mirror of
https://github.com/Kron4ek/Conty
synced 2024-12-26 09:58:38 +01:00
make help more readable
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ghtm2
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1 changed files with 129 additions and 108 deletions
237
conty-start.sh
237
conty-start.sh
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@ -1,24 +1,138 @@
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#!/usr/bin/env bash
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#!/usr/bin/env bash
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## Dependencies: bash gzip fuse2 (or fuse3) tar coreutils
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## Dependencies: bash gzip fuse2 (or fuse3) tar coreutils
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# Prevent launching as root
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msg_root="
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if [ $EUID = 0 ] && [ -z "$ALLOW_ROOT" ]; then
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Do not run this script as root!
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echo "Do not run this script as root!"
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echo
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echo "If you really need to run it as root and you know what you are doing,"
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echo "set the ALLOW_ROOT environment variable."
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exit 1
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If you really need to run it as root and know what you are doing, set
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the ALLOW_ROOT environment variable.
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"
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# Refuse to run as root unless environment variable is set
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if (( EUID == 0 )) && [ -z "$ALLOW_ROOT" ]; then
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echo "${msg_root}"
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exit 1
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fi
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fi
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# Conty version
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script_version="1.21.3"
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script_version="1.21.3"
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# Important variables to manually adjust after modification!
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# Needed to avoid problems with mounting due to an incorrect offset.
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script_size=25161
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utils_size=2507588
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# Full path to the script
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# Full path to the script
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script_literal="${BASH_SOURCE[0]}"
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script_literal="${BASH_SOURCE[0]}"
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script_name="$(basename "${script_literal}")"
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script_name="$(basename "${script_literal}")"
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script="$(readlink -f "${script_literal}")"
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script="$(readlink -f "${script_literal}")"
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# Help output
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msg_help="
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Usage: ${script_name} [COMMAND] [ARGUMENTS]
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Arguments:
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-e Extract the image
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-h Display this text
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-H Display bubblewrap help
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-l Show a list of all installed packages
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-m Mount/unmount the image
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The image will be mounted if it's not, unmounted otherwise.
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Mount point can be changed with the BASE_DIR env variable
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(the default is /tmp).
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-o Show the image offset
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-u Update all packages inside the container
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This requires a rebuild of the image, which may take quite
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a lot of time, depending on your hardware and internet speed.
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Additional disk space (about 6x the size of the current file)
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is needed during the update process.
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-U Same as -u with the addition of updating the init script and
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the integrated utils. This option may break Conty in some cases,
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use with caution!
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-v Display version of this script
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-V Display version of the image
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Arguments that don't match any of the above will be passed directly to
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bubblewrap, so all bubblewrap arguments are supported as well.
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Environment variables:
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BASE_DIR Sets a custom directory where Conty will extract its
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builtin utilities and mount the image.
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The default is /tmp.
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DISABLE_NET Disables network access.
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DISABLE_X11 Disables access to X server.
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Note: Even with this variable enabled applications
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can still access your X server if it doesn't use
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XAUTHORITY and listens to the abstract socket. This
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can be solved by enabling XAUTHORITY, disabling the
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abstract socket or by disabling network access.
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HOME_DIR Sets the home directory to a custom location.
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For example: HOME_DIR=\"$HOME/custom_home\"
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Note: If this variable is set the home directory
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inside the container will still appear as $HOME,
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even though the custom directory is used.
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QUIET_MODE Disables all non-error Conty messages.
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Doesn't affect the output of applications.
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SANDBOX Enables a sandbox.
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To control which files and directories are available
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inside the container, you can use the --bind and
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--ro-bind launch arguments.
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(See bubblewrap help for more info).
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SANDBOX_LEVEL Controls the strictness of the sandbox.
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Available levels:
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1: Isolates all user files.
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2: Additionally disables dbus and hides all
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running processes.
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3: Additionally disables network access and
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isolates X11 server with Xephyr.
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The default is 1.
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USE_SYS_UTILS Tells the script to use squashfuse/dwarfs and bwrap
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installed on the system instead of the builtin ones.
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XEPHYR_SIZE Sets the size of the Xephyr window. The default is
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800x600.
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Additional notes:
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System directories/files will not be available inside the container if
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you set the SANDBOX variable but don't bind (mount) any items or set
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HOME_DIR. A fake temporary home directory will be used instead.
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If the executed script is a symlink with a different name, said name
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will be used as the command name.
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For instance, if the script is a symlink with the name \"wine\" it will
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automatically run wine during launch.
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Besides updating all packages, you can also install and remove packages
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using the same -u (or -U) argument. To install packages add them as
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additional arguments, to remove add a minus sign (-) before their names.
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To install: ${script_name} -u pkgname1 pkgname2 pkgname3 ...
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To remove: ${script_name} -u -pkgname1 -pkgname2 -pkgname3 ...
