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Add moonarch-waybar-updates script that checks for available updates from both official repos (checkupdates) and AUR (paru -Qua). Uses a cache mechanism to avoid excessive mirror hits while still detecting freshly installed updates within 60 seconds.
69 lines
1.8 KiB
Bash
Executable File
69 lines
1.8 KiB
Bash
Executable File
#!/usr/bin/bash
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# ABOUTME: Waybar module that checks for available package updates with caching.
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# ABOUTME: Combines pacman repo updates (checkupdates) and AUR updates (paru -Qua).
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CACHE_DIR="${XDG_CACHE_HOME:-$HOME/.cache}/moonarch"
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CACHE_FILE="$CACHE_DIR/waybar-updates"
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PACMAN_DB="/var/lib/pacman/local"
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MAX_AGE=3600
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mkdir -p "$CACHE_DIR"
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needs_refresh() {
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# No cache yet
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[[ ! -f "$CACHE_FILE" ]] && return 0
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# Pacman DB changed since last check (update was installed)
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[[ "$PACMAN_DB" -nt "$CACHE_FILE" ]] && return 0
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# Cache older than MAX_AGE
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local age=$(( $(date +%s) - $(stat -c %Y "$CACHE_FILE") ))
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[[ "$age" -ge "$MAX_AGE" ]] && return 0
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return 1
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}
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if needs_refresh; then
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repo_updates=$(checkupdates 2>/dev/null)
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repo_count=0
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if [[ -n "$repo_updates" ]]; then
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repo_count=$(echo "$repo_updates" | wc -l)
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fi
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aur_updates=""
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aur_count=0
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if command -v paru &>/dev/null; then
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aur_updates=$(paru -Qua 2>/dev/null)
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if [[ -n "$aur_updates" ]]; then
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aur_count=$(echo "$aur_updates" | wc -l)
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fi
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fi
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total=$((repo_count + aur_count))
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if [[ "$total" -eq 0 ]]; then
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echo "" > "$CACHE_FILE"
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exit 0
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fi
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# Build tooltip with package lists
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tooltip=""
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if [[ -n "$repo_updates" ]]; then
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tooltip+="Repo ($repo_count):"$'\n'"$repo_updates"
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fi
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if [[ -n "$aur_updates" ]]; then
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[[ -n "$tooltip" ]] && tooltip+=$'\n\n'
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tooltip+="AUR ($aur_count):"$'\n'"$aur_updates"
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fi
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jq --compact-output -n \
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--arg text "$total" \
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--arg alt "has-updates" \
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--arg tooltip "$tooltip" \
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--arg class "has-updates" \
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'{text: $text, alt: $alt, tooltip: $tooltip, class: $class}' > "$CACHE_FILE"
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fi
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# Output cached result (empty cache = no updates = module hidden)
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cat "$CACHE_FILE"
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