Files
fish-config/docs/wiki/5-functions-reference.md
T
2026-06-12 03:55:18 +00:00

22 KiB
Raw Blame History

5. FUNCTIONS REFERENCE

Sections: Index | 1. Configuration Variables | 2. Path Setup | 3. Key Bindings | 4. Abbreviations | 5. Functions Reference | 6. Dependency Catalog | 7. Customization | 8. Fisher Plugins | 9. Installation | 10. Personalization | 11. Viewing This Manual


5.1 File and Directory

cat

Synopsis:  cat [args...]
Wraps bat for files with syntax highlighting and line numbers.
Passes directories to ls. Falls back to /usr/bin/cat.

cat README.md
cat ~/projects/myapp

copy

Synopsis:  copy <source> <dest>
Wraps cp, stripping trailing slashes from source directories to
prevent unintended nesting inside the destination.

copy ./mydir/ ~/backup    # copies mydir INTO backup, not backup/mydir/

du

Synopsis:  du [--disk|--dir|--dua] [args...]
Smart disk-usage dispatcher:
  --disk  force duf  (disk-level free/used overview)
  --dir   force dust (per-directory tree breakdown)
  --dua   force dua  (fast space analyzer)
Without flags, routes to the most appropriate tool by context.

du ~/Downloads
du --disk

dusize

Synopsis:  dusize [dir]
Human-readable disk usage for a directory via du -sh. Defaults to cwd.

dusize ~/Videos

lD

Synopsis:  lD [args...]
Lists directories only in long format with icons. Uses eza, falls back
to lsd, then system ls.

lD ~/projects

ls

Synopsis:  ls [args...]
Lists files in long format with icons and hyperlinks. Uses eza, falls
back to lsd, then system ls.

ls
ls -a ~/projects

lsr

Synopsis:  lsr [args...]
Lists files sorted by modification time, oldest first. Uses eza.

lss

Synopsis:  lss [args...]
Lists files sorted by size with gradient color scaling. Uses eza.

lstree

Synopsis:  lstree [args...]
Full recursive tree view with icons. Uses eza.

lstree ~/projects/myapp

lt

Synopsis:  lt [args...]
Tree view limited to depth 2 with icons. Uses eza.

lt ~/projects

ltr

Synopsis:  ltr [args...]
Lists files sorted by modification time, oldest first, long format with
age-based gradient scaling. Uses eza.

lx

Synopsis:  lx [args...]
Lists files sorted by extension, long format. Uses eza.

mkdir

Synopsis:  mkdir [args...]
Interactive mkdir that prints a tree of created directories.
Falls back to mkdir -p silently.

mkdir ~/projects/myapp/src

mkcd

Synopsis:  mkcd [-s] <dir>
Creates a directory (including parents) and cd into it. Prints a tree
of created dirs by default; -s/--silent suppresses output.

mkcd ~/projects/newapp/src

poke

Synopsis:  poke <file> [file...]
Creates files via touch, automatically creating any missing parent
directories first.

poke ~/projects/new/src/main.fish

rm

Synopsis:  rm [-e [opts] | -S | args...]
Safe rm wrapper routing to trash:

  (no args)   List current trash contents
  -e/--empty  Empty the trash (pass options to trash-empty)
  -S/--secure Permanently delete via rm -rf + fstrim (irreversible)
  -r/-R/--recursive  Move to trash
  <paths>     Move to trash (safe delete)

Falls back to /usr/bin/rm when trash is unavailable.

rm file.txt           # moves to trash
rm -e                 # empty trash
rm -S sensitive.pem   # permanent delete

rg

Synopsis:  rg [args...]
In Kitty, wraps ripgrep with --hyperlink-format=kitty so search
results are clickable file links in the terminal. Falls back to
system rg in any other terminal. All other arguments pass through
unchanged.

rg "fish_greeting" ~/.config/fish/
rg -l "TODO" ~/projects/myapp

scrub

Synopsis:  scrub [-a] [-d] [-h]
Recursively removes OS metadata, editor artifacts, compiler output,
and dev caches using fd.

