文件操作 - run-initial-setup

文件: /usr/libexec/initial-setup/run-initial-setup

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#!/bin/bash

IS_TEXT="/usr/libexec/initial-setup/initial-setup-text"
IS_GRAPHICAL="/usr/libexec/initial-setup/initial-setup-graphical"
IS_UNIT=initial-setup.service
IS_UNIT_TEXT=initial-setup-text.service
IS_UNIT_GRAPHICAL=initial-setup-graphical.service
TEXT_UNIT_ENABLED=0
GRAPHICAL_UNIT_ENABLED=0
GUI_INSTALLED=0

# systemd targets
GRAPHICAL_TARGET=/usr/lib/systemd/system/graphical.target
CURRENT_DEFAULT_TARGET=$(readlink -e /etc/systemd/system/default.target)

WINDOWMANAGER_SCRIPT="/usr/libexec/initial-setup/firstboot-windowmanager"

START_GUI_COMMAND="/bin/xinit ${WINDOWMANAGER_SCRIPT} ${IS_GRAPHICAL} --no-stdout-log -- /bin/Xorg :9 -ac -nolisten tcp"

# check if the text and graphical services are enabled
# Note: These services are deprecated and only supported for backward compatibility,
#       use initial-setup.service instead.
systemctl -q is-enabled $IS_UNIT_TEXT && TEXT_UNIT_ENABLED=1
systemctl -q is-enabled $IS_UNIT_GRAPHICAL 2>/dev/null && GRAPHICAL_UNIT_ENABLED=1

# check if the GUI is installed
if [ -f ${IS_GRAPHICAL} ]; then
    GUI_INSTALLED=1
fi

# check if graphical Initial Setup is installed
if [ $GUI_INSTALLED -eq 1 ]; then
    if [ $TEXT_UNIT_ENABLED -eq 1 ] && [ $GRAPHICAL_UNIT_ENABLED -eq 0 ]; then
        echo "Starting Initial Setup TUI" | systemd-cat -t initial-setup -p 6
        ${IS_TEXT} --no-stdout-log
    else
        # Don't run the GUI on text-only systems (default.target != graphical.target),
        # users are not expecting a graphical interface do start in such case
        # and there might not even be any displays connected.
        # But do run the GUI on text-only systems that have $DISPLAY defined,
        # as that basically indicated X-forwarding and might be used on the s390.
        if [ "$CURRENT_DEFAULT_TARGET" == "$GRAPHICAL_TARGET" ] || [ -n "$DISPLAY" ]; then
            echo "Starting Initial Setup GUI" | systemd-cat -t initial-setup -p 6
            if [ -n "$DISPLAY" ]; then
                # $DISPLAY being defined basically identifies X-forwarding. In such case
                # we want to run Initial Setup as an application and there is no need to
                # start our own X server and window manager.
                # And also tell Initial Setup to show window header, so that it's
                # window does not look out of place.
                ${IS_GRAPHICAL} --show-window-header  --stdout-log-level=info
            else
                # This is not X forwarding - start X server, window manager and then
                # graphical Initial Setup.
                ${START_GUI_COMMAND}
            fi
        else
            echo "Initial Setup GUI is installed, but default.target != graphical.target" | systemd-cat -t initial-setup -p 5
            echo "Starting Initial Setup TUI" | systemd-cat -t initial-setup -p 6
            ${IS_TEXT} --no-stdout-log
        fi
    fi
else
    echo "Starting Initial Setup TUI" | systemd-cat -t initial-setup -p 6
    ${IS_TEXT} --no-stdout-log
fi

# check if the Initial Setup run was successful by looking at the return code
if [ $? -eq 0 ]; then
    echo "Initial Setup finished successfully, disabling" | systemd-cat -t initial-setup -p 6
    # one service per line in case of some of the service files (such as the graphical service)
    # are not installed
    systemctl -q is-enabled $IS_UNIT && systemctl disable $IS_UNIT
    systemctl -q is-enabled $IS_UNIT_TEXT && systemctl disable $IS_UNIT_TEXT
    systemctl -q is-enabled $IS_UNIT_GRAPHICAL 2>/dev/null && systemctl disable $IS_UNIT_GRAPHICAL
    exit 0
else
    echo "Initial Setup failed, keeping enabled" | systemd-cat -t initial-setup -p 3
    exit 1
fi

文件操作 - run-initial-setup

文件: /usr/libexec/initial-setup/run-initial-setup

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