461 lines
20 KiB
Bash
Executable file
461 lines
20 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Copyright (C) 2023 Rudra Saraswat
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#
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# This file is part of blend.
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#
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# blend is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# blend is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with blend. If not, see <http://www.gnu.org/licenses/>.
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if [ ! -f '/run/.containerenv' ]; then
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echo 'not running in container'
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exit 1
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fi
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shopt -s extglob
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while true; do
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case $1 in
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--uid)
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if [ -n "$2" ]; then
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_cuid="$2"
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shift
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shift
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fi
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;;
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--group)
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if [ -n "$2" ]; then
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_cgid="$2"
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shift
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shift
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fi
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;;
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--username)
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if [ -n "$2" ]; then
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_uname="$2"
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shift
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shift
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fi
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;;
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--home)
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if [ -n "$2" ]; then
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_uhome="$2"
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shift
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shift
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fi
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;;
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-*)
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exit 1
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;;
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*)
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break
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;;
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esac
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done
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echo 'Starting container... (this may take a few minutes)'
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echo
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bmount() {
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! [[ -d "$1" ]] && ! [[ -f "$1" ]] && return 0 # check if source dir exists
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! [[ -e "$2" ]] && findmnt "$2" &>/dev/null && umount "$2" # unmount target dir if a mount
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[[ -d "$1" ]] && mkdir -p "$2" # create target dir if source is a dir
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[[ -f "$1" ]] && mkdir -p "$(dirname "$2")"; touch "$2" # create target file if source is a file
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mountflags="rslave"
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! [[ -z "$3" ]] && mountflags="$3"
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mount --rbind -o "$mountflags" "$1" "$2" &>/dev/null
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}
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if [[ ! -f '/.init_blend.lock' ]]; then
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###
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if command -v apt-get &>/dev/null; then
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apt-get update &>/dev/null
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DEBIAN_FRONTEND=noninteractive apt-get -y install bash bc curl less wget apt-utils apt-transport-https dialog \
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diffutils findutils gnupg2 sudo time util-linux libnss-myhostname \
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lsof ncurses-base passwd inotify-tools pinentry-curses libegl1-mesa \
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libgl1-mesa-glx libvulkan1 mesa-vulkan-drivers dbus &>/dev/null
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elif command -v pacman &>/dev/null; then
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pacman --noconfirm -Syyu &>/dev/null
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pacman --noconfirm -Sy bash bc curl wget diffutils findutils gnupg sudo time util-linux vte-common lsof ncurses pinentry \
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mesa opengl-driver vulkan-intel vulkan-radeon base-devel git inotify-tools dbus dbus-broker &>/dev/null
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elif command -v dnf &>/dev/null; then
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dnf config-manager --set-enabled crb &>/dev/null
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dnf install -y epel-release &>/dev/null
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dnf install -y --allowerasing bash bc curl wget diffutils findutils dnf-plugins-core gnupg2 less lsof passwd pinentry \
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procps-ng vte-profile ncurses util-linux sudo time shadow-utils vulkan mesa-vulkan-drivers \
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mesa-dri-drivers inotify-tools dbus &>/dev/null
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fi
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mkdir -p /usr/local/bin
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wget -O /usr/local/bin/host-spawn "https://github.com/1player/host-spawn/releases/latest/download/host-spawn-$(uname -m)" &>/dev/null
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chmod 755 /usr/local/bin/host-spawn
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fi
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###
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for i in /var/log/journal /var/lib/systemd/coredump /var/lib/flatpak; do
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bmount "/run/host/${i}" "$i" ro
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done
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for i in /etc/host.conf /run/media /media /mnt /var/mnt \
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/run/libvirt /etc/machine-id /run/netconfig/ /run/udev \
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/run/systemd/journal /run/systemd/seats /run/systemd/sessions \
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/run/systemd/users /run/systemd/resolve/ /srv /var/lib/libvirt; do
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bmount "/run/host/${i}" "$i" rw
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done
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init_ro_mounts="
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/run/systemd/journal
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/var/log/journal
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/run/systemd/resolve
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/run/systemd/seats
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/run/systemd/sessions
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/run/systemd/users
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/var/lib/systemd/coredump
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/etc/localtime"
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### Section START https://github.com/89luca89/distrobox/blob/main/distrobox-init#L772
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host_sockets="$(find /run/host/run -name 'user' \
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-prune -o -path /run/host/run/media \
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-prune -o -name 'nscd' \
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-prune -o -name 'bees' \
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-prune -o -name 'system_bus_socket' \
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-prune -o -type s -print \
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2> /dev/null || :)"
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### Section END
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for i in ${host_sockets}; do
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container_socket="$(echo -n "$i" | sed 's/\/run\/host//g')"
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if [ ! -S "${container_socket}" ] && [ ! -L "${container_socket}" ]; then
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rm -f "${container_socket}"
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mkdir -p "$(dirname "${container_socket}")"
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ln -s "$i" "${container_socket}"
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fi
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done
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bmount "/run/host/usr/share/themes" "/usr/local/share/themes" ro
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bmount "/run/host/usr/share/icons" "/usr/local/share/icons" ro
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bmount "/run/host/usr/share/fonts" "/usr/local/share/fonts" ro
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bmount "/usr/bin/host-blend" "/usr/bin/blend" ro
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# sudo touch /.init_blend.lock
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if [[ ! -f '/.init_blend.lock' ]]; then
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#######################################################################
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# NVIDIA driver integration. This is straight from https://github.com/89luca89/distrobox/blob/main/distrobox-init#L816,
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# entirely thanks to an effort by Luca Di Maio, save for a few tweaks for init-blend. Thanks, in case you're reading this!
