termux-packages/scripts/bin/update-checksum

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#!/bin/bash
##
## Package update helper script which sets new SHA-256 for source bundle.
##
## Copyright 2020 Leonid Pliushch <leonid.pliushch@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.
##
set -e
if [ "${#}" = "0" ]; then
echo
echo "Usage: update-sha256 [package name] ..."
echo
echo "Update TERMUX_PKG_SHA256 of package and optionally commit changes."
echo
exit 1
fi
REPO_ROOT=$(realpath "$(dirname "$0")/../../")
IS_GIT_REPOSITORY=false
if git status >/dev/null 2>&1; then
IS_GIT_REPOSITORY=true
fi
for package in "${@}"; do
buildsh_path="${REPO_ROOT}/packages/${package}/build.sh"
if [ ! -f "${buildsh_path}" ]; then
echo "${package}: skipping as no build.sh found"
continue
fi
# Calculate new checksum in subshell.
echo
new_checksum=$(
source "${buildsh_path}" 2>/dev/null
dl_tmpdir=$(mktemp -d "${TMPDIR-/tmp}/termux.src.dl.XXXXXXXX")
if [ -n "${dl_tmpdir}" ] && [ -d "${dl_tmpdir}" ]; then
if ! curl --fail --location --retry 3 --output "${dl_tmpdir}/source-bundle" \
"${TERMUX_PKG_SRCURL[0]}"; then
rm -rf "${dl_tmpdir}"
fi
if [ -f "${dl_tmpdir}/source-bundle" ]; then
sha256sum "${dl_tmpdir}/source-bundle" | awk '{ print $1 }'
fi
rm -rf "${dl_tmpdir}"
fi
)
if [ -n "${new_checksum}" ]; then
# Replace old SHA-256.
# Note that this will not work properly if SHA-256 is an array.
sed -i "s/^\(TERMUX_PKG_SHA256=\)\(.*\)\$/\1${new_checksum}/g" "${buildsh_path}"
# Delete revision as it shouldn't be present if package was updated.
sed -i "/TERMUX_PKG_REVISION=/d" "${buildsh_path}"
# If we are on Git repository, prompt for committing changes.
if ${IS_GIT_REPOSITORY}; then
echo
echo "You are about to commit these changes:"
echo
echo "--------------------"
git diff --patch "${buildsh_path}"
echo "--------------------"
echo
echo "${package}: update to $(. "${buildsh_path}"; echo "${TERMUX_PKG_VERSION}" | cut -d: -f2-)"
echo
read -re -p "Do you want to commit changes ? (y/n) " CHOICE
echo
if [[ ${CHOICE} =~ (Y|y) ]]; then
git add "${buildsh_path}"
git commit -m "${package}: update to $(. "${buildsh_path}"; echo "${TERMUX_PKG_VERSION}" | cut -d: -f2-)"
else
echo "Not committing to Git!"
fi
echo
fi
else
echo
echo "${package}: failed to calculate the new checksum"
exit 1
fi
done