mirror of
https://github.com/ben-grande/qusal.git
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bb384403ad
- Update with cacher upstream changes; - Fix README command typos; - Restore Fedora functionality; - Update mirror list; - Move repository definitions to separate files for readability; and - Add Tailscale and Blackarch repository.
310 lines
8.8 KiB
Bash
Executable File
310 lines
8.8 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-FileCopyrightText: 2015 - 2020 Marek Marczykowski-Gorecki <marmarek@invisiblethingslab.com>
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# SPDX-FileCopyrightText: 2024 Benjamin Grande M. S. <ben.grande.b@gmail.com>
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#
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# SPDX-License-Identifier: GPL-2.0-only
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## Description: rewrite repositories definitions to be used with the cacher.
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## It works for qubes that should be configured to use the cacher via Qrexec
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## or Netvm (direct networking).
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##
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## Looping through files and testing their permissions (read, write) is better
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## than finding a file and trying to sed it without knowledge, it is also
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## beneficial as 'find' fails if file is not existent and sending all 'find'
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## output to /dev/stderr is not great.
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##
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## Assigning the repositories files to '$@' avoids having to parse their names
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## in case they contain spaces, newlines and other dangerous characters to the
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## shell, it is also an easy way to use an array for /bin/sh.
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set -eu
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set_proxy_marker(){
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marker_begin_text="QUBES BEGIN"
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marker_end_text="QUBES END"
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marker_begin="### ${marker_begin_text} ###"
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marker_end="### ${marker_end_text} ###"
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proxy_file="${1}"
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proxy_options="${2}"
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if ! grep -q "^${marker_begin}$" "${proxy_file}"; then
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if grep -q "^${marker_end}$" "${proxy_file}"; then
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echo "Error: found marker ${marker_end_text} but not ${marker_begin_text} in ${proxy_file}" >&2
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echo "Fix the file by either removing both markers or adding missing ones and retry" >&2
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exit 1
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fi
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cp "${proxy_file}" "${proxy_file}.qubes-orig"
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echo "${marker_begin}" | tee -a "${proxy_file}" >/dev/null
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echo "${marker_end}" | tee -a "${proxy_file}" >/dev/null
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elif ! grep -q "^${marker_end}$" "${proxy_file}"; then
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echo "Error: found marker ${marker_begin_text} but not ${marker_end_text} in ${proxy_file}" >&2
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echo "Fix the file by either removing both markers or adding missing ones and retry" >&2
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exit 1
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fi
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proxy_tmp_file="$(mktemp)"
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cat >"${proxy_tmp_file}" <<EOF
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# The text between ${marker_begin_text} and ${marker_end_text} is automatically
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# generated by $0. All changes here will be overriden.
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# You can override options after the ${marker_end_text}.
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${proxy_options}
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EOF
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## Couldn't figure out how to write only changes on the next sed.
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if ! grep -q "${proxy_options}" "${proxy_file}"; then
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tee -a "${changes_file}" <"${proxy_tmp_file}" >/dev/null
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fi
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## GNU Sed, only reliable while we don't support BSD.
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sed -i -e "/^${marker_begin}$/,/^${marker_end}$/{
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/^${marker_end}$/b
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/^${marker_begin}$/!d
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r ${proxy_tmp_file}
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}" "${proxy_file}"
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rm -f "${proxy_tmp_file}"
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}
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check_netvm_cacher(){
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proxy_host="127.0.0.1"
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proxy_port="8082"
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proxy_addr=""
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proxy_url=""
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proxy_conf=""
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if ! test -f /var/run/qubes-service/updates-proxy-setup; then
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return 0
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fi
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if test -f /var/run/qubes-service/netvm-cacher; then
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proxy_host="$(qubesdb-read /qubes-gateway)"
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if test -z "${proxy_host}"; then
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echo "Error: service netvm-cacher enabled but netvm IP was not found" >&2
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return 1
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fi
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fi
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proxy_addr="${proxy_host}:${proxy_port}"
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proxy_url="http://${proxy_addr}"
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proxy_conf="proxy=${proxy_addr}"
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}
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reject_os(){
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echo "${0##*/} does not support your Operating System distribution." >&2
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exit 1
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}
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# shellcheck disable=SC2317
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set_proxy_os(){
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if test -e /etc/fedora-release; then
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## Fedora
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if test -w /etc/dnf/dnf.conf; then
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set_proxy_marker /etc/dnf/dnf.conf "zchunk=False
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${proxy_conf}"
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fi
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if test -n "${proxy_addr}"; then
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cat >/etc/yum.conf.d/qubes-proxy.conf <<EOF
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${proxy_conf}
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EOF
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else
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rm -f /etc/yum.conf.d/qubes-proxy.conf
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fi
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set --
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for repo in \
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/etc/yum.repos.d/*.repo
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do
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test -f "${repo}" || continue
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test -r "${repo}" || continue
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test -w "${repo}" || continue
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set -- "${@}" "${repo}"
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done
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test -n "${*}" || return 0
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case "${action}" in
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install)
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find "${@}" -type f -exec sed -i \
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-e "s|baseurl\s*=\s*https://|baseurl=http://HTTPS///|w ${changes_file}" \
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-e "s|metalink\s*=\s*https://|metalink=http://HTTPS///|w ${changes_file}" \
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{} \+
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set --
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for repo in \
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/etc/yum.repos.d/rpmfusion*.repo
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do
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test -f "${repo}" || continue
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test -r "${repo}" || continue
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test -w "${repo}" || continue
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set -- "${@}" "${repo}"
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done
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test -n "${*}" || return 0
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find "${@}" -type f -exec sed -i \
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-e "s|^\s*#.*baseurl|baseurl|w ${changes_file}" \
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-e "s|^\s*metalink\s*=\s*|#metalink=|w ${changes_file}" \
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{} \+
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;;
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uninstall)
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find "${@}" -type f -exec sed -i \
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-e "s|baseurl\s*=\s*http://HTTPS///|baseurl=https://|w ${changes_file}" \
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-e "s|metalink\s*=\s*http://HTTPS///|metalink=https://|w ${changes_file}" \
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{} \+
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set --
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for repo in \
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/etc/yum.repos.d/rpmfusion*.repo
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do
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test -f "${repo}" || continue
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test -r "${repo}" || continue
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test -w "${repo}" || continue
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set -- "${@}" "${repo}"
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done
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test -n "${*}" || return 0
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find "${@}" -type f -exec sed -i \
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-e "s|^\s*baseurl|#baseurl|w ${changes_file}" \
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-e "s|^\s*#.*metalink\s*=|metalink=|w ${changes_file}" \
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{} \+ 2>/dev/null || true
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;;
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esac
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elif test -e /etc/debian_version && test ! -e /usr/share/whonix/marker; then
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## Debian and derivatives but not Whonix.
