quickshell: converge live trees without root replacement
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Fimeg
parent
b0a1304ba1
commit
9c27504009
3 changed files with 75 additions and 16 deletions
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@ -158,7 +158,7 @@ if [[ "${1:-}" == "--manifest" ]]; then
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fi
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if [[ "${1:-}" == "--phone" ]]; then
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ssh_i=(ssh -i "$HOME/.ssh/ani" -o ConnectTimeout=5)
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ssh_i=(ssh -F /dev/null -i "$HOME/.ssh/ani" -o ConnectTimeout=5)
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deployed_revision="unknown"
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if repo_root="$(git -C "$SRC" rev-parse --show-toplevel 2>/dev/null)"; then
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deployed_revision="$(git -C "$repo_root" rev-parse HEAD)"
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@ -168,7 +168,7 @@ if [[ "${1:-}" == "--phone" ]]; then
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fi
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fi
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"${ssh_i[@]}" "$PHONE_USB" "mkdir -p ~/$PHONE_DEST"
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rsync -a --delete -e "ssh -i $HOME/.ssh/ani" "$SRC/" "$PHONE_USB:$PHONE_DEST/"
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rsync -a --delete -e "ssh -F /dev/null -i $HOME/.ssh/ani" "$SRC/" "$PHONE_USB:$PHONE_DEST/"
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printf '%s\n' "$deployed_revision" \
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| "${ssh_i[@]}" "$PHONE_USB" "cat > ~/$PHONE_DEST/DEPLOYED-REVISION"
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"${ssh_i[@]}" "$PHONE_USB" "bash ~/$PHONE_DEST/deploy.sh"
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@ -201,17 +201,60 @@ if [[ "${1:-}" == "--legacy-clean" ]]; then
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fi
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# --- Sync the pinned ii base --------------------------------------------
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# --exclude .git: the pin carries no VCS dirs, and any nested .git already
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# on a device (e.g. widgets/shapes) is left alone rather than deleted.
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# Build both trees away from their live paths, then converge the stable live
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# directories with delayed renames. Quickshell's watcher follows the config
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# directory inode and does not tolerate replacing that root, even atomically.
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# The three-phase order keeps every symlink valid throughout the update:
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# add/update ii files, switch the composed surface, then delete stale ii files.
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mkdir -p "$QS"
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rsync -a --delete --exclude='.git' "$SRC/ii-base/" "$II/"
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clear_generated_tree() {
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local path="$1"
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case "$path" in
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"$QS/.ii-previous"|"$QS/.souveraine-previous"|"$QS"/.ii-next.*|"$QS"/.souveraine-next.*)
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[[ ! -e "$path" && ! -L "$path" ]] || find "$path" -depth -delete
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;;
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*)
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echo "refusing to clear unexpected rollback path: $path" >&2
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return 1
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;;
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esac
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}
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snapshot_tree() { # live rollback
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local live="$1" rollback="$2"
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clear_generated_tree "$rollback"
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if [[ -e "$live" || -L "$live" ]]; then
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mkdir -p "$rollback"
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rsync -a --delete --exclude='.git' "$live/" "$rollback/"
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fi
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}
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II_NEXT="$QS/.ii-next.$$"
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SV_NEXT="$QS/.souveraine-next.$$"
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[[ ! -e "$II_NEXT" && ! -e "$SV_NEXT" ]] || {
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echo "staging path already exists; refusing: $II_NEXT or $SV_NEXT" >&2
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exit 1
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}
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cleanup_staging() {
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clear_generated_tree "$II_NEXT"
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clear_generated_tree "$SV_NEXT"
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}
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trap cleanup_staging EXIT
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mkdir -p "$II_NEXT"
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rsync -a --delete --exclude='.git' "$SRC/ii-base/" "$II_NEXT/"
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if [[ "$TARGET_ARCH" == "aarch64" ]]; then
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rsync -a "$SRC/ii-phone/" "$II/"
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echo "ii synced from pin + phone overlay"
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rsync -a "$SRC/ii-phone/" "$II_NEXT/"
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ii_description="pin + phone overlay"
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else
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echo "ii synced from pin"
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ii_description="pin"
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fi
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install -m 0644 "$SRC/ii-base.pin" "$II/.souveraine-upstream-pin"
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install -m 0644 "$SRC/ii-base.pin" "$II_NEXT/.souveraine-upstream-pin"
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snapshot_tree "$II" "$QS/.ii-previous"
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mkdir -p "$II"
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# Phase 1: make every path the new composition can reference available, but
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# retain old extras until their Souveraine override/symlink has switched.