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NVIDIA_FILES="$(find /run/host/usr/ \
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-path "/run/host/usr/share/doc*" -prune -o \
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-path "/run/host/usr/src*" -prune -o \
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-path "/run/host/usr/lib*/modules*" -prune -o \
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-path "/run/host/usr/share/man*" -prune -o \
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-path "/run/host/usr/lib*" -prune -o \
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-type f -iname "*nvidia*" -print 2</dev/null || :)"
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for nvidia_file in ${NVIDIA_FILES}; do
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dest_file="$(printf "%s" "${nvidia_file}" | sed 's|/run/host||g')"
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bmount "${nvidia_file}" "${dest_file}" ro
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done
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# Then we find all the ".so" libraries, there are searched separately
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# because we need to extract the relative path to mount them in the
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# correct path based on the guest's setup
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NVIDIA_LIBS="$(find /run/host/usr/lib* \
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-iname "*nvidia*.so*" \
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-o -iname "libcuda*.so*" \
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-o -iname "libnvcuvid*.so*" \
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-o -iname "libnvoptix*.so*" ||
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:)"
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for nvidia_lib in ${NVIDIA_LIBS}; do
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dest_file="$(printf "%s" "${nvidia_lib}" |
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sed 's|/run/host/usr/lib/x86_64-linux-gnu/||g' |
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sed 's|/run/host/usr/lib64/||g' |
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sed 's|/run/host/usr/lib/||g')"
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# In the guest we need to adjust the destination path, so if we're on
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# debian based containers, we need to target /usr/lib/x86_64-linux-gnu/
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if [ -e "/usr/lib/x86_64-linux-gnu/" ]; then
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bmount "${nvidia_lib}" "/usr/lib/x86_64-linux-gnu/${dest_file}" ro
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# /usr/lib64 is common in rpm based distros
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elif [ -e "/usr/lib64" ]; then
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bmount "${nvidia_lib}" "/usr/lib64/${dest_file}" ro
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# fallback to /usr/lib if none of the previous
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else
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bmount "${nvidia_lib}" "/usr/lib/${dest_file}" ro
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fi
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done
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# Refresh ldconfig cache, also detect if there are empty files remaining
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# and clean them.
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# This could happen when upgrading drivers and changing versions.