  -a/--aggressive  Also removes node_modules, logs, .cache, IDE dirs,
                   AI session artifacts
  -d/--dry-run     Print what would be removed without deleting

scrub
scrub -a
scrub -d

5.2 Navigation

cdi

Synopsis:  cdi [query]
Interactive directory picker combining zoxide frecency with fzf.
Equivalent to zi.

cdi myproject

clone

Synopsis:  clone [args...]
Clone a git repository into a new Kitty window. Kitty-only.

clone https://github.com/user/repo.git

clonet

Synopsis:  clonet [args...]
Clone a git repository into a new Kitty tab. Kitty-only.

clonet https://github.com/user/repo.git

5.3 Editors and Viewers

edit

Synopsis:  edit [args...]
Opens files in nvim. Falls back to $EDITOR, nano, vi.

edit ~/.config/fish/config.fish

fc

Synopsis:  fc [command_prefix]
Edit the last shell command (or one matching a prefix) in $EDITOR,
then execute the result. Bash-style fc behaviour.

fc
fc git

less

Synopsis:  less [args...]
Pager wrapper with fallback chain: $PAGER -> ov -> less -> more -> cat.

less /var/log/syslog

rawfish

Synopsis:  rawfish [args...]
Launches Fish with NO_TMUX=1, bypassing any tmux auto-attach logic.
Useful when you need a clean shell without session management.

view

Synopsis:  view [args...]
Opens files in nvim read-only mode (-R). Falls back to less.

view /etc/fstab

5.4 Git and Version Control

branch

Synopsis:  branch <branch_name>
Switches to a local branch, or creates it if it does not exist.

branch feature/new-ui

gi

Synopsis:  gi [-h] [-b] [-p] [-s] [-l] [targets...]
Generates .gitignore content from the gitignore.io API with MD5-based
deduplication (patterns already present are not re-appended).

  -b/--boilerplate  Append generic boilerplate first
  -p/--prompt       Prompt interactively for targets
  -s/--stdout       Print to stdout instead of appending to .gitignore
  -l/--list         List all available targets
  targets           Comma-separated or space-separated target names

gi python,venv
gi -b -p
gi -s node > .gitignore

git-clean

Synopsis:  git-clean [-f]
Fetches and prunes the remote, fast-forwards the current branch, then
deletes local branches whose remote tracking branch has been deleted.
Switches to main/master automatically if the current branch is orphaned.

  -f/--force  Force-delete unmerged branches too

git-clean
git-clean --force

gitup

Synopsis:  gitup [args...]
Fetches updates from the remote and shows git status. Extra args are
forwarded to git fetch.

gitup
gitup --all

gitui

Synopsis:  gitui [args...]
Launches gitui with the Catppuccin Frappe theme pre-applied.

hist

Synopsis:  hist
Searches shell history with fzf, inserts the selection into the command
line, and copies it to the clipboard via wl-copy.

5.5 Package Management

pkg

Synopsis:  pkg [-h] [-i|-u] <package> [package...]
Installs or removes packages using the detected system package manager.
Supports: paru, yay, pacman, apt, dnf, zypper, yum, brew, pkg.

  (no flag)    Auto mode: installs missing packages, removes installed ones
  -i/--install  Force install
  -u/--uninstall  Force uninstall

pkg firefox             # auto: install if missing, remove if present
pkg -i ripgrep fd       # force install
pkg -u cowsay           # force uninstall

The package-installed check uses the correct query for each PM:
  pacman/paru/yay  pacman -Qi
  apt              dpkg -s
  dnf/zypper/yum   rpm -q
  brew             brew list
  pkg              pkg info
Synopsis:  search [args...]
Interactive AUR package search and install via paru or yay.
Arch Linux only.

search neovim

upgrade

Synopsis:  upgrade
Full system upgrade via paru -Syu --noconfirm or yay -Syu --noconfirm.
Arch Linux only.

cleanup

Synopsis:  cleanup
Lists and removes orphan packages via pacman, logging their names to
~/.removed_orphans. Arch Linux only.

parur

Synopsis:  parur
Opens an fzf picker of all installed packages (with pacman -Qi previews),
then removes the selected packages via paru or yay. Arch Linux only.

parur

5.6 Dependency Management

fish-deps

Synopsis:  fish-deps [status|install|update|sync]
Unified command for managing all tools this configuration depends on.

  status   (default) Show installed/missing status grouped by tier
  install  Interactively install each missing dependency
  update   Update all installed dependencies
  sync     Install missing deps, then update all

Install method priority (highest to lowest):
  1. git+cargo source build (fish shell itself)
  2. cargo (Rust tools — gets latest crate version)
  3. system PM (paru/apt/brew/etc.)
  4. git clone (fzf)
  5. curl installer (starship, fisher, uv)

When multiple methods are available you are prompted to choose.

