Preserve model caches and Docker networks during cleanup
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#!/usr/bin/env bash
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set -euo pipefail
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# Arch Sanity Cleanup Script (with rclone-mount exclusions)
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# - conservative defaults
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# - prompts before destructive actions
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# - avoids scanning rclone mounts (OneDrive/Nextcloud)
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# - preserves model caches and Docker networks (2026-09-10)
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# ----------------- CONFIG: set your rclone mountpoints here -----------------
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ONEDRIVE_MOUNT="${ONEDRIVE_MOUNT:-$HOME/OneDrive}"
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NEXTCLOUD_MOUNT="${NEXTCLOUD_MOUNT:-$HOME/Nextcloud}"
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EXCLUDE_PATHS=("$ONEDRIVE_MOUNT" "$NEXTCLOUD_MOUNT")
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# ---------------------------------------------------------------------------
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have() { command -v "$1" >/dev/null 2>&1; }
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hr() { printf "\n%s\n" "------------------------------------------------------------"; }
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ask() {
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local prompt="$1"
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read -r -p "$prompt [y/N] " reply
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[[ "${reply:-}" =~ ^[Yy]$ ]]
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}
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bytes_free_root() {
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df -B1 --output=avail / | tail -n1 | tr -d ' '
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}
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to_gib() {
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python - <<'PY'
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import sys
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b=int(sys.stdin.read().strip() or "0")
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print(f"{b/1024/1024/1024:.2f} GiB")
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PY
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}
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report_space() {
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local b
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b="$(bytes_free_root)"
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echo "Free space on / : $(printf "%s" "$b" | to_gib)"
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}
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is_mountpoint() {
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local p="$1"
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[[ -n "$p" ]] && mountpoint -q "$p" 2>/dev/null
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}
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du_safe() {
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# du with exclusions for rclone mounts
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local path="$1"
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shift || true
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local args=(du -sh)
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for ex in "${EXCLUDE_PATHS[@]}"; do
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args+=(--exclude="$ex")
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done
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"${args[@]}" "$path" "$@" 2>/dev/null || true
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}
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find_bigfiles_safe() {
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# find with pruning rclone mounts
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local root="$1"
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local minsize="$2" # e.g. +2G
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shift 2 || true
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# If the root itself is (or is under) a mount we want to exclude, bail.
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for ex in "${EXCLUDE_PATHS[@]}"; do
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[[ "$root" == "$ex" || "$root" == "$ex/"* ]] && return 0
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done
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# Build prune expression for all excluded paths that exist
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local prune=()
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for ex in "${EXCLUDE_PATHS[@]}"; do
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[[ -e "$ex" ]] && prune+=( -path "$ex" -o -path "$ex/*" -o )
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done
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if (( ${#prune[@]} > 0 )); then
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# Remove trailing -o
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unset 'prune[${#prune[@]}-1]'
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find "$root" \( "${prune[@]}" \) -prune -o -type f -size "$minsize" -printf "%10s %p\n" 2>/dev/null \
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| sort -nr | head -n 15 || true
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else
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find "$root" -type f -size "$minsize" -printf "%10s %p\n" 2>/dev/null \
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| sort -nr | head -n 15 || true
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fi
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}
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cleanup_safe_user_caches() {
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local cache_root="${1:-${XDG_CACHE_HOME:-$HOME/.cache}}"
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local dir
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echo "Gezielte User-Cache-Bereinigung: nur Thumbnail-/Fontconfig-Dateien aelter als 30 Tage."
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echo "Andere Caches, insbesondere Hugging-Face-Modelle, bleiben erhalten."
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if [[ -L "$cache_root" ]]; then
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echo "Cache-Wurzel ist ein Symlink; Bereinigung uebersprungen."
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return 0
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fi
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for dir in "$cache_root/thumbnails" "$cache_root/fontconfig"; do
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[[ -d "$dir" && ! -L "$dir" ]] || continue
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if is_mountpoint "$dir"; then
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echo "Mountpoint bleibt erhalten: $dir"
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continue
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fi
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du -sh "$dir" 2>/dev/null || true
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if ask "Alte Dateien in $dir entfernen?"; then
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find "$dir" -xdev -type f -mtime +30 -delete
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fi
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done
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}
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cleanup_docker_preserving_networks() {
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if ! docker info >/dev/null 2>&1; then
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echo "Docker nicht erreichbar; Bereinigung uebersprungen."
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return 0
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fi
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docker system df || true
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echo "Docker-Netze und Volumes bleiben bei dieser Bereinigung erhalten."
