684 lines
20 KiB
Bash
684 lines
20 KiB
Bash
prodaccess() {
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# Wraps existing `prodaccess` command to provide Google-specific tips.
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# Take from this: https://g3doc.corp.google.com/experimental/users/diamondm/fortunes/README.md?cl=head
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command prodaccess "$@" && \
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cowsay $(/google/data/ro/users/di/diamondm/engfortunes/fortune.sh --extra_space)
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}
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home_theater() {
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# Does the following:
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# - connects to NordVPN for HBO
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# - connects to the TV via the attached HDMI cable
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# - connects to the bluetooth speaker
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# `nordvpn` is an alias defined in `aliases.zsh`
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echo 'Run the following to stream HBOGo from this laptop to your TV:'
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echo ' 1. nordvpn'
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echo ' 2. xrandr --output HDMI1 --mode 3840x2160'
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echo ' 3. bluetoothctl'
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echo ' 4. connect CC:6E:A4:32:6B:BB'
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echo
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echo 'Having trouble? Use the following tools to troubleshoot:'
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echo ' - blueman-manager'
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echo ' - pavucontrol'
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echo ' - gnome-control-center'
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}
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create_citc() {
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# Creates an `hg` citc client and `cd`s to its root.
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# Usage: create_citc esc-b-119275355
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# Note: May want to get into the habit of naming citc clients after the
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# Buganizer tickets. The buganizer portion can be prefixed with the shorthand
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# representation of the project it relates to. This coupling could lead to
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# more integrated tooling.
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hg citc $1 && g4d $1
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}
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fv() {
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# Usage: fv file pattern
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# This is useful when you know the fuzzy name of the file you want to edit
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local file
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file="$(fzf --exact --height 40% --reverse --query="$1" --select-1 --exit-0)"
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[[ -n "$file" ]] && vim "$file"
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}
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tbz() {
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# Toggle between blaze-bin and your source.
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# Useful if you like to cd into the dir where your source lives.
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if [[ "$(pwd)" =~ '(.*)/blaze-bin(.*)' ]]; then
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cd "${match[1]}${match[2]}"
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else
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cd "${PWD/\/google3//google3/blaze-bin}"
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fi
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}
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tj() {
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# Toggle between the source dir and test dir in a Java project.
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if [[ $PWD =~ '(.*)/javatests(.*)' ]]; then
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cd "${match[1]}/java${match[2]}"
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else
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cd "${PWD/\/google3\/java//google3/javatests}"
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fi
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}
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snipit() {
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# Take a screenshot and host it at https://screenshot.googleplex.com
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# Adapted from SnipIt to fit my workflow.
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server="https://screenshot.googleplex.com/upload"
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file="${TEMP:-/tmp}/snipit_temp_$$.png"
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# Capture
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echo "SnipIt - Click a window, or drag to snip a region (Ctrl+C to cancel):" && \
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import "$file" && \
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echo "Sending image to server..." && \
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uri=$(curl -sF "imagedata=@$file" $server) && \
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c <<<"$uri" && \
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echo "Copied \"$uri\" to your clipboard."
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}
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# Java
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run_java() {
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# Usage: run_java path/to/file.java
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# Intended to be similar in spirit to Haskell's `runhaskell`.
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set -e
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javac $1
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java ${1%.java}
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}
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# Aptitude
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apts() {
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# Searches aptitude package repository for $1, surrounding it in ^$ to ensure
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# fewer results.
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apt search "^$1$"
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}
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# Docker
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dkcsh() {
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# Drop into a Docker shell. Shell defaults to /bin/bash.
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# `dkcsh` stands for DocKer Container SHell.
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# Usage: dkcsh
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container=$1
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cmd=${2-/bin/bash}
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docker exec -it "$container" "$cmd"
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}
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dkish() {
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# Runs a Docker container interactively
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# Usage: dkrit <container_name> <command> [...args]
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docker run -it $@
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}
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# Emacs
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dired() {
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# Opens either the `$(pwd)` or `$1` in Emacs's `dired`.
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# Uses i3 to focus Emacs.
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directory=${1:-$(pwd)}
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echo $directory
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emacsclient --eval "(dired \"$directory\")" && focus Emacs
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}
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org_capture() {
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# Spawns an Emacs frame running org-capture.
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echo called
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emacsclient --create-frame \
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--frame-parameters '(quote (name . "org-protocol-capture"))' \
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--eval '(org-capture)'
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}
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# Git
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gconflicts() {
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# Edit git conflicts one-by-one in your favorite editor.
