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#!/bin/sh -l
# author: Tiziano Müller
# SPDX-License-Identifier: MIT
set -o errexit
set -o nounset
PYTHON=$(command -v python3 || true)
if [ -z "${PYTHON}" ]; then
echo "ERROR: the python3 executable could not be found, but is required for the complete build process"
exit 1
fi
GOLANG=$(command -v go || true)
if [ -z "${GOLANG}" ]; then
# TODO: bootstrap go as well, maybe use https://github.com/stefanmaric/g
echo "ERROR: did not find a 'go' executable, required for some of the pre-commit hooks"
exit 1
fi
SCRIPTDIR=$(CDPATH='' cd -- "$(dirname -- "$0")" && pwd)
# here we assume that this script is located in the tools/ subfolder
ENVDIR="${SCRIPTDIR}/../.pre-commit-env"
if [ -f "${ENVDIR}/bootstrap_done" ]; then
echo "The environment in <CP2K-SRC-DIR>/.pre-commit-env/ is ready to use..."
exit 0
fi
echo "Installing all required tools to run pre-commit in <CP2K-SRC-DIR>/.pre-commit-env/"
echo "Creating the virtualenv for pre-commit..."
if [ ! -d "${ENVDIR}" ]; then
"${PYTHON}" -m venv "${ENVDIR}"
fi
# resolve the relative path now that we have it:
ENVDIR=$(CDPATH='' cd -- "${ENVDIR}" && pwd)
# shellcheck source=/dev/null
. "${ENVDIR}/bin/activate"
# change the command to the prefixed one for the rest of the script:
PYTHON=$(command -v python)
PIP=$(command -v pip || true)
if [ -z "${PIP}" ]; then
echo "Bootstrapping the pip command inside the virtual environment..."
FETCHER="$(command -v curl || true)"
FETCHER_OPTS=""
if [ -z "${FETCHER}" ]; then
FETCHER="$(command -v wget || true)"
FETCHER_OPTS="-O-"
fi
if [ -z "${FETCHER}" ]; then
echo "ERROR: neither wget nor curl seem to be available, please download"
echo " https://bootstrap.pypa.io/get-pip.py"
echo "manually and run:"
echo " python3 get-pip.py"
echo "to install the pip command, then rerun this script."
rm -rf "${ENVDIR}" # cleaning up to avoid picking up the unprefixed pip on the rerun
exit 1
fi
"${FETCHER}" ${FETCHER_OPTS} "https://bootstrap.pypa.io/get-pip.py" | "${PYTHON}"
fi
PIP=$(command -v pip)
echo "Installing pre-commit..."
"${PIP}" install pre-commit
# this will also install things like shellcheck and a pre-built node if necessary
PRE_COMMIT=$(command -v pre-commit)
# Enable Go 11 style modules for shfmt
export GO111MODULE=on
echo "Letting pre-commit setup the rest..."
"${PRE_COMMIT}" install --install-hooks
echo "successfully bootstrapped at $(date) by $0" > "${ENVDIR}/bootstrap_done"
echo ""
echo "All done: pre-commit will now run on each 'git commit' on the files you are committing!"
echo ""
echo "Should you need to run it manually, use"
echo ""
echo " ${ENVDIR}/bin/pre-commit"
echo ""
echo "or add the directory ${ENVDIR}/bin to your \$PATH variable."
echo "Happy hacking! :)"
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