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#!/usr/bin/env bash
# Permission to use, copy, modify, and/or distribute this software for
# any purpose with or without fee is hereby granted.
#
# THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL
# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE
# FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
# AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
if [ -z "$PACKAGE_NAME" ]; then
PACKAGE_NAME="pkgsync-ng-nt"
fi
set -eu
umask 077
TEMPDIR=$(mktemp -d -t packagesync-XXXXXXXX)
cd "$TEMPDIR" || exit 1
MISSING_DEPENDENCIES=()
command -v yq >/dev/null 2>&1 || MISSING_DEPENDENCIES+=(yq)
command -v equivs-build >/dev/null 2>&1 || MISSING_DEPENDENCIES+=(equivs)
command -v stat >/dev/null 2>&1 || MISSING_DEPENDENCIES+=(coreutils)
command -v mktemp >/dev/null 2>&1 || MISSING_DEPENDENCIES+=(coreutils)
set +u
if [ "${#MISSING_DEPENDENCIES}" -gt 0 ]; then
echo "Installing missing dependencies:" "${MISSING_DEPENDENCIES[@]}" ...
apt-get install --no-install-recommends -yq "${MISSING_DEPENDENCIES[@]}"
echo "Done installing dependencies."
fi
set -u
OLD_VERSION=$(dpkg-query --showformat='${Version}' --show "$PACKAGE_NAME" 2>/dev/null || echo 0)
NEW_VERSION=$(stat -c %Y /etc/packages.yaml)
if [ "$OLD_VERSION" -ge "$NEW_VERSION" ]; then
cd /
rm -rf "$TEMPDIR"
apt-mark manual "$PACKAGE_NAME"
apt-mark showmanual | grep -v "^${PACKAGE_NAME}$" | xargs apt-mark auto || true # ignore empty list
apt-get autoremove --purge -yq
exit 0
fi
DO_INSTALL="$(< /etc/packages.yaml yq -r '.install | to_entries | map(.value) | add | map(tostring) | join(", ")' 2>/dev/null || true)"
if [ -z "$DO_INSTALL" ]; then
printf "Package List was empty. Refusing operation for fear of malformed configuration."
exit 1
fi
DONT_INSTALL="$(< /etc/packages.yaml yq -r '.remove | to_entries | map(.value) | add | map(tostring) | join(", ")' 2>/dev/null || true)"
cat > "$PACKAGE_NAME" << EOF
Section: misc
Priority: optional
Standards-Version: 3.9.2
Package: $PACKAGE_NAME
Version: $NEW_VERSION
Depends: $DO_INSTALL, apt, coreutils, equivs, findutils, yq
Conflicts: $DONT_INSTALL
Description: Metapackage for all needed packages.
This is a dummy package, depending on other packages to make Package Management easier.
EOF
set +u
if ! [ -z "$PACKAGE_MAINTAINER" ]; then
echo "Maintainer: $PACKAGE_MAINTAINER" >> "$PACKAGE_NAME"
fi
set -u
equivs-build "$PACKAGE_NAME"
apt-get install -yq --no-install-recommends ./${PACKAGE_NAME}_${NEW_VERSION}_all.deb
apt-mark manual "$PACKAGE_NAME"
apt-mark showmanual | grep -v "^${PACKAGE_NAME}$" | xargs apt-mark auto || true # ignore empty list
apt-get autoremove -yq --purge
cd /
rm -rf "$TEMPDIR"
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