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${EDITOR} "$(git status --porcelain | awk '/^UU/ { print $2 }')"
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}
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# GPG
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gpg_encrypt() {
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# Convenience function around encryping files and directories.
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# Appends a .gpg extension and deletes the unencrypted source.
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local file=${1}
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echo "Encrypting..."
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if [ -f "${file}" ]; then
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gpg --symmetric "${file}" && \
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rm "${file}"
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elif [ -d "${file}" ]; then
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tar -cz "${file}" | gpg --symmetric --output "${file}.tar.gz.gpg"
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fi
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echo "Done."
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}
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gpg_decrypt() {
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# Convenience function around decrypting .gpg files and directories.
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# Deletes the original encrypted file with the .gpg extension.
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local file=$1
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echo "Decrypting..."
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if [ -f "${file}" ]; then
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gpg --decrypt "${file}" >"${file%.gpg}" && \
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rm "${file}"
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elif [ -d "${file}" ]; then
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local outdir="${dirname%.tar.gz.gpg}"
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if [ -d "${outdir}" ]; then
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echo "Output directory, ${outdir}, already exists and will be overwritten by this command. Aborting..."
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return 1
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else
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gpg --decrypt "${dirname}" | tar -xv
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fi
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fi
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echo "Done."
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}
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# Python
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python_sandbox() {
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# Creates a nix-shell with the specified arguments as Python packages
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nix-shell -p "python36.withPackages(p: with p; [$@])"
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}
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# Haskell
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cabal_unhell() {
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# Run this function to save yourself from Cabal hell.
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# Note: this will require that you reinstall packages for your projects again.
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find ~/.ghc -maxdepth 1 -type d -exec rm -rf {} \;
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rm -rf ~/.cabal/{lib,packages,share}
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}
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haskell_sandbox() {
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# Creates a nix-shell with the specified arguments as Haskell packages
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nix-shell -p "haskellPackages.ghcWithPackages (p: with p; [$@])"
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}
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_haskell_test_watch_path() {
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# Runs and watches the tests for a provided file path.
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ghcid -c "stack ghci grid:lib grid:grid-test --ghci-options=-fobject-code" \
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--height="$(tput lines)" --width="$(tput cols)" --warnings --test "$1"
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}
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_haskell_test_watch_pattern() {
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# Runs and watches the tests that match a provided pattern.
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stack test --file-watch grid:grid-test --ta "-p \"${1}\""
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}
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haskell_test_watch() {
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# Accepts either a filepath or a pattern and runs a test-watcher for either.
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if [ -f "$1" ]; then
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_haskell_test_watch_path "$1"
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else
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_haskell_test_watch_pattern "$1"
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fi
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}
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# Kubernetes
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kush() {
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# Drop into a shell via Kubernetes. Shell defaults to /bin/bash.
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local name=$1
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local cmd=${2-/bin/bash}
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kubectl exec -it "${name}" -- "${cmd}"
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}
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# Misc
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update_x11_forwarding() {
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# Sometime Tmux misbehaves with X11 applications (e.g. Emacs). This is because
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# the DISPLAY variable is not set properly to `:0`. This function w
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# Cache the DISPLAY when outside of Tmux. When inside of Tmux, use the cached
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# value for DISPLAY.
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#
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# This cooperates with my `preexec` function, which runs before every command.
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# Adapted from here: http://alexteichman.com/octo/blog/2014/01/01/x11-forwarding-and-terminal-multiplexers/
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if [ -z "$TMUX" ]; then
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echo $DISPLAY > ~/.display.txt
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else
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export DISPLAY=$(cat ~/.display.txt)
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fi
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}
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monzo_balance() {
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# Return the balance of my Monzo bank account. Intended to be used in my i3
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# status bar.
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# Usage: monzo_balance
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# Depends:
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# - ~/Dropbox/monzo_creds.json.gpg (encrypted asymmetrically for yourself)
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# - httpie
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# - jq
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# - gpg
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local creds=$(gpg --decrypt ~/Dropbox/monzo_creds.json.gpg 2>/dev/null)
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local access_token=$(echo $creds | jq --raw-output .access_token)
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local account_id=$(echo $creds | jq --raw-output .account_id)
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local balance=$(http --body https://api.monzo.com/balance \
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"Authorization: Bearer ${access_token}" \
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"account_id==${account_id}" | \
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jq .balance)
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echo "£$balance"
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}
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tldr_docs() {
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# Helper function for submitting a new page to `tldr`.