Dependencies are grouped into three tiers:

  Required      fish, fzf, zoxide
  Integrations  wakatime, tailscale
  Recommended   cargo, starship, uv, direnv, paru, yay, eza, lsd, bat,
                btop, dust, duf, prettyping, ov, ripgrep, lazygit,
                lazydocker, trash, kitty, wezterm, python3

fish-deps
fish-deps install
fish-deps update
fish-deps sync

check_fish_deps

Synopsis:  check_fish_deps
Backwards-compatibility alias for `fish-deps status`.

5.7 System and Monitoring

top

Synopsis:  top [args...]
Launches btop as a modern resource monitor. Falls back to system top.

swapstat

Synopsis:  swapstat
Displays a colorized memory report: kernel swappiness, zRAM compression
ratio, zRAM device details, and active swap priorities.

sbver

Synopsis:  sbver [--brief]
Verifies Secure Boot signatures on all EFI binaries tracked by sbctl.
Color-codes results: green checkmark (verified), red X (unsigned).
Prints a pass/fail summary.

  --brief  Suppress per-file output, show only the summary

sbver
sbver --brief

ports

Synopsis:  ports
Lists active TCP listeners with lsof, showing port/address without
hostname resolution.

screensleep

Synopsis:  screensleep
Turns off the display via KDE PowerDevil's "Turn Off Screen" action,
invoked through busctl.

lock

Synopsis:  lock
Locks the current desktop session using loginctl lock-session.

sudo-toggle

Synopsis:  sudo-toggle
Toggles the sudo NOPASSWD rule on/off via /etc/sudoers.d/nofail-toggle.
Useful for automated tasks that would otherwise require password entry.

limine-edit

Synopsis:  limine-edit
Opens /boot/limine.conf in sudoedit, then automatically re-enrolls the
config hash, runs CachyOS boot hooks, and re-signs Secure Boot files.
Combines the edit and sign steps into a single command.

5.8 Terminal Management

tab

Synopsis:  tab [args...]
Opens a new tab in Kitty (kitty @ launch --type=tab), WezTerm
(wezterm cli spawn), or Konsole. Uses current working directory,
or $cdto if set.

tab

split

Synopsis:  split [-h|-v] [command...]
Opens a new pane in Kitty or WezTerm, optionally running a command.

  -h/--horizontal  (default) Split below
  -v/--vertical    Split to the right

split
split -v nvim README.md

spwin

Synopsis:  spwin [args...]
Spawns a new terminal OS window in Kitty (via spawn-window.sh or
kitty @ launch --type=os-window) or WezTerm (wezterm cli spawn --new-window).

detach

Synopsis:  detach [-h] [--version] <command> [args...]
Runs a command fully detached via nohup with stdout/stderr discarded.
The command survives the current session.

detach rsync -a ./data remote:/backup/

bkg

Synopsis:  bkg <command> [args...]
Launches a command in the background via nohup with output discarded.
Simpler than detach; no version flag.

bkg firefox

ssh

Synopsis:  ssh [args...]
In Kitty, wraps ssh with kitten ssh for better terminal integration
(multiplexing, copy/paste support). Falls back to system ssh elsewhere.

ssh user@host

5.9 Clipboard

y

Synopsis:  y [text...]
Copies text to the clipboard via wl-copy (Wayland) or xclip (X11).
Reads from stdin if no arguments given.

y "hello world"
ls | y
cat file.txt | y

p

Synopsis:  p [args...]
Outputs clipboard contents to stdout.

p | grep foo
p > file.txt

paste

Alias for p. Identical behaviour.