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empty_libs="$(ldconfig 2>&1 | grep -Eo "File.*is empty" | cut -d' ' -f2)"
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if [ -n "${empty_libs}" ]; then
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# shellcheck disable=SC2086
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rm -f ${empty_libs}
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fi
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#######################################################################
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### Section START (based on https://github.com/89luca89/distrobox/blob/main/distrobox-init#L816)
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if [ -d "/usr/lib/rpm/" ]; then
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mkdir -p /usr/lib/rpm/macros.d
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net_mounts=""
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for net_mount in \
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${HOST_MOUNTS_RO} ${HOST_MOUNTS} \
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'/dev' '/proc' '/sys' '/tmp' \
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'/etc/host.conf' '/etc/hosts' '/etc/resolv.conf' '/etc/localtime' \
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'/usr/share/zoneinfo'; do
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net_mounts="${net_mount}:${net_mounts}"
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done
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net_mounts=${net_mounts%?}
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echo "%_netsharedpath ${net_mounts}" > /usr/lib/rpm/macros.d/macros.blend
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elif [ -d "/etc/dpkg/" ]; then
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mkdir -p /etc/dpkg/dpkg.cfg.d /etc/apt/apt.conf.d
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echo -n > /etc/dpkg/dpkg.cfg.d/00_blend
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for net_mount in ${HOST_MOUNTS_RO} ${HOST_MOUNTS} '/etc/hosts' '/etc/resolv.conf' '/etc/localtime'; do
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printf "path-exclude %s/*\n" "${net_mount}" >> /etc/dpkg/dpkg.cfg.d/00_blend
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done
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echo -n > /etc/apt/apt.conf.d/00_blend
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for init_mount in ${init_ro_mounts}; do
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printf 'DPkg::Pre-Invoke {"if findmnt %s >/dev/null; then umount -l %s; fi";};\n' \
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"${init_mount}" "${init_mount}" >> /etc/apt/apt.conf.d/00_blend
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printf 'DPkg::Post-Invoke {"if [ -e /run/host/%s ] || [ -e /run/host/$(readlink -fm /run/host/%s) ]; then mount --rbind $(readlink -fm /run/host/%s) %s 2>/dev/null || mount --rbind /run/host/$(readlink -fm /run/host/%s) %s; fi";};\n' \
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"${init_mount}" "${init_mount}" "${init_mount}" "${init_mount}" "${init_mount}" "${init_mount}" >> /etc/apt/apt.conf.d/00_blend
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done
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### Section END
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elif [ -d "/usr/share/libalpm/scripts" ]; then
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echo "#!/bin/sh" > /usr/share/libalpm/scripts/00_blend_pre_hook.sh
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echo "#!/bin/sh" > /usr/share/libalpm/scripts/01_blend_post_hook.sh
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echo "#!/bin/sh" > /usr/share/libalpm/scripts/02_blend_post_hook.sh
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for net_mount in ${HOST_MOUNTS_RO}; do
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echo "findmnt ${net_mount} &>/dev/null && umount ${net_mount} || :" >> /usr/share/libalpm/scripts/00_blend_pre_hook.sh
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echo "test -e /run/host/${net_mount} && mount --rbind -o ro /run/host/${net_mount} ${net_mount} || :" >> /usr/share/libalpm/scripts/02_blend_post_hook.sh
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done
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echo -e '#!/bin/sh\necho -e "#!/bin/sh\nexit 0" > /usr/share/libalpm/scripts/systemd-hook' >/usr/share/libalpm/scripts/01_blend_post_hook.sh
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chmod 755 /usr/share/libalpm/scripts/*blend*.sh
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for p in 00_blend_pre_hook 01_blend_post_hook 02_blend_post_hook; do
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when=PostTransaction
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[[ -z "${p##*pre*}" ]] && when=PreTransaction
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cat << EOF > "/usr/share/libalpm/hooks/${p}.hook"
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[Trigger]
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Operation = Install
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Operation = Upgrade
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Type = Package
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Target = *
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[Action]
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Description = blend ${p}
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When = ${when}
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Exec = /usr/share/libalpm/scripts/${p}.sh
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EOF
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done
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fi
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mkdir -p /etc/sudoers.d
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if ! grep -q 'Defaults !fqdn' /etc/sudoers.d/sudoers &>/dev/null; then
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printf "Defaults !fqdn\n" >> /etc/sudoers.d/sudoers
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fi
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if ! grep -q "\"${_uname}\" ALL = (root) NOPASSWD:ALL" /etc/sudoers.d/sudoers &>/dev/null; then
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printf "\"%s\" ALL = (root) NOPASSWD:ALL\n" "$_uname" >> /etc/sudoers.d/sudoers
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fi
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if [[ $_cuid -eq 1000 ]] && grep -q ubuntu /etc/passwd; then
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userdel -r ubuntu &>/dev/null
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groupdel ubuntu &> /dev/null
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grep -v ubuntu /etc/passwd > /etc/passwd.tmp
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grep -v ubuntu /etc/group > /etc/group.tmp
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mv /etc/passwd.tmp /etc/passwd
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mv /etc/group.tmp /etc/group
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fi
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if ! grep -q "^${_uname}:" /etc/group; then