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# Usage: tldr_docs <cmd-name>
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pushd ~/programming/tldr && \
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gcb "$1" && \
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"$EDITOR" . && \
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echo "Next steps:" && \
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echo "- commit changes" && \
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echo "- push changes" && \
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echo "- submit a pull-request to tldr" && \
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popd # return to the original directory
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}
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ord_to_char() {
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# Converts the ordinal, ASCII value of a character into its encoded
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# representation.
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#
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# Usage:
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# $ ord_to_char 65
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# A
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[ "$1" -lt 256 ] || return 1
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printf "\\$(printf '%03o' "$1")\n"
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}
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char_to_ord() {
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# Converts the ASCII representation of a character to its ordinal value.
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#
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# Usage:
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# $ char_to_ord A
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# 65
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LC_CTYPE=C printf '%d\n' "'$1"
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}
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all_users() {
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# Lists all of the known users in the Linux system
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# Useful because when you type `~art` in a prompt and tab-complete, ZSH looks
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# up all users whose names start with "art". It's also just interesting to
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# have access to this information.
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#
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# NOTE: this is not as simple as `cat /etc/passwd` for reasons of which I'm
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# not entirely sure.
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getent passwd
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}
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escape_sequences() {
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# Outputs a table of terminal escape sequences and their meaning.
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echo -E '\a Bell (alert)'
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echo -E '\b Backspace'
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echo -E '\f Formfeed'
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echo -E '\n New line'
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echo -E '\r Carriage return'
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echo -E '\t Horizontal tab'
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echo -E '\v Vertical tab'
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echo -E "\' Single quotation mark"
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echo -E '\" Double quotation mark'
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echo -E '\\ Backslash'
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echo -E '\? Literal question mark'
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echo -E '\uhhhh Unicode character'
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echo -E '\Uhhhhhhhh Unicode character'
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echo -E '\xhh ASCII character in hexadecimal notation'
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echo -E '\xhhhh Unicode character in hexadecimal notation if this escape sequence is used in a wide-character constant or a Unicode string literal.'
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}
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test_true_color() {
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# Run this to test if your terminal emulator supports True Color
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curl --silent https://raw.githubusercontent.com/JohnMorales/dotfiles/master/colors/24-bit-color.sh | bash
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}
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test_16_colors() {
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# Useful for testing your terminal's theme.
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echo -e "Normal: ${black}black${red}red${green}green${yellow}yellow${blue}blue${magenta}magenta${cyan}cyan${white}white"
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echo -e "Bright: ${bright_black}black${bright_red}red${bright_green}green${bright_yellow}yellow${bright_blue}blue${bright_magenta}magenta${bright_cyan}cyan${bright_white}white"
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}
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test_text_formatting() {
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# Useful when appraising a Tmux. Things can get strange with true colors and
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# font rendering.
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echo -e "\e[1mbold\e[0m"
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echo -e "\e[3mitalic\e[0m"
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echo -e "\e[4munderline\e[0m"
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echo -e "\e[9mstrikethrough\e[0m"
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}
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test_unicode() {
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# Run this to test if your terminal supports unicode character rendering.
