217 lines
6.4 KiB
Bash
Executable File
217 lines
6.4 KiB
Bash
Executable File
# Copyright 2019 The Bazel Authors. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# --- begin runfiles.bash initialization ---
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# Copy-pasted from Bazel's Bash runfiles library (tools/bash/runfiles/runfiles.bash).
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set -euo pipefail
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if [[ ! -d "${RUNFILES_DIR:-/dev/null}" && ! -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
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if [[ -f "$0.runfiles_manifest" ]]; then
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export RUNFILES_MANIFEST_FILE="$0.runfiles_manifest"
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elif [[ -f "$0.runfiles/MANIFEST" ]]; then
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export RUNFILES_MANIFEST_FILE="$0.runfiles/MANIFEST"
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elif [[ -f "$0.runfiles/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
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export RUNFILES_DIR="$0.runfiles"
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fi
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fi
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if [[ -f "${RUNFILES_DIR:-/dev/null}/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
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source "${RUNFILES_DIR}/bazel_tools/tools/bash/runfiles/runfiles.bash"
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elif [[ -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
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source "$(grep -m1 "^bazel_tools/tools/bash/runfiles/runfiles.bash " \
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"$RUNFILES_MANIFEST_FILE" | cut -d ' ' -f 2-)"
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else
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echo >&2 "ERROR: cannot find @bazel_tools//tools/bash/runfiles:runfiles.bash"
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exit 1
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fi
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# --- end runfiles.bash initialization ---
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source "$(rlocation bazel_skylib/tests/unittest.bash)" \
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|| { echo "Could not source bazel_skylib/tests/unittest.bash" >&2; exit 1; }
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function import_diff_test() {
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local -r repo="$1"
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mkdir -p "${repo}/rules"
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touch "${repo}/WORKSPACE"
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ln -sf "$(rlocation bazel_skylib/rules/diff_test.bzl)" \
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"${repo}/rules/diff_test.bzl"
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echo "exports_files(['diff_test.bzl'])" > "${repo}/rules/BUILD"
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}
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function assert_simple_diff_test() {
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local -r flag="$1"
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local -r ws="${TEST_TMPDIR}/$2"
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local -r subdir="$3"
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import_diff_test "$ws"
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touch "$ws/WORKSPACE"
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mkdir -p "$ws/$subdir"
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cat >"$ws/${subdir}BUILD" <<'eof'
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load("//rules:diff_test.bzl", "diff_test")
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diff_test(
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name = "same",
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file1 = "a.txt",
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file2 = "a.txt",
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)
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diff_test(
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name = "different",
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file1 = "a.txt",
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file2 = "b.txt",
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)
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eof
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echo foo > "$ws/$subdir/a.txt"
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echo bar > "$ws/$subdir/b.txt"
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(cd "$ws" && \
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bazel test "$flag" "//${subdir%/}:same" --test_output=errors 1>"$TEST_log" 2>&1 \
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|| fail "expected success")
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(cd "$ws" && \
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bazel test "$flag" "//${subdir%/}:different" --test_output=errors 1>"$TEST_log" 2>&1 \
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&& fail "expected failure" || true)
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expect_log "FAIL: files \"${subdir}a.txt\" and \"${subdir}b.txt\" differ"
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}
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function assert_from_ext_repo() {
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local -r flag="$1"
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local -r ws="${TEST_TMPDIR}/$2"
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# Import the rule to an external repository.