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rsync -a --delay-updates "$II_NEXT/" "$II/"
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# --- Compose -------------------------------------------------------------
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# Targets under souveraine/, relative to $SV
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@ -226,8 +269,8 @@ is_touched() { # dir contains an override somewhere below
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compose_dir() { # $1 = path relative to ii root ("" for root)
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local rel="$1" entry name erel
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mkdir -p "$SV${rel:+/$rel}"
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for entry in "$II${rel:+/$rel}"/*; do
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mkdir -p "$SV_NEXT${rel:+/$rel}"
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for entry in "$II_NEXT${rel:+/$rel}"/*; do
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[[ -e "$entry" ]] || continue
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name="$(basename "$entry")"
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[[ "$name" == *.upstream ]] && continue
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@ -236,19 +279,18 @@ compose_dir() { # $1 = path relative to ii root ("" for root)
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if is_touched "$erel"; then
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compose_dir "$erel"
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else
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ln -sfn "$II/$erel" "$SV/$erel"
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ln -sfn "$II/$erel" "$SV_NEXT/$erel"
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fi
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else
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# root files and files inside touched dirs: link individually,
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# skipping ones our manifest replaces
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is_replaced "$erel" && continue
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ln -sf "$II/$erel" "$SV/$erel"
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ln -sf "$II/$erel" "$SV_NEXT/$erel"
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fi
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done
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}
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# Rebuild from scratch each run: cheap, and guarantees no stale links.
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rm -rf "$SV"
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# Build from scratch at the staging path: cheap, with no stale links.
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compose_dir ""
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# Our files on top (this also creates dirs that exist only in our tree,
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@ -256,12 +298,25 @@ compose_dir ""
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mkdir -p "$QS/pill"
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while read -r rel target; do
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[[ -z "$rel" ]] && continue
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src="$SRC/$rel"; t="$QS/$target"
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src="$SRC/$rel"; t="$SV_NEXT/${target#souveraine/}"
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[[ -f "$src" ]] || { echo "missing $src" >&2; exit 1; }
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mkdir -p "$(dirname "$t")"
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ln -sf "$src" "$t"
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done < <(manifest_lines)
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snapshot_tree "$SV" "$QS/.souveraine-previous"
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mkdir -p "$SV"
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# Phase 2: switch the composed tree using delayed per-entry renames while its
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# root directory remains stable for Quickshell's recursive watcher.
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rsync -a --delete-delay --delay-updates "$SV_NEXT/" "$SV/"
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# Phase 3: the composition no longer points at obsolete ii-only paths, so it
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# is now safe to remove them and finish exact convergence with the pin.
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rsync -a --delete-delay --delay-updates "$II_NEXT/" "$II/"
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clear_generated_tree "$II_NEXT"
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clear_generated_tree "$SV_NEXT"
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trap - EXIT
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echo "ii synced from $ii_description (rollback: $QS/.ii-previous)"
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n_ours=$(manifest_lines | grep -c .)
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n_borrowed_dirs=$(find "$SV" -maxdepth 3 -type l -xtype d | wc -l)
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echo "souveraine config composed at $SV ($n_ours files ours, $n_borrowed_dirs dirs borrowed from ii)"
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