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if test -n "${proxy_addr}"; then
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cat >/etc/apt/apt.conf.d/50cacher-proxy <<EOF
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# Use Cacher NetVM Update Proxy
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Acquire::http::Proxy "${proxy_url}";
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Acquire::tor::proxy "${proxy_url}";
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EOF
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else
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rm -f /etc/apt/apt.conf.d/50cacher-proxy
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fi
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set --
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for repo in \
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/etc/apt/sources.list \
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/etc/apt/sources.list.d/*.list \
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/etc/apt/sources.list.d/*.sources
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do
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test -f "${repo}" || continue
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test -r "${repo}" || continue
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test -w "${repo}" || continue
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set -- "${@}" "${repo}"
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done
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test -n "${*}" || return 0
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case "${action}" in
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install)
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find "${@}" -type f -exec sed -i \
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-e "s|URIs:\s*https://|URIs: http://HTTPS///|w ${changes_file}" \
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-e "s|^\s*\(#*\)\s*deb\(.*\)https://|\1deb\2http://HTTPS///|w ${changes_file}" \
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{} \+
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;;
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uninstall)
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find "${@}" -type f -exec sed -i \
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-e "s|URIs:\s*http://HTTPS///|URIs: https://|w ${changes_file}" \
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-e "s|^\s*\(#*\)\s*deb\(.*\)http://HTTPS///|\1deb\2https://|w ${changes_file}" \
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{} \+
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;;
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esac
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elif test -e /etc/arch-release; then
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## Archlinux
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if test -n "${proxy_addr}"; then
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if ! test -d /run/qubes/bin; then
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mkdir -p /run/qubes/bin
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fi
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cat >/run/qubes/bin/pacman <<EOF
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#!/bin/sh
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exec env ALL_PROXY="${proxy_url}" /usr/bin/pacman "\$@"
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EOF
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chmod +x /run/qubes/bin/pacman
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cat >/etc/profile.d/qubes-proxy.sh << EOF
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export PATH=/run/qubes/bin:\$PATH
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EOF
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else
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rm -f /run/qubes/bin/pacman /etc/profile.d/qubes-proxy.sh
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fi
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set --
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for repo in \
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/etc/pacman.d/mirrorlist \
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/etc/pacman.d/*.conf \
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/etc/pacman.d/*.conf.disabled
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do
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test -f "${repo}" || continue
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test -r "${repo}" || continue
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test -w "${repo}" || continue
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set -- "${@}" "${repo}"
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done
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test -n "${*}" || return 0
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case "${action}" in
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install)
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find "${@}" -type f -exec sed -i \
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-e "s|Server\s*=\s*https://|Server = http://HTTPS///|w ${changes_file}" \
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{} \+
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;;
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uninstall)
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find "${@}" -type f -exec sed -i \
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-e "s|Server\s*=\s*http://HTTPS///|Server = https://|w ${changes_file}" \
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{} \+
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;;
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esac
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else
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## Gentoo: upstream does not have a good solution:
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## https://wiki.gentoo.org/wiki/Local_distfiles_cache#Configuring_for_Gentoo
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reject_os
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fi
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}
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set_proxy_unspecific_os(){
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if test -w /etc/PackageKit/PackageKit.conf; then
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set_proxy_marker /etc/PackageKit/PackageKit.conf "ProxyHTTP=${proxy_url}"
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fi
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}
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usage(){
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echo "Usage: ${0##*/} [install|uninstall]"
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echo "Note: autodetection occurs if not argument is specified"
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exit 1
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}
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changes_file="$(mktemp)"
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trap 'rm -f "${changes_file}"' HUP INT QUIT ABRT EXIT
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if test -f /var/run/qubes-service/updates-proxy-setup ||
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test -f /var/run/qubes-service/netvm-cacher
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then
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action="install"
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else
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action="uninstall"
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fi
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case "${1-}" in
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install|uninstall) action="${1}";;
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"") ;;
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*) usage;;
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esac
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if test "$(id -u)" != "0"; then
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echo "Error: Permission denied, action requires root privileges."
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exit 1
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fi
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check_netvm_cacher
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set_proxy_os
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set_proxy_unspecific_os
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## Stateful Salt cmd Module.
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echo
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if test -s "${changes_file}"; then
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echo "changed=yes comment='configuration was modified'"
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else
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echo "changed=no comment='configuration remained untouched'"
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fi
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exit
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