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In this case Conty will update all packages and additionally install
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and/or remove specified packages.
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If you are using an Nvidia GPU, please read the following:
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https://github.com/Kron4ek/Conty#known-issues
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"
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# MD5 of the last 1 MB of the file
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# MD5 of the last 1 MB of the file
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script_md5="$(tail -c 1000000 "${script}" | md5sum | head -c 7)"
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script_md5="$(tail -c 1000000 "${script}" | md5sum | head -c 7)"
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@ -39,17 +153,8 @@ fi
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mount_point="${working_dir}"/mnt
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mount_point="${working_dir}"/mnt
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# It is important to set correct sizes below, otherwise there will be
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# a problem with mounting the image due to an incorrectly calculated offset.
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# The size of this script
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scriptsize=26179
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# The size of the utils archive
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utilssize=2507588
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# Offset where the image is stored
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# Offset where the image is stored
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offset=$((scriptsize+utilssize))
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offset=$((script_size+utils_size))
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# Detect if the image is compressed with DwarFS or SquashFS
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# Detect if the image is compressed with DwarFS or SquashFS
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if [ "$(tail -c +$((offset+1)) "${script}" | head -c 6)" = "DWARFS" ]; then
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if [ "$(tail -c +$((offset+1)) "${script}" | head -c 6)" = "DWARFS" ]; then
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@ -71,98 +176,14 @@ if [ -L "${script_literal}" ]; then
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fi
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fi
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if [ -z "${script_is_symlink}" ]; then
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if [ -z "${script_is_symlink}" ]; then
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if [ "$1" = "--help" ] || [ "$1" = "-h" ] || [ -z "$1" ]; then
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if [ "$1" = "-h" ] || [ -z "$1" ]; then
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echo "Usage: ./conty.sh command command_arguments"
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echo "${msg_help}"
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echo
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echo "Arguments:"
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echo
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echo -e "-v \tShow version of this script"
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echo -e "-V \tShow version of the image"
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echo -e "-e \tExtract the image"
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echo -e "-o \tShow the image offset"
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echo -e "-l \tShow a list of all installed packages"
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echo -e "-m \tMount/unmount the image"
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echo -e "\tThe image will be mounted if it's not mounted, and unmounted otherwise."
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echo -e "\tMount point can be changed with the BASE_DIR env variable"
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echo -e "\t(the default is /tmp)."
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echo -e "-u \tUpdate all packages inside the container"
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echo -e "\tThis will update all packages inside the container and will rebuild"
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echo -e "\tthe image. This may take quite a lot of time, depending"
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echo -e "\ton your hardware and internet speed. Additional disk space"
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echo -e "\t(about 6x the size of the current file) is needed during"
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echo -e "\tthe update process."
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echo -e "-U \tThe same as -u but will also update the init script (conty-start.sh)"
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echo -e "\tand the integrated utils. This option may break Conty in some cases,"
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echo -e "\tuse with caution."
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echo -e "-H \tShow the bubblewrap help"
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echo
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echo "Arguments that don't match any of the above will be passed directly to"
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echo "bubblewrap. So all bubblewrap arguments are supported as well."
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echo
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echo "Environment variables:"
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echo
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echo -e "DISABLE_NET \tDisables network access"
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echo -e "DISABLE_X11 \tDisables access to X server"
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echo -e "\t\tNote that even with this variable enabled applications can"
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echo -e "\t\tstill access your X server if it does not use XAUTHORITY and"
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echo -e "\t\tlistens to abstract socket. This can be solved by enabling"
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echo -e "\t\tXAUTHORITY or disabling the abstract socket or disabling"
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echo -e "\t\tnetwork access."
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echo -e "SANDBOX \tEnables sandbox"
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echo -e "\t\tTo control which files and directories are available inside"
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echo -e "\t\tthe container when SANDBOX is enabled, you can use the --bind"
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echo -e "\t\tand --ro-bind launch arguments (see the bubblewrap help for"
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echo -e "\t\tmore info)."
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echo -e "SANDBOX_LEVEL \tControls the strictness of the sandbox"
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echo -e "\t\tAvailable levels are 1-3. The default is 1."
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echo -e "\t\tLevel 1 isolates all user files."
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echo -e "\t\tLevel 2 isolates all user files, disables dbus and hides"
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echo -e "\t\tall running processes."
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echo -e "\t\tLevel 3 does the same as the level 2, but additionally"
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echo -e "\t\tdisables network access and isolates X11 server with Xephyr."
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echo -e "XEPHYR_SIZE \tSets the size of the Xephyr window. The default is 800x600."
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echo -e "HOME_DIR \tSets the HOME directory to a custom location."