5.10 Network

gip

Synopsis:  gip
Fetches and prints both the public IPv4 and IPv6 address via
icanhazip.com.

gip4

Synopsis:  gip4
Fetches and prints the public IPv4 address.

gip6

Synopsis:  gip6
Fetches and prints the public IPv6 address. Returns 1 if IPv6 is
unavailable.

ping

Synopsis:  ping [args...]
Wraps prettyping with --nolegend. Pass --legend to show the legend.
Falls back to system ping.

ping google.com

qr

Synopsis:  qr [text...]
Generates a UTF-8 QR code from text or stdin. Uses qrencode locally;
falls back to the qrenco.de API.

qr "https://example.com"
echo "https://example.com" | qr

5.11 Pager and Logging

logs

Synopsis:  logs [-c <category>]
Interactively browses terminal log files sorted newest-first using fzf.

  -c/--category  Filter to: scrollback, paru, or yay

Keybindings inside the fzf browser:
  Enter    Open in $PAGER
  Ctrl+E   Open in $EDITOR
  Ctrl+D   Delete (with confirmation)
  ?        Toggle keybind help overlay

Paru and yay logs open in ov with syntax highlighting and sticky section
headers. Scrollback logs open in ov with per-command sticky prompt headers
based on OSC 133 markers.

logs
logs -c paru
logs -c scrollback

smart_exit

Synopsis:  smart_exit [-n]
Closes the shell session. In Kitty, captures the terminal scrollback to
a timestamped log file in $SCROLLBACK_HISTORY_DIR before exiting.
Automatically prunes the oldest logs when the count exceeds
$SCROLLBACK_HISTORY_MAX_FILES.

  -n/--no-log  Exit without saving a scrollback log

The exit builtin is wired to smart_exit for interactive sessions.
Typing exit or Ctrl+D behaves identically to smart_exit.

smart_exit
smart_exit --no-log

5.12 AI and Developer Tools

antigravity

Synopsis:  antigravity [args...]
Runs the agy CLI (Antigravity AI assistant) with noisy deprecation
warnings filtered from stderr.

antigravity chat

antigravity-ide

Synopsis:  antigravity-ide [args...]
Runs the antigravity-ide editor with warnings filtered.

antigravity-resume

Synopsis:  antigravity-resume
Resumes the most recent Antigravity session from the .antigravity_session
file in the current directory, or opens an interactive fzf picker if no
session file is found.

claude-resume

Synopsis:  claude-resume
Resumes the most recent Claude Code session from the .claude_session
file in the current directory, or opens an interactive fzf picker.

claude-docs

Synopsis:  claude-docs
Invokes Claude Code to analyze recent repository changes and update
README.md, ensuring all documented features and examples are accurate.

claude-pr

Synopsis:  claude-pr
Invokes Claude Code to run the full PR workflow: create branch,
conventional commit, verification, push, and open a PR with a manual
verification checklist.

code-resume

Synopsis:  code-resume
Resumes the most recent AI session (Claude or Antigravity), preferring
the newest session file found in the current directory.

superpowers

Synopsis:  superpowers [on|off] [-g]
Enables or disables the Superpowers plugin for Antigravity and Claude
Code at workspace/project scope (default) or user scope (-g/--global).

superpowers on
superpowers off -g

5.13 Media and Utilities

dng2avif

Synopsis:  dng2avif [-i <file>] [-o <file>] [-q <n>] [-s <n>] [input.dng]
Converts a DNG raw image to a 10-bit HDR AVIF using an ImageMagick,
ffmpeg, avifenc pipeline with metadata sync via exiftool.

  -i/--input    Input file (or positional arg)
  -o/--output   Output file (default: same name, .avif extension)
  -q/--quality  Quality 0-100 (default 92)
  -s/--speed    Encoding speed 0-10 (default 3)

dng2avif photo.dng
dng2avif -q 85 -s 5 -i shot.dng -o out.avif

steam-dl

Synopsis:  steam-dl
Launches Steam under systemd-inhibit, preventing the system from going
idle or sleeping while a download is in progress.

spark

Synopsis:  spark [--min=<n>] [--max=<n>] [numbers...]
Renders a Unicode sparkline bar chart for a sequence of numbers.
Reads from stdin if no numbers are given.

spark 1 1 2 5 14 42
echo "3 7 2 9 1" | spark

5.14 Miscellaneous

config-help

Synopsis:  config-help [SECTION]
           config-help [SECTION] --html
           config-help [SECTION] --man
           config-help -h | --help

Opens the offline fish shell configuration manual. Without flags, opens
the Markdown source in the best available pager (ov > bat > man > less >
cat). If SECTION is given, jumps to the first heading matching that
keyword (case-insensitive; checks fish-config.index aliases first).

