Windows,tests: port rc_options_test

//src/test/shell/integration:rc_options_test
now runs on Windows.

See https://github.com/bazelbuild/bazel/issues/4292

Change-Id: I1fe42e1477e9ebfb94ccfb896de4af5a72e3bb61

Closes #5873.

Change-Id: I1fe42e1477e9ebfb94ccfb896de4af5a72e3bb61
PiperOrigin-RevId: 208479907

2 files changed, 54 insertions, 14 deletions

diff --git a/src/test/shell/integration/BUILD b/src/test/shell/integration/BUILD
index d9c867d1cc..4717180d16 100644
--- a/src/test/shell/integration/BUILD
+++ b/src/test/shell/integration/BUILD
@@ -260,8 +260,10 @@ sh_test(
     name = "rc_options_test",
     size = "medium",
     srcs = ["rc_options_test.sh"],
-    data = [":test-deps"],
-    tags = ["no_windows"],
+    data = [
+        ":test-deps",
+        "@bazel_tools//tools/bash/runfiles",
+    ],
 )
 
 sh_test(
diff --git a/src/test/shell/integration/rc_options_test.sh b/src/test/shell/integration/rc_options_test.sh
index 6909e3da7d..e6f7e71cb0 100755
--- a/src/test/shell/integration/rc_options_test.sh
+++ b/src/test/shell/integration/rc_options_test.sh
@@ -16,26 +16,60 @@
 #
 # An end-to-end test for Bazel's option handling
 
-# Load the test setup defined in the parent directory
-CURRENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-source "${CURRENT_DIR}/../integration_test_setup.sh" \
+# --- begin runfiles.bash initialization ---
+# Copy-pasted from Bazel's Bash runfiles library (tools/bash/runfiles/runfiles.bash).
+set -euo pipefail
+if [[ ! -d "${RUNFILES_DIR:-/dev/null}" && ! -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
+  if [[ -f "$0.runfiles_manifest" ]]; then
+    export RUNFILES_MANIFEST_FILE="$0.runfiles_manifest"
+  elif [[ -f "$0.runfiles/MANIFEST" ]]; then
+    export RUNFILES_MANIFEST_FILE="$0.runfiles/MANIFEST"
+  elif [[ -f "$0.runfiles/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
+    export RUNFILES_DIR="$0.runfiles"
+  fi
+fi
+if [[ -f "${RUNFILES_DIR:-/dev/null}/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
+  source "${RUNFILES_DIR}/bazel_tools/tools/bash/runfiles/runfiles.bash"
+elif [[ -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
+  source "$(grep -m1 "^bazel_tools/tools/bash/runfiles/runfiles.bash " \
+            "$RUNFILES_MANIFEST_FILE" | cut -d ' ' -f 2-)"
+else
+  echo >&2 "ERROR: cannot find @bazel_tools//tools/bash/runfiles:runfiles.bash"
+  exit 1
+fi
+# --- end runfiles.bash initialization ---
+
+source "$(rlocation "io_bazel/src/test/shell/integration_test_setup.sh")" \
   || { echo "integration_test_setup.sh not found!" >&2; exit 1; }
 
-#### SETUP #############################################################
+case "$(uname -s | tr [:upper:] [:lower:])" in
+msys*|mingw*|cygwin*)
+  declare -r is_windows=true
+  ;;
+*)
+  declare -r is_windows=false
+  ;;
+esac
 
-set -e
+if "$is_windows"; then
+  export MSYS_NO_PATHCONV=1
+  export MSYS2_ARG_CONV_EXCL="*"
+fi
+
+#### SETUP #############################################################
 
 add_to_bazelrc "build --terminal_columns=6"
 
-function set_up() {
-  mkdir -p pkg
+function create_pkg() {
+  local -r pkg=$1
+  mkdir -p $pkg
   # have test with a long name, to be able to test line breaking in the output
-  cat > pkg/xxxxxxxxxxxxxxxxxxxxxxxxxtrue.sh <<EOF
+  cat > $pkg/xxxxxxxxxxxxxxxxxxxxxxxxxtrue.sh <<EOF
 #!/bin/sh
 exit 0
 EOF
-  chmod 755 pkg/xxxxxxxxxxxxxxxxxxxxxxxxxtrue.sh
-  cat > pkg/BUILD <<EOF
+  chmod 755 $pkg/xxxxxxxxxxxxxxxxxxxxxxxxxtrue.sh
+  cat > $pkg/BUILD <<EOF
 sh_test(
   name = "xxxxxxxxxxxxxxxxxxxxxxxxxtrue",
   srcs = ["xxxxxxxxxxxxxxxxxxxxxxxxxtrue.sh"],
@@ -46,8 +80,10 @@ EOF
 #### TESTS #############################################################
 
 function test_terminal_columns_honored() {
+  local -r pkg=$FUNCNAME
+  create_pkg $pkg
   bazel test --curses=yes --color=yes --nocache_test_results \
-      pkg:xxxxxxxxxxxxxxxxxxxxxxxxxtrue \
+      $pkg:xxxxxxxxxxxxxxxxxxxxxxxxxtrue \
       2>$TEST_log || fail "bazel test failed"
   # the lines are wrapped to 6 characters
   expect_log '^xxxx'
@@ -55,9 +91,11 @@ function test_terminal_columns_honored() {
 }
 
 function test_options_override() {
+  local -r pkg=$FUNCNAME
+  create_pkg $pkg
   bazel test --curses=yes --color=yes --terminal_columns=10 \
       --nocache_test_results \
-      pkg:xxxxxxxxxxxxxxxxxxxxxxxxxtrue 2>$TEST_log || fail "bazel test failed"
+      $pkg:xxxxxxxxxxxxxxxxxxxxxxxxxtrue 2>$TEST_log || fail "bazel test failed"
   # the lines are wrapped to 10 characters
   expect_log '^xxxxxxxx'
   expect_not_log '^xxxxxxxxxxx'