Files
bcherb2 4043787a58 fix: close the four known installer bugs (DU-H1, DU-H2, BUG-1, BUG-2)
- DU-H1: flags are parsed wherever they sit, so `install --unattended`
  and `--unattended install` are the same run; any unknown flag, word,
  or subcommand exits 2 to stderr before a package manager is touched.
- DU-H2: every download lands in one private mktemp -d (mode 700)
  workdir per run, is checked non-empty before sudo tar sees it, and an
  EXIT/INT/TERM trap cleans up. No fixed /tmp paths remain.
- BUG-1: ^t is now toggle-shown — it ticks only the rows the active
  filter is showing, and @needs expansion stops at the first invasive
  row, so an invasive package can never be ticked off-screen.
- BUG-2: ^t journals what it added, so a second ^t over the same shown
  set unticks exactly that set; the bind no longer clears the query.
- lab: the type verb polls fzf's reported query to a deadline instead
  of a fixed sleep; marks_settled retries within its deadline.

Suite 256/0 host, 214/0 docker (ubuntu:24.04), mutations 24/24 killed
(six new mutants re-introduce each bug and all die), lab 6/6 green.
2026-08-22 13:25:21 -04:00

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# what: the neovim tarball extracted to /opt/nvim-TYPO
# why: tar succeeds, the symlink dangles, and nothing says so
# kills: the tarball is extracted where the symlink points
# run: unit
<<<OLD
run_sh "${SUDO:+$SUDO }rm -rf /opt/nvim && ${SUDO:+$SUDO }mkdir -p /opt/nvim && ${SUDO:+$SUDO }tar -xzf '$WORKDIR/nvim.tgz' -C /opt/nvim --strip-components=1" \
<<<NEW
run_sh "${SUDO:+$SUDO }rm -rf /opt/nvim && ${SUDO:+$SUDO }mkdir -p /opt/nvim && ${SUDO:+$SUDO }tar -xzf '$WORKDIR/nvim.tgz' -C /opt/nvim-TYPO --strip-components=1" \
<<<END