129 lines
4.2 KiB
Bash
Executable File
129 lines
4.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# 在安装 kaisa-hdmi-pipewire-fix 或其它大改前，采集「Ubuntu / 当前机」音频基线并落盘。
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# 输出目录默认：audio_topology/baseline-stash/<时间戳>_<hostname>/
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# 用法：./scripts/capture-ubuntu-audio-baseline.sh [输出目录]
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# 详见：docs/linux-hdmi/OPERATION_PipeWire_Kaisa_HDMI.md「基线备份与恢复」
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set -euo pipefail
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REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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STAMP="$(date +%Y%m%d_%H%M%S)_$(hostname)"
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if [[ -n "${1:-}" ]]; then
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STASH="$(realpath "$1")"
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else
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STASH="${REPO_ROOT}/audio_topology/baseline-stash/${STAMP}"
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fi
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mkdir -p "$STASH/backup/root"
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write_manifest() {
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local mf="$STASH/manifest.txt"
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{
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echo "# capture-ubuntu-audio-baseline"
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echo "created_iso: $(date -Iseconds)"
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echo "hostname: $(hostname)"
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echo "stash_dir: $STASH"
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echo ""
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echo "## uname"
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uname -a
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echo ""
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echo "## dpkg (相关包)"
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dpkg -l 2>/dev/null | grep -E '^(ii|rc)\s+(alsa-ucm-conf|wireplumber|pipewire|pipewire-pulse|kaisa-hdmi-pipewire-fix)\s' || true
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echo ""
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if dpkg -s kaisa-hdmi-pipewire-fix &>/dev/null; then
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echo "## kaisa-hdmi-pipewire-fix: installed"
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dpkg -s kaisa-hdmi-pipewire-fix 2>/dev/null | grep -E '^(Package|Version|Status):' || true
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else
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echo "## kaisa-hdmi-pipewire-fix: not installed"
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fi
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echo ""
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echo "## deb 相关路径（存在性与 sha256）"
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} >"$mf"
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local paths=(
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/etc/wireplumber/wireplumber.conf.d/50-kaisa-sof-rt5682-hdmi.conf
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/usr/share/alsa/ucm2/conf.d/sof-rt5682/sof-rt5682.conf
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/usr/share/alsa/ucm2/GoogleKaisa/sof-rt5682/HiFi.conf
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)
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local p
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for p in "${paths[@]}"; do
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if [[ -e "$p" ]]; then
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echo "PATH $p exists=yes" >>"$mf"
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if [[ -f "$p" ]]; then
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sha256sum "$p" >>"$mf" 2>/dev/null || echo "(sha256sum failed)" >>"$mf"
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fi
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else
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echo "PATH $p exists=no" >>"$mf"
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fi
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done
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echo "" >>"$mf"
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echo "## /usr/share/doc/kaisa-hdmi-pipewire-fix/" >>"$mf"
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if [[ -d /usr/share/doc/kaisa-hdmi-pipewire-fix ]]; then
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ls -la /usr/share/doc/kaisa-hdmi-pipewire-fix >>"$mf" 2>&1 || true
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else
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echo "(目录不存在)" >>"$mf"
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fi
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}
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backup_vendor_ucm() {
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local src="/usr/share/alsa/ucm2/conf.d/sof-rt5682/sof-rt5682.conf"
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if [[ -f "$src" ]]; then
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install -D -m0644 "$src" "$STASH/backup/root/usr/share/alsa/ucm2/conf.d/sof-rt5682/sof-rt5682.conf"
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echo "已备份 vendor UCM: $src -> backup/root/..."
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fi
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}
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backup_user_wireplumber() {
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local d="${HOME}/.config/wireplumber/wireplumber.conf.d"
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local names=()
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if [[ -d "$d" ]]; then
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shopt -s nullglob
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local f
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for f in "$d"/*; do
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[[ -e "$f" ]] || continue
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local b
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b="$(basename "$f")"
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if [[ "$b" == *kaisa* ]] || [[ "$b" == 50-kaisa* ]]; then
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names+=("$b")
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fi
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done
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fi
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if ((${#names[@]} > 0)); then
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tar -C "$d" -czf "$STASH/user-wireplumber-conf.tar.gz" "${names[@]}"
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echo "已打包用户 WirePlumber 片段: ${names[*]} -> user-wireplumber-conf.tar.gz"
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else
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echo "(未找到 ~/.config/wireplumber/... 下含 kaisa 的片段，跳过 user-wireplumber-conf.tar.gz)"
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fi
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}
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pack_system_overlay() {
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if [[ -f "$STASH/backup/root/usr/share/alsa/ucm2/conf.d/sof-rt5682/sof-rt5682.conf" ]]; then
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tar -C "$STASH/backup/root" -czf "$STASH/system-overlay.tar.gz" \
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usr/share/alsa/ucm2/conf.d/sof-rt5682/sof-rt5682.conf
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echo "已生成 system-overlay.tar.gz（可配合 restore 还原安装 deb 前的 vendor sof-rt5682.conf）"
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else
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echo "(未备份 vendor sof-rt5682.conf，不生成 system-overlay.tar.gz)"
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fi
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}
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write_manifest
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backup_vendor_ucm
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backup_user_wireplumber
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pack_system_overlay
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TOPO="$STASH/topology.txt"
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echo "正在调用 collect_linux_audio_topology.sh -> $TOPO"
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bash "${REPO_ROOT}/audio_topology/collect_linux_audio_topology.sh" "$TOPO"
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echo ""
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echo "========== 基线已写入: $STASH =========="
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echo " manifest.txt — 包状态与 deb 路径清单"
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echo " topology.txt — 完整音频拓扑"
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echo " system-overlay.tar.gz — 若存在：vendor sof-rt5682.conf 快照"
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echo " user-wireplumber-conf.tar.gz — 若存在：用户 kaisa WirePlumber 片段"
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echo ""
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echo "恢复至「尽量接近本次采集时」的系统文件状态："
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echo " ./scripts/restore-ubuntu-audio-baseline.sh $STASH"
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echo ""
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echo "若曾启用 §4.3 user systemd 自动 restore，恢复基线前可先禁用该 user 单元（见 OPERATION）。"
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