fix(examples): fix jest example on windows

Fixes bazelbuild#1454

common.bazelrc

@@ -61,6 +61,11 @@ build:debug --compilation_mode=dbg
 # This prevents accidentally depending on this feature, which Bazel will remove.
 build --nolegacy_external_runfiles
 
+# Do not build runfile forests by default. If an execution strategy relies on runfile
+# forests, the forest is created on-demand. See: https://github.com/bazelbuild/bazel/issues/6627
+# and https://github.com/bazelbuild/bazel/commit/03246077f948f2790a83520e7dccc2625650e6df
+build --nobuild_runfile_links
+
 # Turn on --incompatible_strict_action_env which was on by default
 # in Bazel 0.21.0 but turned off again in 0.22.0. Follow
 # https://github.com/bazelbuild/bazel/issues/7026 for more details.

examples/jest/BUILD.bazel

@@ -11,10 +11,6 @@ jest_test(
     ] + glob(["__snapshots__/*.snap"]),
     jest_config = ":jest.config.js",
     tags = [
-        # Need to set the pwd to avoid jest needing a runfiles helper
-        # Windows users with permissions can use --enable_runfiles
-        # to make this test work
-        "no-bazelci-windows",
         # TODO: why does this fail almost all the time, but pass on local Mac?
         "no-bazelci-mac",
     ],

internal/node/launcher.sh

@@ -148,14 +148,18 @@ fi
 
 # Export the location of the runfiles helpers script
 export BAZEL_NODE_RUNFILES_HELPER=$(rlocation "TEMPLATED_runfiles_helper_script")
-if [[ "${BAZEL_NODE_RUNFILES_HELPER}" != /* ]] && [[ ! "${BAZEL_NODE_RUNFILES_HELPER}" =~ ^[A-Z]:[\\/] ]]; then
+# Paths can be with lower and upper case on windows because of the msys64 package in the powershell
+# https://regex101.com/r/c0Gjn8/1/
+if [[ "${BAZEL_NODE_RUNFILES_HELPER}" != /* ]] && [[ ! "${BAZEL_NODE_RUNFILES_HELPER}" =~ ^[A-Za-z]:[\/\\]; then
   export BAZEL_NODE_RUNFILES_HELPER=$(pwd)/${BAZEL_NODE_RUNFILES_HELPER}
 fi
 
 # Export the location of the require patch script as it can be used to bootstrap
 # node require patch if needed
 export BAZEL_NODE_PATCH_REQUIRE=$(rlocation "TEMPLATED_require_patch_script")
-if [[ "${BAZEL_NODE_PATCH_REQUIRE}" != /* ]] && [[ ! "${BAZEL_NODE_PATCH_REQUIRE}" =~ ^[A-Z]:[\\/] ]]; then
+# Paths can be with lower and upper case on windows because of the msys64 package in the powershell
+# https://regex101.com/r/c0Gjn8/1/
+if [[ "${BAZEL_NODE_PATCH_REQUIRE}" != /* ]] && [[ ! "${BAZEL_NODE_PATCH_REQUIRE}" =~ ^[A-Za-z]:[\/\\]; then
   export BAZEL_NODE_PATCH_REQUIRE=$(pwd)/${BAZEL_NODE_PATCH_REQUIRE}
 fi