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https://github.com/andwati/dotfiles.git
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andwati
77cc3a1c98
Adds a shared ensure_flatpak helper in lib.sh (installs flatpak + adds the Flathub remote) and reuses it from both the slack module and desnap.sh's unmapped-snap fallback instead of duplicating the setup.
138 lines
4.0 KiB
Bash
Executable File
138 lines
4.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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export DOTFILES_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck source=install/lib.sh
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source "$DOTFILES_DIR/install/lib.sh"
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DRY_RUN=0
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ASSUME_YES=0
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for a in "$@"; do
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case "$a" in
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--dry-run) DRY_RUN=1 ;;
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-y|--yes) ASSUME_YES=1 ;;
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esac
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done
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if ! has_cmd snap; then
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ok "snapd not installed, nothing to do"
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exit 0
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fi
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mapfile -t snaps < <(snap list 2>/dev/null | awk 'NR>1 {print $1}')
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if [[ ${#snaps[@]} -eq 0 ]]; then
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log "no snaps installed"
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else
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log "snaps currently installed: ${snaps[*]}"
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fi
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# snapd's own bundled core/bare snaps can't be removed while anything else
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# depends on them, so they're removed last, in their own pass, below.
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core_snaps=(snapd core core18 core20 core22 core24 bare)
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# Known default-Ubuntu snaps mapped to their real, official-source
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# replacement: an existing dotfiles module (reused so it stays one source of
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# truth), a plain apt package, or "skip" for snap-only infra with no
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# user-facing equivalent. Anything not listed here that isn't a GNOME/core
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# runtime snap falls back to Flatpak/Flathub instead of a guessed package.
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declare -A SNAP_REPLACEMENTS=(
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[firefox]="module:firefox"
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[thunderbird]="apt:thunderbird"
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[snap-store]="apt:gnome-software"
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[snapd-desktop-integration]="skip"
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[gtk-common-themes]="skip"
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)
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_replacement_for() {
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local snap="$1"
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if [[ -n "${SNAP_REPLACEMENTS[$snap]:-}" ]]; then
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echo "${SNAP_REPLACEMENTS[$snap]}"
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return
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fi
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case "$snap" in
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gnome-*|core*|bare) echo "skip" ;;
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*) echo "unmapped" ;;
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esac
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}
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declare -a to_remove=() modules_to_run=() apt_pkgs=() unmapped=()
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for s in "${snaps[@]}"; do
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case " ${core_snaps[*]} " in *" $s "*) continue ;; esac
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to_remove+=("$s")
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action=$(_replacement_for "$s")
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case "$action" in
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module:*) modules_to_run+=("${action#module:}") ;;
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apt:*) apt_pkgs+=("${action#apt:}") ;;
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skip) : ;;
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unmapped) unmapped+=("$s") ;;
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esac
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done
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if [[ "$DRY_RUN" == "1" ]]; then
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log "[dry-run] would remove: ${to_remove[*]:-<none>} (plus core/base snaps)"
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log "[dry-run] would purge snapd and pin /etc/apt/preferences.d/nosnap.pref"
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if [[ ${#modules_to_run[@]} -gt 0 ]]; then
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log "[dry-run] would reinstall via existing modules: ${modules_to_run[*]}"
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fi
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if [[ ${#apt_pkgs[@]} -gt 0 ]]; then
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log "[dry-run] would reinstall via apt: ${apt_pkgs[*]}"
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fi
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if [[ ${#unmapped[@]} -gt 0 ]]; then
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log "[dry-run] no apt equivalent for: ${unmapped[*]} — would set up Flatpak/Flathub instead"
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fi
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exit 0
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fi
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if [[ "$ASSUME_YES" != "1" ]]; then
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warn "this removes ALL snap packages, purges snapd, and blocks it from ever being reinstalled by apt."
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read -rp "continue? [y/N] " reply
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[[ "$reply" =~ ^[Yy]$ ]] || { log "aborted"; exit 1; }
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fi
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for s in "${to_remove[@]}"; do
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log "removing snap: $s"
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sudo snap remove --purge "$s" || warn "failed to remove $s, continuing"
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done
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for s in "${core_snaps[@]}"; do
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if snap list "$s" >/dev/null 2>&1; then
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log "removing snap: $s"
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sudo snap remove --purge "$s" || true
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fi
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done
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log "purging snapd"
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sudo apt-get purge -y snapd
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sudo rm -rf /var/cache/snapd/ "$HOME/snap"
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log "pinning snapd out of apt so it can't come back on upgrade"
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sudo tee /etc/apt/preferences.d/nosnap.pref >/dev/null <<'EOF'
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Package: snapd
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Pin: release a=*
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Pin-Priority: -10
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EOF
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for m in "${modules_to_run[@]}"; do
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log "installing $m from its official source (snap replacement)"
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# shellcheck disable=SC1090
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source "$DOTFILES_DIR/install/modules/$m.sh"
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"install_${m//-/_}"
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done
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if [[ ${#apt_pkgs[@]} -gt 0 ]]; then
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log "installing apt replacements: ${apt_pkgs[*]}"
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apt_install "${apt_pkgs[@]}"
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fi
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if [[ ${#unmapped[@]} -gt 0 ]]; then
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warn "no apt equivalent known for: ${unmapped[*]} — setting up Flatpak/Flathub so you can still get them"
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ensure_flatpak
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warn "search/install with: flatpak search <name> && flatpak install flathub <app-id>"
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for s in "${unmapped[@]}"; do
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warn " - $s"
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done
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fi
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ok "desnapped — snapd is purged and pinned out, replacements installed from apt/official sources"
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