Builds a full dev workstation from a bare Arch Linux install. https://git.cjennings.net/archsetup/atom?h=main 2026-07-19T00:46:05+00:00 2026-07-19T00:46:05+00:00 Craig Jennings c@cjennings.net 2026-07-19T00:46:05+00:00 urn:sha1:80017365527b612ca8763b29c5771fc41d58def5 Install snapshot and live-update hooks before mkinitcpio removal, migrate legacy paths, and cover the ordering invariant. 2026-06-30T11:56:41+00:00 Craig Jennings c@cjennings.net 2026-06-30T11:56:41+00:00 urn:sha1:0474090ce4260b1182bfbc3ae9698988fda100e1 archsetup took sanoid from install-archzfs but never ported the pre-pacman snapshot hook, so a ZFS-root install had no transaction-triggered rollback point — the working setup only existed as a hand-placed script on velox, lost on reinstall. Add configure_pre_pacman_snapshots(): a PreTransaction pacman hook plus a self-pruning script that keeps the 10 most recent pre-pacman snapshots (sanoid ignores them — they aren't autosnap_ names). It's gated to ZFS-root and runs late in boot_ux, so the hook doesn't fire during the install's own package operations and the first snapshot is the fresh system. The script ships as scripts/zfs-pre-snapshot, made ZFS_PRE_* env-overridable so the pruning logic is unit-testable. Unit tests drive it against a fake zfs (creates a snapshot, prunes the oldest past KEEP, ignores non-pre-pacman snapshots, honors the lockfile interval, warns on failure); a Testinfra test asserts the hook and script land on a ZFS install; the orchestrator test pins the new boot_ux substep. 2026-06-30T05:49:09+00:00 Craig Jennings c@cjennings.net 2026-06-30T05:49:09+00:00 urn:sha1:51f8d6008ca6002b5709c2e278a8862b390a5d87 The pre-pacman snapshot script accumulated 53 unpruned snapshots on velox since April — nothing prunes them, and Sanoid ignores the non-autosnap_ names. The fix is a self-pruning script (KEEP=10), but the home handoff confirmed the live script isn't archsetup-authored (it's hand-placed on velox), so incorporating it is a net-new ZFS-root installer step rather than a patch to an existing one. Filed as a [#B] feature with the design notes and the script preserved in docs/design, since it still needs the trigger hook file and a ZFS-root VM test before it can land.