# Copyright 2014-2020 Chris Cummins <chrisc.101@gmail.com>.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# =============================================================================
# labm8/sh/app.sh - Main entry point for shell libraries and scripts.
#
# Copy the following verbatim into the header of any scripts:
#
#     # --- begin labm8 init ---
#     f=phd/labm8/sh/app.sh
#     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: cannot find $f"; exit 1; }; f=
#     # --- begin app init ---
# =============================================================================

# --- begin runfiles.bash initialization v2 ---
# Copy-pasted from the Bazel Bash runfiles library v2.
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: cannot find $f"
    exit 1
  }
f=
# --- end runfiles.bash initialization v2 ---

# Args:
#   $1 (str): The path to the data, including the name of the workspace.
#
# Returns:
#   An absolute path, or an empty string if the file does not exist.
DataPath() {
  rlocation $1
}