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import_diff_test "$ws/bzl"
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mkdir -p "$ws/ext1/foo" "$ws/main/ext1/foo" "$ws/ext2/foo" "$ws/main/ext2/foo"
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cat >"$ws/main/WORKSPACE" <<'eof'
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local_repository(
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name = "bzl",
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path = "../bzl",
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)
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local_repository(
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name = "ext1",
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path = "../ext1",
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)
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local_repository(
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name = "ext2",
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path = "../ext2",
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)
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eof
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# @ext1 has source files
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touch "$ws/ext1/WORKSPACE"
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echo 'exports_files(["foo.txt"])' >"$ws/ext1/foo/BUILD"
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echo 'foo' > "$ws/ext1/foo/foo.txt"
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# @//ext1/foo has different files than @ext1//foo
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echo 'exports_files(["foo.txt"])' >"$ws/main/ext1/foo/BUILD"
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echo 'not foo' > "$ws/main/ext1/foo/foo.txt"
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# @ext2 has generated files
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touch "$ws/ext2/WORKSPACE"
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cat >"$ws/ext2/foo/BUILD" <<'eof'
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genrule(
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name = "gen",
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outs = [
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"foo.txt",
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"bar.txt",
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],
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cmd = "echo 'foo' > $(location foo.txt) && echo 'bar' > $(location bar.txt)",
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visibility = ["//visibility:public"],
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)
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eof
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# @//ext2/foo has different files than @ext2//foo
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cat >"$ws/main/ext2/foo/BUILD" <<'eof'
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genrule(
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name = "gen",
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outs = ["foo.txt"],
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cmd = "echo 'not foo' > $@",
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visibility = ["//visibility:public"],
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)
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eof
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cat >"$ws/main/BUILD" <<'eof'
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load("@bzl//rules:diff_test.bzl", "diff_test")
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diff_test(
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name = "same",
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file1 = "@ext1//foo:foo.txt",
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file2 = "@ext2//foo:foo.txt",
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)
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diff_test(
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name = "different1",
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file1 = "@ext1//foo:foo.txt",
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file2 = "@ext2//foo:bar.txt",
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)
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diff_test(
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name = "different2",
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file1 = "@ext1//foo:foo.txt",
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file2 = "//ext1/foo:foo.txt",
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)
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diff_test(
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name = "different3",
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file1 = "//ext2/foo:foo.txt",
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file2 = "@ext2//foo:foo.txt",
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)
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eof
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(cd "$ws/main" && \
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bazel test "$flag" //:same --test_output=errors 1>"$TEST_log" 2>&1 \
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|| fail "expected success")
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(cd "$ws/main" && \
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bazel test "$flag" //:different1 --test_output=errors 1>"$TEST_log" 2>&1 \
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&& fail "expected failure" || true)
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expect_log 'FAIL: files "external/ext1/foo/foo.txt" and "external/ext2/foo/bar.txt" differ'
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(cd "$ws/main" && \
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bazel test "$flag" //:different2 --test_output=errors 1>"$TEST_log" 2>&1 \
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&& fail "expected failure" || true)
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expect_log 'FAIL: files "external/ext1/foo/foo.txt" and "ext1/foo/foo.txt" differ'
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(cd "$ws/main" && \
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bazel test "$flag" //:different3 --test_output=errors 1>"$TEST_log" 2>&1 \
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&& fail "expected failure" || true)
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expect_log 'FAIL: files "ext2/foo/foo.txt" and "external/ext2/foo/foo.txt" differ'
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}
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function test_simple_diff_test_with_legacy_external_runfiles() {
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assert_simple_diff_test "--legacy_external_runfiles" "${FUNCNAME[0]}" ""
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}
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function test_simple_diff_test_without_legacy_external_runfiles() {
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assert_simple_diff_test "--nolegacy_external_runfiles" "${FUNCNAME[0]}" ""
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}
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function test_directory_named_external_with_legacy_external_runfiles() {
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assert_simple_diff_test "--legacy_external_runfiles" "${FUNCNAME[0]}" "path/to/direcotry/external/in/name/"
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}
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function test_directory_named_external_without_legacy_external_runfiles() {
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assert_simple_diff_test "--nolegacy_external_runfiles" "${FUNCNAME[0]}" "path/to/direcotry/external/in/name/"
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}
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function test_from_ext_repo_with_legacy_external_runfiles() {
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assert_from_ext_repo "--legacy_external_runfiles" "${FUNCNAME[0]}"
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}
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function test_from_ext_repo_without_legacy_external_runfiles() {
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assert_from_ext_repo "--nolegacy_external_runfiles" "${FUNCNAME[0]}"
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}
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cd "$TEST_TMPDIR"
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run_suite "diff_test_tests test suite"
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