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if ask "Gestoppte Container, dangling Images und Build-Cache entfernen?"; then
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docker container prune -f
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docker image prune -f
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docker builder prune -f
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fi
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if ask "Auch alle ungenutzten Docker-Images entfernen (-a)?"; then
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docker image prune -a -f
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fi
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}
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# ----------------- intro -----------------
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hr
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echo "Arch Sanity Cleanup"
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echo "Date: $(date)"
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report_space
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hr
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echo "Excluding rclone mounts from scans:"
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for ex in "${EXCLUDE_PATHS[@]}"; do
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if [[ -e "$ex" ]]; then
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if is_mountpoint "$ex"; then
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echo " - $ex (mountpoint ✅ excluded)"
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else
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echo " - $ex (path exists, but not a mountpoint ⚠️ still excluded)"
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fi
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else
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echo " - $ex (not found ⚠️ will be ignored)"
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fi
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done
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# ----------------- quick size hints -----------------
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hr
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echo "Quick size hints (excluding rclone mounts; may take a bit):"
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for p in /var /var/cache /var/log "$HOME" "$HOME/.cache"; do
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[[ -e "$p" ]] && du_safe "$p"
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done
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# ----------------- pacman cache -----------------
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hr
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if [[ -d /var/cache/pacman/pkg ]]; then
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echo "Pacman cache size:"
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sudo du -sh /var/cache/pacman/pkg 2>/dev/null || true
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if have paccache; then
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echo
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echo "paccache available."
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echo " - paccache -r keeps last 3 versions (safe default)"
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echo " - paccache -rk1 keeps last 1 version (more aggressive)"
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if ask "Clean pacman cache (keep last 3 versions)?" ; then
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sudo paccache -r
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fi
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if ask "Also clean pacman cache more aggressively (keep last 1 version)?" ; then
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sudo paccache -rk1
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fi
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else
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echo "paccache not found. Install pacman-contrib for safer cache cleanup:"
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echo " sudo pacman -S pacman-contrib"
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if ask "Run 'sudo pacman -Sc' (removes uninstalled pkg cache)?" ; then
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sudo pacman -Sc
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fi
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fi
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fi
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# ----------------- orphan dependencies -----------------
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hr
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echo "Checking orphan packages (no longer required dependencies)..."
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orphans="$(pacman -Qtdq 2>/dev/null || true)"
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if [[ -n "${orphans}" ]]; then
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echo "Orphans found:"
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echo "${orphans}" | sed 's/^/ - /'
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if ask "Remove ALL orphan packages (sudo pacman -Rns ...) ?" ; then
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# shellcheck disable=SC2086
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sudo pacman -Rns ${orphans}
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fi
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else
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echo "No orphan packages found."
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fi
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# ----------------- foreign (AUR) info + yay cache -----------------
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hr
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echo "Foreign packages (usually AUR) installed:"
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foreign="$(pacman -Qm 2>/dev/null || true)"
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if [[ -n "${foreign}" ]]; then
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echo "${foreign}" | sed 's/^/ - /' | head -n 50
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[[ $(echo "${foreign}" | wc -l) -gt 50 ]] && echo " ... (showing first 50)"
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else
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echo "None."
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fi
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if have yay; then
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hr
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echo "yay cache size (if exists):"
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[[ -d "$HOME/.cache/yay" ]] && du -sh "$HOME/.cache/yay" || echo " (no ~/.cache/yay)"
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if ask "Clean yay build/cache (yay -Sc)?" ; then
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yay -Sc
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fi
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fi
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# ----------------- systemd journal cleanup -----------------
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hr
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if have journalctl; then
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echo "Journald disk usage:"
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sudo journalctl --disk-usage || true
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if ask "Vacuum journal to 500M?" ; then
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sudo journalctl --vacuum-size=500M
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fi
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if ask "Also vacuum journal older than 2 weeks?" ; then
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sudo journalctl --vacuum-time=2weeks
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fi
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fi
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# ----------------- user caches -----------------
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hr
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cleanup_safe_user_caches
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# ----------------- dotnet / nuget caches -----------------
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hr
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if have dotnet; then
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echo "NuGet package cache size:"
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[[ -d "$HOME/.nuget/packages" ]] && du -sh "$HOME/.nuget/packages" || echo " (no ~/.nuget/packages)"
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echo
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if ask "Clear dotnet NuGet locals (dotnet nuget locals all --clear)?" ; then
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dotnet nuget locals all --clear
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fi
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fi
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# ----------------- docker / podman -----------------
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hr
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if have docker; then
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cleanup_docker_preserving_networks
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fi
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if have podman; then
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hr
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echo "Podman disk usage:"
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podman system df || true
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echo
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echo "WARNING: podman prune can delete unused images/containers."
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if ask "Run 'podman system prune'?" ; then
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podman system prune
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fi
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fi
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# ----------------- flatpak -----------------
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hr
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if have flatpak; then
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echo "Flatpak unused cleanup:"
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if ask "Remove unused flatpak runtimes/apps (flatpak uninstall --unused)?" ; then
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flatpak uninstall --unused
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fi
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fi
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# ----------------- big files finder (informational) -----------------
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hr
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echo "Top large files (>2GiB) under /var and ~ (excluding rclone mounts):"
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echo " /var:"
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sudo bash -c "$(declare -f find_bigfiles_safe); $(declare -p EXCLUDE_PATHS); find_bigfiles_safe /var +2G" || true
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echo " $HOME:"
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find_bigfiles_safe "$HOME" +2G || true
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# ----------------- summary -----------------
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hr
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echo "Cleanup done."
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report_space
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hr
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echo "Tip: for interactive analysis, avoid scanning rclone mounts:"
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echo " sudo ncdu --exclude $ONEDRIVE_MOUNT --exclude $NEXTCLOUD_MOUNT /"
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