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iso: bake bakery apps into /usr/local

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BOS opts in to bakery's system prefix so desktop apps live on @
and ride snapper/grub-btrfs snapshots. The builder home stays
~/.local; build-local.sh copies bins, share/data, and user units
onto the image. Per-user installed.json and the index cache stay
in skel. Recovery is still grub-btrfs, not snapper rollback.
This commit is contained in:
Breadway 2026-08-16 00:10:32 +08:00
parent 744f18cd90
commit 34043086b9
19 changed files with 218 additions and 103 deletions
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16
iso/airootfs/usr/local/bin/bos-update
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@ -8,11 +8,12 @@
# or other bakery desktop apps. Every transaction is
# snapshotted by snap-pac; recover via the GRUB "snapshots"
# submenu (grub-btrfs), not `snapper rollback`.
# 2. bakery — the bread ecosystem apps in ~/.local/bin (whatever `bakery list`
# 2. bakery — the bread ecosystem apps in /usr/local (whatever `bakery list`
# reports as installed — bakery, bread, breadbar, breadbox,
# breadcrumbs, breadpad, breadman, bread-theme, breadpaper,
# breadmon, breadsearch, breadclip, breadshot, bos-settings,
# breadhelp, ...).
# breadhelp, ...). Those bits live on @ and ride snapper
# root snapshots; recover via grub-btrfs, not `snapper rollback`.
#
# Best-effort: a failure in one channel doesn't abort the other.
set -uo pipefail
@ -20,12 +21,11 @@ set -uo pipefail
bold() { printf '\033[1m%s\033[0m\n' "$1"; }
# Timed snapper pre snapshot before either channel. snap-pac already
# snapshots root around pacman; bakery writes ~/.local/bin ($HOME / @home),
# which is outside that root snapshot. This extra snapshot is still
# best-effort and covers bakery $HOME updates as well as possible — a
# home config if the installer created one, otherwise the root timeline
# around the whole update. Never fail the update if snapper is missing
# or the create errors.
# snapshots root around pacman; bakery now writes /usr/local (on @), so
# that root snapshot includes the desktop apps. This extra snapshot is
# still best-effort — a home config if the installer created one (user
# bakery state), plus a root timeline around the whole update. Never
# fail the update if snapper is missing or the create errors.
if command -v snapper >/dev/null; then
if snapper -c home list >/dev/null 2>&1; then
snapper -c home create -t pre -c number \