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if ! groupadd --force --gid "$_cgid" "$_uname"; then
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printf "%s:x:%s:" "$_uname" "$_cgid" >> /etc/group
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fi
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fi
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useradd --uid "$_cuid" --gid "$_cgid" --shell "/bin/bash" --no-create-home --home "$_uhome" "$_uname" &>/dev/null
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chown root /etc/sudo.conf
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chown root /usr/bin/sudo
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chmod 4755 /usr/bin/sudo
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fi
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if ! command -v inotify-tools &>/dev/null; then
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if command -v apt-get &>/dev/null; then
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apt-get update &>/dev/null
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DEBIAN_FRONTEND=noninteractive apt-get -y install inotify-tools &>/dev/null
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elif command -v pacman &>/dev/null; then
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pacman --noconfirm -Syyu &>/dev/null
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pacman --noconfirm -Sy inotify-tools &>/dev/null
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elif command -v dnf &>/dev/null; then
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dnf install -y --allowerasing inotify-tools &>/dev/null
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fi
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fi
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source /run/.containerenv
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CONTAINER_NAME="$name"
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if [[ ! -f '/.init_blend.lock' ]] && command -v pacman &>/dev/null; then
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cd /; git clone https://aur.archlinux.org/yay.git &>/dev/null; cd yay
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chown -R "$_uname" . &>/log
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sudo -u "$_uname" makepkg --noconfirm -si &>/dev/null
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cd /; rm -rf yay
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touch /.init_blend.lock
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fi
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for full_file in /usr/bin/*; do
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if [[ -x "$full_file" ]]; then
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file="$(basename "${full_file}")"
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if [[ ! -f "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}" ]]; then
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mkdir -p "${HOME}/.local/bin/blend_bin"
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echo "#!/bin/bash" > "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}"
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echo '[ -f /run/.containerenv ] && { if [[ -e "/usr/bin/'"${file}"'" ]]; then /usr/bin/'"${file}"' "$@"; exit $?; else echo "This command can be accessed from the host, or from the container '"'${CONTAINER_NAME}'"'."; exit 127; fi } || :' >> "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}"
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echo 'BLEND_ALLOW_ROOT= BLEND_NO_CHECK= blend enter -cn '"${CONTAINER_NAME}"' -- '"${file}"' "$@"' >> "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}"
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chmod 755 "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}"
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fi
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fi
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done
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mkdir -p /usr/share/applications
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touch "/usr/share/applications/empty_file.desktop"
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for full_file in /usr/share/applications/*.desktop; do
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file="$(basename "${full_file}")"
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echo -n > "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
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while read -r line; do
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if [[ $line == Name* ]]; then
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echo "${line} (container ${CONTAINER_NAME})" >> "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
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elif [[ $line == Exec* ]]; then
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echo "Exec=blend enter -cn ${CONTAINER_NAME} -- ${line:5}" >> "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
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elif [[ $line == Icon* ]]; then
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if [[ -e "${line:5}" ]]; then
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mkdir -p "${HOME}/.local/share/blend/icons/${CONTAINER_NAME}_${file}"; cp "${line:5}" "${HOME}/.local/share/blend/icons/${CONTAINER_NAME}_${file}"
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echo "Icon=${HOME}/.local/share/blend/icons/${CONTAINER_NAME}_${file}/$(basename "${line:5}")" >> "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
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else
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ICON_PATH="$(find /usr/share/icons/hicolor -type f -iname "*${line:5}*" -print -quit 2>/dev/null)"
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mkdir -p "$(dirname "${ICON_PATH}" | sed 's/\/usr\/share/'"\/home\/${_uname}"'\/.local\/share/g')"
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FINAL_ICON_PATH="$(dirname "${ICON_PATH}" | sed 's/\/usr\/share/'"\/home\/${_uname}"'\/.local\/share/g')/$(echo "${file%.*}").$(basename "${ICON_PATH}" | sed 's/^.*\.//')"
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cp "${ICON_PATH}" "${FINAL_ICON_PATH}" &>/dev/null
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echo "Icon=${FINAL_ICON_PATH}" >> "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
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fi
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else
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echo "$line" >> "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
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fi
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done < "/usr/share/applications/${file}"
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sed -i 's/DBusActivatable=true/DBusActivatable=false/g' "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
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sed -i '/^TryExec/d' "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
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chmod 755 "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
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done
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echo "Started container."
