Added Posix Shell implementation of Runfiles.

.bazelci/presubmit.yml

@@ -3,13 +3,17 @@ buildifier: latest
 
 matrix:
   platform:
+    - rockylinux8
+    - debian10
     - ubuntu2004
+    - ubuntu2004_arm64
     - macos
+    - macos_arm64
     - windows
   bazel:
-    - 6.x
     - 7.x
     - 8.x
+    - 9.x
 
 tasks:
   test_module_bzlmod:
@@ -47,3 +51,47 @@ tasks:
       - "//..."
     test_targets:
       - "//..."
+
+  test_module_bzlmod_shell_runfiles:
+    name: "Test module (Bzlmod + Shell Runfiles)"
+    working_directory: "tests/bcr"
+    bazel: ${{ bazel }}
+    platform: ${{ platform }}
+    build_flags:
+      - "--enable_bzlmod"
+      - "--@rules_shell//shell/settings:experimental_use_shell_runfiles=True"
+    build_targets:
+      - "//..."
+    test_flags:
+      - "--enable_bzlmod"
+      - "--@rules_shell//shell/settings:experimental_use_shell_runfiles=True"
+    test_targets:
+      - "//..."
+  test_module_workspace_shell_runfiles:
+    name: "Test module (WORKSPACE + Shell Runfiles)"
+    working_directory: "tests/bcr"
+    bazel: ${{ bazel }}
+    platform: ${{ platform }}
+    build_flags:
+      - "--enable_bzlmod"
+      - "--@rules_shell//shell/settings:experimental_use_shell_runfiles=True"
+    build_targets:
+      - "//..."
+    test_flags:
+      - "--enable_bzlmod"
+      - "--@rules_shell//shell/settings:experimental_use_shell_runfiles=True"
+    test_targets:
+      - "//..."
+  test_module_head_shell_runfiles:
+    name: "Test module (Bazel@HEAD, Bzlmod + Shell Runfiles)"
+    working_directory: "tests/bcr"
+    bazel: last_green
+    platform: ${{ platform }}
+    build_flags:
+      - "--@rules_shell//shell/settings:experimental_use_shell_runfiles=True"
+    build_targets:
+      - "//..."
+    test_flags:
+      - "--@rules_shell//shell/settings:experimental_use_shell_runfiles=True"
+    test_targets:
+      - "//..."

.bcr/presubmit.yml

@@ -6,8 +6,9 @@ bcr_test_module:
       - debian10
       - ubuntu2004
       - macos
+      - macos_arm64
       - windows
-    bazel: [6.x, 7.x, 8.x]
+    bazel: [7.x, 8.x, 9.x]
   tasks:
     run_test_module:
       name: Run test module

shell/runfiles/BUILD

@@ -1,16 +1,33 @@
 load("//shell:sh_library.bzl", "sh_library")
 load("//shell/private:root_symlinks.bzl", "ROOT_SYMLINKS_SUPPORTED", "root_symlinks")
 
+config_setting(
+    name = "use_shell_runfiles",
+    flag_values = {"//shell/settings:experimental_use_shell_runfiles": "true"},
+)
+
 alias(
     name = "runfiles",
-    actual = ":runfiles_impl" if ROOT_SYMLINKS_SUPPORTED else "@bazel_tools//tools/bash/runfiles",
+    actual = select({
+        ":use_shell_runfiles": ":runfiles_sh_impl",
+        "//conditions:default": ":runfiles_impl" if ROOT_SYMLINKS_SUPPORTED else "@bazel_tools//tools/bash/runfiles",
+    }),
     visibility = ["//visibility:public"],
 )
 
 sh_library(
     name = "runfiles_impl",
     data = [":runfiles_at_legacy_location"],
     tags = ["manual"],
+    visibility = ["//visibility:public"],
+    deps = [":runfiles_bash"],
+)
+
+sh_library(
+    name = "runfiles_bash",
+    srcs = ["runfiles.bash"],
+    tags = ["manual"],
+    visibility = ["//visibility:public"],
 )
 
 root_symlinks(
@@ -21,7 +38,33 @@ root_symlinks(
     tags = ["manual"],
 )
 
+sh_library(
+    name = "runfiles_sh_impl",
+    data = [":runfiles_sh_at_legacy_location"],
+    tags = ["manual"],
+    visibility = ["//visibility:public"],
+    deps = [":runfiles_sh"],
+)
+
+sh_library(
+    name = "runfiles_sh",
+    srcs = ["runfiles.sh"],
+    tags = ["manual"],
+    visibility = ["//visibility:public"],
+)
+
+root_symlinks(
+    name = "runfiles_sh_at_legacy_location",
+    root_symlinks = {
+        "runfiles.sh": "bazel_tools/tools/bash/runfiles/runfiles.bash",
+    },
+    tags = ["manual"],
+)
+
 exports_files(
-    ["runfiles.bash"],
+    [
+        "runfiles.bash",
+        "runfiles.sh",
+    ],
     visibility = ["//tests/runfiles:__pkg__"],
 )