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bazel-lib/lib/paths.bzl
Alex Eagle f0a19f5a7c
Update paths.bzl (#735)
Add a more helpful error when runfiles.bash can't be found.
2024-01-27 12:26:12 -08:00

27 lines
1.4 KiB
Python

"Public API"
load("//lib/private:paths.bzl", "paths")
relative_file = paths.relative_file
to_output_relative_path = paths.to_output_relative_path
to_repository_relative_path = paths.to_repository_relative_path
to_rlocation_path = paths.to_rlocation_path
# Bash helper function for looking up runfiles.
# See windows_utils.bzl for the cmd.exe equivalent.
# Vendored from
# https://github.com/bazelbuild/bazel/blob/master/tools/bash/runfiles/runfiles.bash
BASH_RLOCATION_FUNCTION = r"""
# --- begin runfiles.bash initialization v3 ---
# Copy-pasted from the Bazel Bash runfiles library v3.
# https://github.com/bazelbuild/bazel/blob/master/tools/bash/runfiles/runfiles.bash
set -uo pipefail; set +e; f=bazel_tools/tools/bash/runfiles/runfiles.bash
source "${RUNFILES_DIR:-/dev/null}/$f" 2>/dev/null || \
source "$(grep -sm1 "^$f " "${RUNFILES_MANIFEST_FILE:-/dev/null}" | cut -f2- -d' ')" 2>/dev/null || \
source "$0.runfiles/$f" 2>/dev/null || \
source "$(grep -sm1 "^$f " "$0.runfiles_manifest" | cut -f2- -d' ')" 2>/dev/null || \
source "$(grep -sm1 "^$f " "$0.exe.runfiles_manifest" | cut -f2- -d' ')" 2>/dev/null || \
{ echo>&2 "ERROR: runfiles.bash initializer cannot find $f. An executable rule may have forgotten to expose it in the runfiles, or the binary may require RUNFILES_DIR to be set."; exit 1; }; f=; set -e
# --- end runfiles.bash initialization v3 ---
"""