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echo -e '\u2600 \u2601 \u2602 \u2603 \u2604 \u2605 \u2606 \u2607 \u2608 \u2609 \u260A'
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echo -e '\u260B \u260C \u260D \u260E \u260F \u2610 \u2611 \u2612 \u2613 \u2614 \u2615'
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echo -e '\u2616 \u2617 \u2618 \u2619 \u261A \u261B \u261C \u261D \u261E \u261F \u2620'
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echo -e '\u2621 \u2622 \u2623 \u2624 \u2625 \u2626 \u2627 \u2628 \u2629 \u262A \u262B'
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echo -e '\u262C \u262D \u262E \u262F \u2630 \u2631 \u2632 \u2633 \u2634 \u2635 \u2636'
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echo -e '\u2637 \u2638 \u2639 \u263A \u263B \u263C \u263D \u263E \u263F \u2640 \u2641'
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echo -e '\u2642 \u2643 \u2644 \u2645 \u2646 \u2647 \u2648 \u2649 \u264A \u264B \u264C'
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echo -e '\u264D \u264E \u264F \u2650 \u2651 \u2652 \u2653 \u2654 \u2655 \u2656 \u2657'
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echo -e '\u2658 \u2659 \u265A \u265B \u265C \u265D \u265E \u265F \u2660 \u2661 \u2662'
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echo -e '\u2663 \u2664 \u2665 \u2666 \u2667 \u2668 \u2669 \u266A \u266B \u266C \u266D'
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echo -e '\u266E \u266F \u2670 \u2671 \u2672 \u2673 \u2674 \u2675 \u2676 \u2677 \u2678'
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echo -e '\u2679 \u267A \u267B \u267C \u267D \u267E \u267F \u2680 \u2681 \u2682 \u2683'
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echo -e '\u2684 \u2685 \u2686 \u2687 \u2688 \u2689 \u268A \u268B \u268C \u268D \u268E'
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echo -e '\u268F \u2690 \u2691 \u2692 \u2693 \u2694 \u2695 \u2696 \u2697 \u2698 \u2699'
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echo -e '\u269A \u269B \u269C \u269D \u269E \u269F \u26A0 \u26A1 \u26A2 \u26A3 \u26A4'
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echo -e '\u26A5 \u26A6 \u26A7 \u26A8 \u26A9 \u26AA \u26AB \u26AC \u26AD \u26AE \u26AF'
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echo -e '\u26B0 \u26B1 \u26B2 \u26B3 \u26B4 \u26B5 \u26B6 \u26B7 \u26B8 \u26B9 \u26BA'
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echo -e '\u26BB \u26BC \u26BD \u26BE \u26BF \u26C0 \u26C1 \u26C2 \u26C3 \u26C4 \u26C5'
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echo -e '\u26C6 \u26C7 \u26C8 \u26C9 \u26CA \u26CB \u26CC \u26CD \u26CE \u26CF \u26D0'
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echo -e '\u26D1 \u26D2 \u26D3 \u26D4 \u26D5 \u26D6 \u26D7 \u26D8 \u26D9 \u26DA \u26DB'
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echo -e '\u26DC \u26DD \u26DE \u26DF \u26E0 \u26E1 \u26E2 \u26E3 \u26E4 \u26E5 \u26E6'
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echo -e '\u26E7 \u26E8 \u26E9 \u26EA \u26EB \u26EC \u26ED \u26EE \u26EF \u26F0 \u26F1'
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echo -e '\u26F2 \u26F3 \u26F4 \u26F5 \u26F6 \u26F7 \u26F8 \u26F9 \u26FA \u26FB \u26FC'
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echo -e '\u26FD \u26FE \u26FF'
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}
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test_emojis() {
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# Outputs a few emojis to see if your terminal supports colored or
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# monochromatic emojis.
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for n in {0..9}
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do
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echo -e -n "\U1F60$n"
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done
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echo # newline to clean output
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}
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path() {
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# Pretty-print the $PATH variable
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echo "$PATH" | tr : '\n'
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}
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nix_installed() {
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# Lists the packages installed with `nix-env`
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nix-env -q
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}
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nix_store() {
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# Print the packages in /nix/store without the preceding hash
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ls /nix/store | sed 's/[a-z0-9]*-//'
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}
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browse() {
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# Open a URL in $BROWSER. Friendly for terminal input and output.
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# NOTE: `nohup` ensures that if I close the terminal, I won't all kill the
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# browser. Maybe this is similar to calling `disown %<job_id>`. The redirect
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# to `/dev/null` ensures that no `nohup.out` file is created.
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nohup "$BROWSER" $@ >/dev/null 2>&1 &
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}
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lh() {
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# Opens http://localhost:<port> in your $BROWSER.
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# Usage: `lh 8080`
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# Here, in case it wasn't obvious, `lh` stands for "localhost".
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browse "http://localhost:$1"
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}
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essids() {
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# Returns a list of all ESSIDs the network card detects
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local interface=${1-wlp4s0}
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sudo iwlist "${interface}" scan | awk -F \" '{print $2}' | sed '/^\s*$/d'
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}
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mkdir_cd() {
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# Make and cd into a directory or path
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mkdir -p "$1" && cd "$1"
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}
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swap() {
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# Swaps the names of files and directories.
