Rocket/scripts/config.sh

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# Simply sets up a few useful variables.
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
function relative() {
local full_path="${SCRIPT_DIR}/../${1}"
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if [ -d "${full_path}" ]; then
# Try to use readlink as a fallback to readpath for cross-platform compat.
if command -v realpath >/dev/null 2>&1; then
realpath "${full_path}"
elif ! (readlink -f 2>&1 | grep illegal > /dev/null); then
readlink -f "${full_path}"
else
echo "Rocket's scripts require 'realpath' or 'readlink -f' support." >&2
echo "Install realpath or GNU readlink via your package manager." >&2
echo "Aborting." >&2
exit 1
fi
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else
# when the directory doesn't exist, fallback to this.
echo "${full_path}"
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fi
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}
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ROOT_DIR=$(relative "") || exit $?
EXAMPLES_DIR=$(relative "examples") || exit $?
LIB_DIR=$(relative "lib") || exit $?
CODEGEN_DIR=$(relative "codegen") || exit $?
CONTRIB_DIR=$(relative "contrib") || exit $?
DOC_DIR=$(relative "target/doc") || exit $?
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if [ "${1}" = "-p" ]; then
echo "${ROOT_DIR}"
echo "${SCRIPT_DIR}"
echo "${EXAMPLES_DIR}"
echo "${LIB_DIR}"
echo "${CODEGEN_DIR}"
echo "${CONTRIB_DIR}"
echo "${DOC_DIR}"
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fi