Flags:
  --html / -w   Open docs/html/index.html in the default browser.
                If SECTION is given, opens at the matching anchor.
                Detects the browser via xdg-mime x-scheme-handler/https,
                then known binaries, then xdg-open as last resort.
                Respects $fish_help_browser and $BROWSER.
  --man  / -m   Open docs/fish-config.1 via man -l directly.
                If SECTION is given, jumps to the nearest match.
  --help / -h   Print usage and navigation key reference.

config-help keybindings
config-help pkg
config-help --html
config-help pkg --html
config-help --man
config-help pkg --man

Also available as: help config [SECTION] [FLAGS]

config-update

Synopsis:  config-update [-h] [-n] [-f]

Pulls the latest fish configuration from the upstream repository
(https://git.rootiest.dev/rootiest/fish-config.git) into ~/.config/fish.
The remote URL is hard-coded, so this works on fresh clones with no git
remote configured. All git output is suppressed; colored messages report
fetch and merge status. After a successful pull, run `exec fish` to
reload.

Flags:
  --dry-run / -n   Fetch and show available commits without applying them.
  --force  / -f    Stash local changes, pull, then restore the stash.
  --help   / -h    Show usage.

config-update
config-update --dry-run
config-update --force

config-toggle

Synopsis:  config-toggle [-h]

Opens an interactive full-screen TUI for toggling the six opinionated
component categories (C1C6) and the master disable variable without
having to type or remember variable names. Two scope tabs allow
independent per-scope configuration:

  Universal — persists across all sessions (set -U)
  Session   — current shell only (set -g)

Changes apply immediately on each value keypress. Always available
regardless of the __fish_config_opinionated master state.

Navigation:
  ↑ ↓ / k j   Move cursor
  ← → / h l   Set value: OFF ← DEFAULT → ON (clamped)
  Tab          Switch scope (Universal ↔ Session)
  q / Escape   Exit

Left/Right (or vim-style h/l) move the highlighted value one step along
the OFFDEFAULTON scale and stop at the ends. DEFAULT erases the
variable so the master switch / built-in default applies.

Flags:
  --help / -h   Show usage.

config-toggle

bash

Synopsis:  bash [args...]
Switches to bash, with XDG config applied. On exit, $SHELL is reset
back to fish.

bd-pull

Synopsis:  bd-pull <owner/repo>
Fetches unlinked Gitea issues and creates local Beads entries, updating
issue titles with the assigned Beads IDs.
Requires $GITEA_TOKEN and $GITEA_URL to be set.

bd-pull rootiest/fish-config

cheat

Synopsis:  cheat <topic> [args...]
Displays a colorized cheatsheet using cheat -c, falls back to tldr,
then man.

cheat tar
cheat git

cffetch / ffetch

Synopsis:  cffetch [args...]  /  ffetch [args...]
Clears the screen and displays system information via fastfetch with
the custom config at ~/.fastfetch.jsonc. Falls back to neofetch.

dockup

Synopsis:  dockup [-h] [directory]
Pulls latest Docker images, restarts services in the given Docker
Compose project, and prunes dangling images.

dockup ~/myapp

joplin

Synopsis:  joplin [args...]
Runs the Joplin CLI with Node.js deprecation warnings suppressed.

joplin ls

ld

Synopsis:  ld
Launches lazydocker targeting the currently active Docker context,
detected via docker context inspect.

replay

Synopsis:  replay <commands>
Runs Bash commands and replays any resulting changes to environment
variables, aliases, and the working directory back into the current
Fish session. Useful for sourcing Bash scripts.

replay "source ~/.bashrc"
replay "export FOO=bar"

tmux-clean

Synopsis:  tmux-clean
Kills all detached (unattached) tmux sessions, leaving attached ones
running.

wake-lock

Synopsis:  wake-lock <command> [args...]
Runs a command under systemd-inhibit, preventing the system from going
idle or sleeping until the command completes.

wake-lock rsync -avz src/ dest/

zellij

Synopsis:  zellij [args...]
Launches zellij with the Catppuccin Mocha theme applied.