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local file_a="${1}"
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local file_b="${2}"
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if [ -d "${file_a}" ] && [ -d "${file_b}" ]; then
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local backup=$(mktemp -d backup.XXX)
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mv "${file_a}" "${backup}"
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mv "${file_b}" "${file_a}"
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mv "${backup}/${file_a}" "${file_b}"
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rm -rf "${backup}"
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elif [ -f "${file_a}" ] && [ -f "${file_b}" ]; then
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local backup=$(mktemp backup.XXX)
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mv "${file_a}" "${backup}"
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mv "${file_b}" "${file_a}"
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mv "${backup}" "${file_b}"
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rm "${backup}"
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fi
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echo "Swapped: ${file_a} <-> ${file_b}"
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}
|
|
|
|
bak() {
|
|
# Backup a file or a directory by appending a .bak extension to it.
|
|
mv "$1" "$1.bak"
|
|
}
|
|
|
|
unbak() {
|
|
# Restore a file by removing the .bak extension from it.
|
|
mv "$1.bak" "$1"
|
|
}
|
|
|
|
is_online() {
|
|
# Pings google.com and echos "Online" or "Offline" and returns the appropriate
|
|
# exit code. Could be useful in the ${PS1} variable.
|
|
wget -q --spider "http://google.com"
|
|
|
|
if [ $? -eq 0 ]; then
|
|
echo "Online"
|
|
return 0
|
|
else
|
|
echo "Offline"
|
|
return 1
|
|
fi
|
|
}
|
|
|
|
loop() {
|
|
# Continuously loop `command` every `sleep_amt` interval. `sleep_amt` defaults
|
|
# to 1 second. Pass y/n for `should_clear` if you'd like to clear the screen
|
|
# at the end of each iteration.
|
|
# Usage: loop <command> <sleep_amt> <should_clear>
|
|
local command=$1;
|
|
local sleep_amt=${2:-1};
|
|
local should_clear=${3:-n}
|
|
|
|
# clear the screen before kicking things off
|
|
if [ $should_clear = y ]; then
|
|
clear
|
|
fi
|
|
|
|
while true; do
|
|
eval $command && sleep $sleep_amt
|
|
if [ $should_clear = y ]; then
|
|
clear
|
|
fi
|
|
done
|
|
}
|
|
|
|
du_it_live() {
|
|
# Outputs and refreshes the size of a directory's content.
|
|
# Useful for watching a directory as large amounts of data are
|
|
# downloaded into it.
|
|
local directory="${1}"
|
|
|
|
while true; do
|
|
du -hc "${directory}" | tail -n 1 | tr -d '\n' && echo -n ' ' && sleep 0.5
|
|
|
|
# elipsis
|
|
echo -n '.' && sleep 0.5 &&
|
|
echo -n '.' && sleep 0.5 &&
|
|
echo -n '.' && sleep 0.5 &&
|
|
|
|
# clear the three-dots
|
|
echo -n '\b\b\b' && echo -n ' ' && echo -n '\r'
|
|
done
|
|
}
|
|
|
|
router() {
|
|
# Returns the IP address of the network's router.
|
|
# Useful in a call like `ping $(router)` to diagnose an internet problem.
|
|
netstat -nr | grep default | head -n 1 | awk '{ print $2 }'
|
|
}
|
|
|
|
monitor_dimensions() {
|
|
# Outputs the dimensions of your computer monitor
|
|
xdpyinfo | awk '/dimensions/{ print $2 }'
|
|
}
|
|
|
|
list_sinks() {
|
|
# Lists the available output sources (speakers?)
|
|
pacmd list-sinks | grep -e 'name:' -e 'index:'
|
|
}
|
|
|
|
list_sources() {
|
|
# List available input sources (microphones?)
|
|
pacmd list-sources | grep -e 'index:' -e device.string -e 'name:'
|
|
}
|
|
|
|
lt() {
|
|
# Convenience wrapper around `exa --tree`.
|
|
# Optionally accepts a number for the max-depth and a directory to list.
|
|
# $ lt 2 ./scripts
|
|
|
|
# lt
|
|
if [ -z ${1} ]; then
|
|
exa --tree --all
|
|
|
|
# lt 2
|
|
elif [[ "${1}" =~ '^[0-9]+$' ]] && [ -z ${2} ]; then
|
|
local depth="${1}"
|
|
|
|
exa --tree -all --level "${depth}"
|
|
|
|
# lt ./scripts
|
|
elif [ -z ${2} ]; then
|
|
local directory="${1}"
|
|
|
|
exa --tree --all "${directory}"
|
|
|
|
# lt 2 ./scripts
|
|
else
|
|
local depth=${1}
|
|
local directory="${2}"
|
|
|
|
exa --tree --all --level ${depth} "${directory}"
