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517e628c7b
piuparts doesn't like seeing an empty resolv.conf after removing the package, so take a backup and use it in case resolved/resolv.conf is not available
39 lines
1.6 KiB
Bash
39 lines
1.6 KiB
Bash
#!/bin/sh
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set -e
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_adopt_conffile() {
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conffile=$1
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pkg=$2
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[ -f "${conffile}.dpkg-bak" ] || return 0
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md5sum="$(md5sum "${conffile}" | sed -e 's/ .*//')"
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old_md5sum="$(dpkg-query -W -f='${Conffiles}' "$pkg" | \
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sed -n -e "\' ${conffile} ' { s/ obsolete$//; s/.* //; p }")"
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# On new installs, if the policy file was preserved on systemd upgrade
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# by dpkg-maintscript helper, copy it back if the new file has not been modified yet
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if [ "$md5sum" = "$old_md5sum" ]; then
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mv "${conffile}.dpkg-bak" "${conffile}"
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fi
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}
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if [ "$1" = configure ] && [ -z "$2" ]; then
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adduser --quiet --system --group --no-create-home --home /run/systemd \
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--gecos "systemd Resolver" systemd-resolve
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_adopt_conffile "${DPKG_ROOT}/etc/systemd/resolved.conf" systemd-resolved
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fi
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if [ "$1" = configure ] && dpkg --compare-versions "$2" lt 251.4-2; then
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if [ "$(readlink "${DPKG_ROOT}/etc/resolv.conf")" != "../run/systemd/resolve/stub-resolv.conf" ] && [ "$(readlink "${DPKG_ROOT}/etc/resolv.conf")" != "/run/systemd/resolve/stub-resolv.conf" ]; then
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echo "Converting /etc/resolv.conf to a symlink to /run/systemd/resolve/stub-resolv.conf..."
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if [ -f "${DPKG_ROOT}/etc/resolv.conf" ]; then
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mv "${DPKG_ROOT}/etc/resolv.conf" "${DPKG_ROOT}/etc/.resolv.conf.systemd-resolved.bak" || echo "Cannot take a backup of /etc/resolv.conf."
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fi
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ln -sf ../run/systemd/resolve/stub-resolv.conf "${DPKG_ROOT}/etc/resolv.conf" || echo "Cannot install symlink from /etc/resolv.conf to ../run/systemd/resolve/stub-resolv.conf"
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fi
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fi
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#DEBHELPER#
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