ditana-config-xfce.install

# Copyright (c) 2024, 2025 acrion innovations GmbH
# Authors: Stefan Zipproth, s.zipproth@acrion.ch
#
# This file is part of ditana-config-xfce, see https://github.com/acrion/ditana-config-xfce
#
# ditana-config-xfce is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# ditana-config-xfce is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with ditana-config-xfce. If not, see <https://www.gnu.org/licenses/>.

command_exists() {
    if command -v "$1" >/dev/null 2>&1; then
        echo "Command $1 exists" | tee >(systemd-cat -t ditana-config-xfce -p info)
        return 0
    else
        echo "Command $1 does not exist" | tee >(systemd-cat -t ditana-config-xfce -p info)
        return 1
    fi
}

post_install_or_upgrade() {
    # use identifier '# DITANA # ' prior comments to safely remove these before appending a new version
    sed -i '/^# DITANA # /d; /^TERMINAL=/d; /^QT_AUTO_SCREEN_SCALE_FACTOR=/d; /^QT_ENABLE_HIGHDPI_SCALING=/d; /^GTK_THEME=/d' /etc/environment

    cat <<EOF >> /etc/environment
# DITANA # https://wiki.archlinux.org/title/HiDPI#Qt_5
# DITANA # https://doc.qt.io/qt-5/highdpi.html
QT_AUTO_SCREEN_SCALE_FACTOR=1
QT_ENABLE_HIGHDPI_SCALING=1

# DITANA # This global variable serves as a fallback mechanism. It addresses the issue where
# DITANA # the 'gsettings set org.gnome.desktop.interface gtk-theme "Dracula"' command does not
# DITANA # affect certain applications under XFCE, such as pamac and nautilus. Setting GTK_THEME
# DITANA # ensures consistent application of the 'Dracula' theme across all interfaces.
GTK_THEME=Dracula
EOF

    echo "Modifying /usr/share/applications/mimeapps.list" | tee >(systemd-cat -t ditana-config-xfce -p info)
    if [[ -f /usr/share/applications/mimeapps.list ]]; then
        echo "mimeapps.list exists, modifying" | tee >(systemd-cat -t ditana-config-xfce -p info)
        sed -i '/text\/plain=/d' /usr/share/applications/mimeapps.list

        if command_exists code; then
            echo "text/plain=code.desktop" >> /usr/share/applications/mimeapps.list
            echo "Added code.desktop as text/plain handler" | tee >(systemd-cat -t ditana-config-xfce -p info)
        elif command_exists micro; then
            echo "text/plain=micro.desktop" >> /usr/share/applications/mimeapps.list
            echo "Added micro.desktop as text/plain handler" | tee >(systemd-cat -t ditana-config-xfce -p info)
        elif command_exists nvim; then
            echo "text/plain=nvim.desktop" >> /usr/share/applications/mimeapps.list
            echo "Added nvim.desktop as text/plain handler" | tee >(systemd-cat -t ditana-config-xfce -p info)
        elif command_exists vim; then
            echo "text/plain=vim.desktop" >> /usr/share/applications/mimeapps.list
            echo "Added vim.desktop as text/plain handler" | tee >(systemd-cat -t ditana-config-xfce -p info)
        else
            echo "No suitable text editor found" | tee >(systemd-cat -t ditana-config-xfce -p info)
        fi
    else
        echo "mimeapps.list does not exist" | tee >(systemd-cat -t ditana-config-xfce -p info)
    fi

    echo "Finished post_install_or_upgrade" | tee >(systemd-cat -t ditana-config-xfce -p debug)
}

post_install() {
    systemctl daemon-reload | tee >(systemd-cat -t ditana-config-xfce -p debug) 2>&1
    systemctl enable lightdm.service | tee >(systemd-cat -t ditana-config-xfce -p debug) 2>&1

    if ! grep -q '^greeter-session=lightdm-slick-greeter' /etc/lightdm/lightdm.conf; then
        sed -i 's/^#*\s*greeter-session=.*$/greeter-session=lightdm-slick-greeter/' /etc/lightdm/lightdm.conf
    fi

    if lspci -nn | grep -i 'vga.*nvidia' &> /dev/null; then
        cat << 'EOF' > /etc/profile.d/ditana-disable-dmabuf-for-webkit.sh
# This script disables the DMA-BUF renderer for WebKitGTK applications
# on systems with NVIDIA graphics cards. The issue affects both proprietary
# and open-source NVIDIA drivers, causing rendering problems. Disabling DMA-BUF
# forces WebKit to use software rendering for stability.
export WEBKIT_DISABLE_DMABUF_RENDERER=1
EOF
    fi

    post_install_or_upgrade
}

post_upgrade() {
    systemctl daemon-reload | tee >(systemd-cat -t ditana-config-xfce -p debug) 2>&1
    post_install_or_upgrade
}

pre_remove() {
    systemctl disable lightdm.service | tee >(systemd-cat -t ditana-config-xfce -p debug) 2>&1
}

post_remove() {
    systemctl daemon-reload | tee >(systemd-cat -t ditana-config-xfce -p debug) 2>&1
}