|
|
fi
|
|
}
|
|
|
|
gql() {
|
|
# Convenience wrapper around `http POST` that allows you write GQL queries in
|
|
# Vim before posting them to the server.
|
|
local endpoint="${1}"
|
|
local query="/tmp/http-query.gql"
|
|
|
|
vim "${query}" && \
|
|
echo "{\"query\":\"$(cat ${query})\"}" | \
|
|
http --body POST "${endpoint}"
|
|
}
|
|
|
|
# Nix
|
|
nix_introspect() {
|
|
# Greps through my local nixpkgs repo for
|
|
rg --after-context 5 "\\b$1\\b\\s*=" "$(nix-instantiate --find-file nixpkgs)"
|
|
}
|
|
|
|
# Tmux
|
|
t() {
|
|
# Find or create a Tmux session. This should work both from within Tmux or
|
|
# outside of Tmux.
|
|
local session_name="${1}"
|
|
if ! tmux has-session -t "${session_name}" 2> /dev/null; then
|
|
local oldTMUX="${TMUX}"
|
|
unset TMUX
|
|
tmux new -d -s "${session_name}" -n "${session_name}"
|
|
export TMUX="${oldTMUX}"
|
|
unset oldTMUX
|
|
fi
|
|
if [[ -n "${TMUX}" ]]; then
|
|
tmux switch-client -t "${session_name}"
|
|
else
|
|
tmux attach -t "${session_name}"
|
|
fi
|
|
}
|
|
|
|
tk() {
|
|
# `tk`: "tmux kill". Kills a tmux session by name.
|
|
# If no arguments are provided, kills the current session after jumping to the previous session.
|
|
session_name="${1}"
|
|
if [ ! -z "${session_name}" ]; then
|
|
tmux kill-session -t "${session_name}"
|
|
else
|
|
session_name=tmux ls -f '#{?session_attached,#{session_name},}' | xargs
|
|
tmux switch-client -l
|
|
tmux kill-session -t "${session_name}"
|
|
fi
|
|
}
|
|
|
|
tmux_is_running() {
|
|
# Returns zero if tmux is running
|
|
# Although this is a simple function body, it's useful to encode esoteric
|
|
# knowledge that I will easily forget.
|
|
test -n "$TMUX"
|
|
}
|
|
|
|
tmux_focused_pane() {
|
|
# Returns the ID of the focused tmux pane.
|
|
# WIP
|
|
# tmux list-panes -F '#{pane_active} #{pane_tty}' | awk /1/{ print $1 }
|
|
echo 'Not implemented'
|
|
}
|
|
|
|
# Google3
|
|
p4_filelog() {
|
|
# Logs a file's Piper history. This is a convenience wrapper around
|
|
# `p4 filelog`.
|
|
# `filename` should be a relative path.
|
|
# Usage: p4_filelog <filename>
|
|
# Depends: p4
|
|
p4 filelog "//depot/$(pwd | grep -P -o 'google3\/.+$')/$1"
|
|
}
|
|
|
|
citc_workspace() {
|
|
# Returns the name of your current CitC workspace
|
|
pwd | grep -o -P "$(whoami)\/[^\/]+"
|
|
}
|
|
|
|
codesearch() {
|
|
# Attempts to open the current directory in Google's Code Search.
|
|
local slug="$(pwd | grep -P -o 'google3\/.+$')"
|
|
browse "https://cs.corp.google.com/piper///depot/$slug"
|
|
}
|
|
|
|
cider() {
|
|
# Opens the current workspace and current directory in Google's Cider
|
|
# Not very useful at the moment because it cannot jump to the current file or
|
|
# line number. Should also support an Emacs integration at some point.
|
|
google-chrome \
|
|
--app="https://cider.corp.google.com/?ws=$(citc_workspace)"
|
|
}
|
|
|
|
# i3
|
|
focus() {
|
|
# Focuses an i3 window by application name.
|
|
i3-msg "[class=\"$1\"] focus" >/dev/null
|
|
}
|
|
|
|
# zsh
|
|
fns() {
|
|
# Outputs all available functions.
|
|
# `fns` was chosen instead of `functions`, since `functions` was already
|
|
# taken.
|
|
compgen -A function
|
|
}
|
|
|
|
aliases() {
|
|
# Outputs all available aliases.
|
|
compgen -a
|
|
}
|
|
|
|
keywords() {
|
|
# Outputs all of the shell's reserved keywords.
|
|
compgen -k
|
|
}
|
|
|
|
builtins() {
|
|
# Outputs all of the shell's builtin commands.
|
|
compgen -b
|
|
}
|