66 lines
2.0 KiB
Bash
Executable File
66 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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# Parse arguments
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while [[ $# -gt 0 ]]; do
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case $1 in
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--help|-h)
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echo "Usage: $0 [OPTIONS]"
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echo ""
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echo "Rotate to the next wallpaper in the configured list."
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echo ""
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echo "This script increments the currentIndex in home/wallpapers/default.nix,"
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echo "cycling through available wallpapers. Rebuild your system to apply"
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echo "the new wallpaper."
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echo ""
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echo "Options:"
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echo " --help, -h Show this help message"
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exit 0
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;;
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*)
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echo "Unknown option: $1"
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echo "Use --help for usage information"
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exit 1
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;;
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esac
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done
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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# Configuration
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REPO_ROOT="${REPO_ROOT:-$(git rev-parse --show-toplevel 2>/dev/null || pwd)}"
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WALLPAPER_FILE="$REPO_ROOT/home/wallpapers/default.nix"
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echo -e "${GREEN}Rotating wallpaper...${NC}"
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# Check if file exists
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if [[ ! -f "$WALLPAPER_FILE" ]]; then
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echo -e "${RED}Error: $WALLPAPER_FILE not found${NC}"
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exit 1
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fi
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# Get current index
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CURRENT_INDEX=$(grep -oP 'currentIndex = \K\d+' "$WALLPAPER_FILE")
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echo -e "Current index: ${YELLOW}$CURRENT_INDEX${NC}"
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# Count wallpapers (count occurrences of "name = " in the wallpapers list)
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WALLPAPER_COUNT=$(grep -c 'name = "' "$WALLPAPER_FILE")
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echo -e "Total wallpapers: ${YELLOW}$WALLPAPER_COUNT${NC}"
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# Calculate next index (wrap around)
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NEXT_INDEX=$(( (CURRENT_INDEX + 1) % WALLPAPER_COUNT ))
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echo -e "Next index: ${YELLOW}$NEXT_INDEX${NC}"
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# Update the currentIndex
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sed -i "s/currentIndex = $CURRENT_INDEX;/currentIndex = $NEXT_INDEX;/" "$WALLPAPER_FILE"
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echo -e "${GREEN}Successfully rotated wallpaper!${NC}"
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echo -e " Old index: ${YELLOW}$CURRENT_INDEX${NC}"
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echo -e " New index: ${YELLOW}$NEXT_INDEX${NC}"
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echo ""
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echo "Rebuild your system to apply the new wallpaper."
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