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#!/bin/sh
set -ue
requirements_in="$(readlink -f ./requirements.in)"
requirements_ansible_in="$(readlink -f ./requirements_ansible.in)"
requirements="$(readlink -f ./requirements.txt)"
requirements_ansible="$(readlink -f ./requirements_ansible.txt)"
pip_compile="pip-compile --no-header --quiet -r --allow-unsafe"
check_prerequisites() {
for thing in patch awk python3 python2 virtualenv ; do
command -v $thing >/dev/null 2>&1 || { echo "$thing not installed or available. Please fix this before running." ; exit 1 ; }
done
}
_cleanup() {
cd /
test "${KEEP_TMP:-0}" = 1 || rm -rf "${_tmp}"
}
install_deps() {
pip install pip --upgrade
pip install pip-tools
}
generate_requirements_v3() {
venv="./venv3"
python3 -m venv "${venv}"
# shellcheck disable=SC1090
. "${venv}/bin/activate"
install_deps
${pip_compile} --output-file requirements.txt "${requirements_in}"
${pip_compile} --output-file requirements_ansible_py3.txt "${requirements_ansible_in}"
}
generate_requirements_v2() {
venv="./venv2"
virtualenv -p python2 "${venv}"
# shellcheck disable=SC1090
PS1="" . "${venv}/bin/activate"
install_deps
${pip_compile} --output-file requirements_ansible.txt "${requirements_ansible_in}"
}
generate_patch() {
a="requirements_ansible_py3.txt"
b="requirements_ansible.txt"
replace='; python_version < "3" #'
# most elegant/quick solution I could come up for now
out="$(diff --ignore-matching-lines='^#' --unified "${a}" "${b}" | \
awk -v replace="${replace}" '{ if (/^+\w/){ $2=replace; print;} else print; }' | \
sed 's/ ;/;/g')"
test -n "${out}"
echo "${out}"
}
main() {
check_prerequisites
_tmp="$(mktemp -d --suffix .awx-requirements XXXX -p /tmp)"
trap _cleanup INT TERM EXIT
if [ "$1" = "upgrade" ]; then
pip_compile="${pip_compile} --upgrade"
fi
cp -vf requirements.txt requirements_ansible.txt "${_tmp}"
cp -vf requirements_ansible.txt "${_tmp}/requirements_ansible_py3.txt"
cd "${_tmp}"
generate_requirements_v3
generate_requirements_v2
sed -i 's/^docutils.*//g' requirements.txt
generate_patch | patch -p4 requirements_ansible_py3.txt
cp -vf requirements_ansible_py3.txt "${requirements_ansible}"
cp -vf requirements.txt "${requirements}"
_cleanup
}
# set EVAL=1 in case you want to source this script
test "${EVAL:-0}" = "1" || main "${1:-}"
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