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echo -e "\t\tFor example, HOME_DIR=\"/home/username/custom_home\""
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echo -e "\t\tIf you set this, HOME inside the container will still appear"
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echo -e "\t\tas /home/username, but actually a custom directory will be"
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echo -e "\t\tused for it."
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echo -e "USE_SYS_UTILS \tMakes the script to use squashfuse/dwarfs and bwrap"
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echo -e "\t\tinstalled on the system instead of the builtin ones."
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echo -e "BASE_DIR \tSets a custom directory where Conty will extract"
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echo -e "\t\tits builtin utilities and mount the image."
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echo -e "\t\tThe default location is /tmp."
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echo -e "QUIET_MODE \tDisables all non-error Conty messages."
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echo -e "\t\tDoesn't affect the output of applications."
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echo
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echo "Additional notes:"
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echo
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echo "If you enable SANDBOX but don't bind (mount) any items or don't set HOME_DIR,"
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echo "then no system directories/files will be available at all inside the container"
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echo "and a fake temporary HOME directory will be used."
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echo
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echo "If the script is a symlink to itself but with a different name,"
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echo "then the symlinked script will automatically run a program according"
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echo "to its name. For instance, if the script is a symlink with the name \"wine\","
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echo "then it will automatically run wine during launch."
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echo
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echo "Besides updating all packages, you can also remove and install packages using"
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echo "the same -u (or -U) argument. To install packages add them as additional"
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echo "arguments, and to remove packages add a minus sign (-) before their names."
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echo "To install: ./conty.sh -u pkgname1 pkgname2 pkgname3"
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echo "To remove: ./conty.sh -u -pkgname1 -pkgname2 -pkgname3"
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echo "In this case Conty will update all packages and will additionally"
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echo "install and/or remove specified packages."
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echo
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echo "If you are using an Nvidia GPU, please read the information"
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echo "here: https://github.com/Kron4ek/Conty#known-issues"
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exit
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exit
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elif [ "$1" = "-v" ]; then
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elif [ "$1" = "-v" ]; then
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echo "${script_version}"
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echo "${script_version}"
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exit
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exit
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elif [ "$1" = "-o" ]; then
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elif [ "$1" = "-o" ]; then
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echo "${offset}"
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echo "${offset}"
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exit
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exit
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fi
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fi
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fi
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fi
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@ -268,7 +289,7 @@ if [ "${USE_SYS_UTILS}" != 1 ]; then
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bwrap="${working_dir}"/utils/bwrap
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bwrap="${working_dir}"/utils/bwrap
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if [ ! -f "${mount_tool}" ] || [ ! -f "${bwrap}" ]; then
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if [ ! -f "${mount_tool}" ] || [ ! -f "${bwrap}" ]; then
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tail -c +$((scriptsize+1)) "${script}" | head -c "${utilssize}" | tar -C "${working_dir}" -zxf -
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tail -c +$((script_size+1)) "${script}" | head -c "${utils_size}" | tar -C "${working_dir}" -zxf -
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if [ ! -f "${mount_tool}" ] || [ ! -f "${bwrap}" ]; then
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if [ ! -f "${mount_tool}" ] || [ ! -f "${bwrap}" ]; then
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clear
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clear
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@ -376,7 +397,7 @@ if { [ "$1" = "-u" ] || [ "$1" = "-U" ]; } && [ -z "${script_is_symlink}" ]; the
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fi
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fi
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fi
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fi
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tail -c +$((scriptsize+1)) "${script}" | head -c "${utilssize}" | tar -C "${update_temp_dir}" -zxf -
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tail -c +$((script_size+1)) "${script}" | head -c "${utils_size}" | tar -C "${update_temp_dir}" -zxf -
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if [ "${dwarfs_image}" = 1 ]; then
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if [ "${dwarfs_image}" = 1 ]; then
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chmod +x utils/dwarfsextract 2>/dev/null
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chmod +x utils/dwarfsextract 2>/dev/null
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@ -445,8 +466,8 @@ if { [ "$1" = "-u" ] || [ "$1" = "-U" ]; } && [ -z "${script_is_symlink}" ]; the
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if [ ! -s conty-start.sh ] || [ ! -s utils.tar.gz ]; then
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if [ ! -s conty-start.sh ] || [ ! -s utils.tar.gz ]; then
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echo "Extracting the init script and the integrated utils"
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echo "Extracting the init script and the integrated utils"
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tail -c +$((scriptsize+1)) "${script}" | head -c "${utilssize}" > utils.tar.gz
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tail -c +$((script_size+1)) "${script}" | head -c "${utils_size}" > utils.tar.gz
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head -c "${scriptsize}" "${script}" > conty-start.sh
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head -c "${script_size}" "${script}" > conty-start.sh
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fi
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fi
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# Check if there are additional arguments passed
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# Check if there are additional arguments passed
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||||||
Loading…
Reference in a new issue