case "${KNAME}" in
	SunOS)
		ARCH=$(isainfo -k)
		;;
	esac
}

## FIXME:
## In OSX, 'readlink -f' option does not exist, hence
## we have our own readlink -f behavior here.
## Once OSX has the option, below function is good enough.
##
## readlink() {
##     return /bin/readlink -f "$1"
## }
##
readlink() {
	TARGET_FILE=$1

	cd $(dirname $TARGET_FILE)
	TARGET_FILE=$(basename $TARGET_FILE)

#
# Re-direct all links in $1 that point to /lib... to point to $1/lib... instead.

BASE="$1"
find "${BASE}" -type l | \
  while read l ; do
    if [[ "$(readlink "$l")" == /lib* ]]; then
      ORIG="$(readlink "$l")";
      rm "$l";
      ln -s "${BASE}${ORIG}" "$l"
    fi

    # readlink(1) is not available as standard on Solaris 10.
    readLink=$(which readlink)
    if [ ! "$(expr "$readLink" : '\([^ ]*\)')" = "no" ]; then
      if $darwin; then
        javaHome="$(dirname "$javaExecutable")"
        javaExecutable="$(cd "$javaHome" && pwd -P)/javac"
      else
        javaExecutable="$(readlink -f "$javaExecutable")"
      fi

# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.

SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ]; do
	DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
	SOURCE="$(readlink "$SOURCE")"
	[[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
done
DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"

# Increase the V8 stack size from the default of 984K

fi
if [[ "${IMAGE_NAME:-}" == "" ]]; then
  IMAGE_NAME=build-tools
fi

DOCKER_GID="${DOCKER_GID:-$(grep '^docker:' /etc/group | cut -f3 -d:)}"

TIMEZONE=$(readlink "$readlink_flags" /etc/localtime | sed -e 's/^.*zoneinfo\///')

TARGET_OUT="${TARGET_OUT:-$(pwd)/out/${TARGET_OS}_${TARGET_ARCH}}"
TARGET_OUT_LINUX="${TARGET_OUT_LINUX:-$(pwd)/out/linux_${TARGET_ARCH}}"

and other reparse points with non-default [`os.ModeType`](/pkg/os#ModeType) bits
(such as [`os.ModeDir`](/pkg/os#ModeDir)) do not have the `ModeIrregular` bit set.

Go 1.23 changed [`os.Readlink`](/pkg/os#Readlink) and [`filepath.EvalSymlinks`](/pkg/path/filepath#EvalSymlinks)
to avoid trying to normalize volumes to drive letters, which was not always even possible.
This behavior is controlled by the `winreadlinkvolume` setting.

			open(path, flags, mode, callback) { callback(enosys()); },
			read(fd, buffer, offset, length, position, callback) { callback(enosys()); },
			readdir(path, callback) { callback(enosys()); },
			readlink(path, callback) { callback(enosys()); },
			rename(from, to, callback) { callback(enosys()); },
			rmdir(path, callback) { callback(enosys()); },
			stat(path, callback) { callback(enosys()); },

    }

    private void assertFoundDeadLinks(Collection<DeadLink> deadLinks) {
        assert linkErrors.exists()

        def lines = linkErrors.readLines()
        deadLinks.each { deadLink ->
            String errorStart = "ERROR: ${deadLink.file.name}:"
            assert lines.any { it.startsWith(errorStart) && it.endsWith(deadLink.message) }
        }
    }

   *
   * @throws IOException if an I/O error occurs while reading from this source
   */
  public ImmutableList<String> readLines() throws IOException {
    Closer closer = Closer.create();
    try {
      BufferedReader reader = closer.register(openBufferedStream());
      List<String> result = Lists.newArrayList();
      String line;
      while ((line = reader.readLine()) != null) {
        result.add(line);
      }

      }
    }

    @Override
    public int readInt() {
      try {
        return input.readInt();
      } catch (IOException e) {
        throw new IllegalStateException(e);
      }
    }

    @Override
    public long readLong() {
      try {
        return input.readLong();
      } catch (IOException e) {
        throw new IllegalStateException(e);
      }