switch_wallpaper.sh(файл создан)
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| 1 | + | #!/bin/bash | |
| 2 | + | set -e | |
| 3 | + | ||
| 4 | + | # Help function | |
| 5 | + | usage() { | |
| 6 | + | echo "Usage: sudo $0 <path-to-image>" | |
| 7 | + | echo "Changes the GDM background to the specified image." | |
| 8 | + | echo "Note: This script must be run as root." | |
| 9 | + | exit 1 | |
| 10 | + | } | |
| 11 | + | ||
| 12 | + | # Check for root | |
| 13 | + | if [ "$EUID" -ne 0 ]; then | |
| 14 | + | echo "Error: This script must be run as root." | |
| 15 | + | exit 1 | |
| 16 | + | fi | |
| 17 | + | ||
| 18 | + | # Check arguments | |
| 19 | + | TARGET_IMAGE="$1" | |
| 20 | + | if [ -z "$TARGET_IMAGE" ]; then | |
| 21 | + | usage | |
| 22 | + | fi | |
| 23 | + | ||
| 24 | + | if [ ! -f "$TARGET_IMAGE" ]; then | |
| 25 | + | echo "Error: Image file '$TARGET_IMAGE' not found." | |
| 26 | + | exit 1 | |
| 27 | + | fi | |
| 28 | + | ||
| 29 | + | # Check dependencies | |
| 30 | + | if ! command -v glib-compile-resources &> /dev/null; then | |
| 31 | + | echo "Error: 'glib-compile-resources' is not installed." | |
| 32 | + | echo "Please install 'libglib2.0-dev-bin' (Ubuntu/Debian) or 'glib2-devel' (Fedora)." | |
| 33 | + | exit 1 | |
| 34 | + | fi | |
| 35 | + | ||
| 36 | + | # Define Paths | |
| 37 | + | REPO_DIR="$(dirname "$(readlink -m "${0}")")" | |
| 38 | + | THEME_ASSETS_DIR="${REPO_DIR}/other/gdm/theme" | |
| 39 | + | XML_FILE="${REPO_DIR}/other/gdm/gnome-shell-theme.gresource.xml" | |
| 40 | + | WORK_DIR="/tmp/gdm-switch-wallpaper-work" | |
| 41 | + | ||
| 42 | + | # Targeted GDM theme files (Priority order based on lib-core.sh) | |
| 43 | + | POP_OS_GR_FILE="/usr/share/gnome-shell/theme/Pop/gnome-shell-theme.gresource" | |
| 44 | + | YARU_GR_FILE="/usr/share/gnome-shell/theme/Yaru/gnome-shell-theme.gresource" | |
| 45 | + | ZORIN_GR_DARK_FILE="/usr/share/gnome-shell/theme/ZorinBlue-Dark/gnome-shell-theme.gresource" | |
| 46 | + | ZORIN_GR_LIGHT_FILE="/usr/share/gnome-shell/theme/ZorinBlue-Light/gnome-shell-theme.gresource" | |
| 47 | + | MISC_GR_FILE="/usr/share/gnome-shell/gnome-shell-theme.gresource" | |
| 48 | + | ||
| 49 | + | # Find which theme file is in use | |
| 50 | + | TARGET_FILE="" | |
| 51 | + | if [ -f "$POP_OS_GR_FILE" ]; then | |
| 52 | + | TARGET_FILE="$POP_OS_GR_FILE" | |
| 53 | + | elif [ -f "$YARU_GR_FILE" ]; then | |
| 54 | + | TARGET_FILE="$YARU_GR_FILE" | |
| 55 | + | elif [ -f "$ZORIN_GR_DARK_FILE" ]; then | |
| 56 | + | TARGET_FILE="$ZORIN_GR_DARK_FILE" | |
| 57 | + | elif [ -f "$ZORIN_GR_LIGHT_FILE" ]; then | |
| 58 | + | TARGET_FILE="$ZORIN_GR_LIGHT_FILE" | |
| 59 | + | elif [ -f "$MISC_GR_FILE" ]; then | |
| 60 | + | TARGET_FILE="$MISC_GR_FILE" | |
| 61 | + | else | |
| 62 | + | echo "Error: Could not find any supported GDM theme .gresource file." | |
| 63 | + | exit 1 | |
| 64 | + | fi | |
| 65 | + | ||
| 66 | + | echo "Target GDM theme file: $TARGET_FILE" | |
| 67 | + | ||
| 68 | + | # Prepare Workspace | |
| 69 | + | echo "Preparing temporary workspace at $WORK_DIR..." | |
| 70 | + | rm -rf "$WORK_DIR" | |
| 71 | + | mkdir -p "$WORK_DIR" | |
| 72 | + | ||
| 73 | + | # Copy base theme assets | |
| 74 | + | if [ ! -d "$THEME_ASSETS_DIR" ]; then | |
| 75 | + | echo "Error: Theme assets not found at $THEME_ASSETS_DIR" | |
| 76 | + | exit 1 | |
| 77 | + | fi | |
| 78 | + | cp -r "$THEME_ASSETS_DIR"/* "$WORK_DIR/" | |
| 79 | + | ||
| 80 | + | # Copy and rename the new background image | |
| 81 | + | echo "Processing background image..." | |
| 82 | + | cp "$TARGET_IMAGE" "$WORK_DIR/background.png" | |
| 83 | + | ||
| 84 | + | # Backup existing theme file | |
| 85 | + | if [ ! -f "${TARGET_FILE}.bak" ]; then | |
| 86 | + | echo "Backing up original theme to ${TARGET_FILE}.bak..." | |
| 87 | + | cp "$TARGET_FILE" "${TARGET_FILE}.bak" | |
| 88 | + | else | |
| 89 | + | echo "Backup already exists at ${TARGET_FILE}.bak, skipping backup." | |
| 90 | + | fi | |
| 91 | + | ||
| 92 | + | # Compile Resources | |
| 93 | + | echo "Compiling GDM resources..." | |
| 94 | + | glib-compile-resources \ | |
| 95 | + | --sourcedir="$WORK_DIR" \ | |
| 96 | + | --target="$TARGET_FILE" \ | |
| 97 | + | "$XML_FILE" | |
| 98 | + | ||
| 99 | + | # Cleanup | |
| 100 | + | rm -rf "$WORK_DIR" | |
| 101 | + | ||
| 102 | + | echo "Success! GDM background has been updated." | |
| 103 | + | echo "You may need to restart GDM or reboot to see the changes." | |
| 104 | + | echo " - To restart GDM: sudo systemctl restart gdm" | |
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