ||
-(xcd ../test
-unset GOMAXPROCS
-GOOS=$GOHOSTOS GOARCH=$GOHOSTARCH go build -o runtest run.go || exit 1
-time ./runtest || exit 1
-rm -f runtest
-) || exit $?
-
-[ "$GOOS" == android ] ||
-[ "$GOOS" == nacl ] ||
-(
-echo
-time go run $GOROOT/src/cmd/api/run.go || exit 1
-) || exit $?
-
-echo
-echo ALL TESTS PASSED
+export GOPATH=/nonexist-gopath
+exec ../bin/go tool dist test -rebuild "$@"