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mkdir -p /usr/share/applications /usr/bin
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inotifywait -m /usr/share/applications /usr/bin -e create,delete,move 2>/dev/null |
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while read dir action file; do
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( if [[ "$dir" == "/usr/bin/" ]]; then
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if [[ "$action" == *"CREATE"* ]]; then
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if [[ ! -f "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}" ]] && [[ -x "/usr/bin/${file}" ]]; then
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mkdir -p "${HOME}/.local/bin/blend_bin"
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echo "#!/bin/bash" > "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}"
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echo '[ -f /run/.containerenv ] && { if [[ -e "/usr/bin/'"${file}"'" ]]; then /usr/bin/'"${file}"' "$@"; exit $?; else echo "This command can be accessed from the host, or from the container '"'${CONTAINER_NAME}'"'."; exit 127; fi } || :' >> "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}"
|
|
echo 'BLEND_ALLOW_ROOT= BLEND_NO_CHECK= blend enter -cn '"${CONTAINER_NAME}"' -- '"${file}"' "$@"' >> "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}"
|
|
chmod 755 "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}"
|
|
fi
|
|
elif [[ "$action" == *"DELETE"* ]]; then
|
|
rm -f "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}"
|
|
elif [[ "$action" == *"MOVED_FROM"* ]]; then
|
|
rm -f "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}"
|
|
elif [[ "$action" == *"MOVED_TO"* ]]; then
|
|
if [[ ! -f "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}" ]] && [[ -x "/usr/bin/${file}" ]]; then
|
|
mkdir -p "${HOME}/.local/bin/blend_bin"
|
|
echo "#!/bin/bash" > "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}"
|
|
echo '[ -f /run/.containerenv ] && { if [[ -e "/usr/bin/'"${file}"'" ]]; then /usr/bin/'"${file}"' "$@"; exit $?; else echo "This command can be accessed from the host, or from the container '"'${CONTAINER_NAME}'"'."; exit 127; fi } || :' >> "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}"
|
|
echo 'BLEND_ALLOW_ROOT= BLEND_NO_CHECK= blend enter -cn '"${CONTAINER_NAME}"' -- '"${file}"' "$@"' >> "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}"
|
|
chmod 755 "${HOME}/.local/bin/blend_bin/${file}.${CONTAINER_NAME}"
|
|
fi
|
|
fi
|
|
fi ) &
|
|
( if [[ "$dir" == "/usr/share/applications/" ]]; then
|
|
if [[ "$action" == *"CREATE"* ]] || [[ "$action" == *"MOVED_TO"* ]]; then
|
|
if [[ "$file" == *'.desktop' ]]; then
|
|
echo -n > "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
|
|
|
|
while read -r line; do
|
|
if [[ $line == Name* ]]; then
|
|
echo "${line} (${CONTAINER_NAME})" >> "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
|
|
elif [[ $line == Exec* ]]; then
|
|
echo "Exec=blend enter -cn ${CONTAINER_NAME} -- ${line:5}" >> "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
|
|
elif [[ $line == Icon* ]]; then
|
|
if [[ -e "${line:5}" ]]; then
|
|
mkdir -p "${HOME}/.local/share/blend/icons/${CONTAINER_NAME}_${file}"; cp "${line:5}" "${HOME}/.local/share/blend/icons/${CONTAINER_NAME}_${file}"
|
|
echo "Icon=${HOME}/.local/share/blend/icons/${CONTAINER_NAME}_${file}/$(basename "${line:5}")" >> "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
|
|
else
|
|
ICON_PATH="$(find /usr/share/icons/hicolor -type f -iname "*${line:5}*" -print -quit 2>/dev/null)"
|
|
mkdir -p "$(dirname "${ICON_PATH}" | sed 's/\/usr\/share/'"\/home\/${_uname}"'\/.local\/share/g')"
|
|
FINAL_ICON_PATH="$(dirname "${ICON_PATH}" | sed 's/\/usr\/share/'"\/home\/${_uname}"'\/.local\/share/g')/$(echo "${file%.*}").$(basename "${ICON_PATH}" | sed 's/^.*\.//')"
|
|
cp "${ICON_PATH}" "${FINAL_ICON_PATH}" &>/dev/null
|
|
echo "Icon=${FINAL_ICON_PATH}" >> "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
|
|
fi
|
|
else
|
|
echo "$line" >> "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
|
|
fi
|
|
done < "/usr/share/applications/${file}"
|
|
|
|
sed -i 's/DBusActivatable=true/DBusActivatable=false/g' "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
|
|
sed -i '/^TryExec/d' "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
|
|
|
|
chmod 755 "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
|
|
fi
|
|
elif [[ "$action" == *"DELETE"* ]]; then
|
|
rm -f "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
|
|
elif [[ "$action" == *"MOVED_FROM"* ]]; then
|
|
rm -f "${HOME}/.local/share/applications/blend;${CONTAINER_NAME};${file}"
|
|
fi
|
|
fi ) &
|
|
done &
|
|
|
|
while true; do
|
|
for i in /etc/hosts /etc/localtime /etc/resolv.conf; do
|
|
cp "/run/host/${i}" / &>/dev/null || :
|
|
done
|
|
sleep 5
|
|
done
|