- prerequisite condition tested fish (was inverted: 'zsh missing and
git/curl/fzf present', so fish was never installed on a working machine)
- run fisher bootstrap inside fish via 'fish -c' (was: 'curl | source' in
bash, which always failed with 'filename argument required')
- download fisher.fish with curl -fsSL to a temp file first (fail on HTTP error)
- resolve configs/ via BASH_SOURCE; when piped (curl | bash) fall back to
the end-4 clone instead of failing on relative paths from an arbitrary CWD
- clone dots-hyprland into mktemp -d, never into the caller's CWD; git -C
style usage so a failed pull can't strand the script's working directory
- set -euo pipefail from the top with a guarded/unguarded audit
- warn visibly that end-4 still runs with --force --skip-backup (kept per decision)
- mkdir -p before config copies; tty-guarded fish warning; ${1:-}
- set -euo pipefail with audit: every tolerated failure is guarded
- write --theme to bat's config file, not into the themes/ directory (was: append to a directory, failed silently)
- download and configure the same theme (Catppuccin Mocha; was: Macchiato downloaded, Mocha configured)
- preserve MANPAGER quoting via printf (was: collapsed to export MANPAGER=bat -plman, invalid when sourced)
- detect shell via $SHELL instead of $0 (was: always matched *) and reported 'Unsupported shell: bat.sh')
- fish branch appends fish syntax, no more exec of a mangled command string
- check pacman/apt bat install results (was: unchecked, continued on failure)
- idempotent appends (grep guard), tty-guarded fish warning
- remove broken rc-sourcing block (sourced .zshrc/config.fish from bash)
- set -euo pipefail and fix pacman --noconfirm typo (was -noconfirm)
- abort on non-UEFI systems (/sys/firmware/efi check)
- verify sbctl installed and sign targets exist before touching keys
- fix x84_64-efi typo, skip missing targets instead of failing silently
- require sbctl verify to pass before offering enrollment
- prompt y/N before enroll-keys with BIOS/USB recovery guidance
- gate success message on final sbctl verify, non-zero exit on failure