.zshrc

# This is the default, but no harm in repeating.
HISTFILE=${ZDOTDIR:-$HOME}/.zsh_history

# Store more history.
HISTSIZE=10000
SAVEHIST=10000

# Share history across multiple zsh sessions.
setopt SHARE_HISTORY

# Append to history.
setopt APPEND_HISTORY

# Adds commands as they are typed, not at shell exit.
setopt INC_APPEND_HISTORY

# Expire duplicates first.
setopt HIST_EXPIRE_DUPS_FIRST

# Remove blank lines from history.
setopt HIST_REDUCE_BLANKS

# Enable alt-left/right keyboard shortcuts, to jump by whole words,
# as you’d expect on a Mac.
bindkey -e
bindkey "^[b" backward-word
bindkey '^[f' forward-word

# Remove the "/" character from the list of characters that zsh considers
# part of a "word", so that we can alt-arrow navigate more easily across
# filesystem paths, stopping at each slash, just like Bash does.
export WORDCHARS="${WORDCHARS/\/}"

# Case-insensitive globbing.
# eg: `ls ~/d<tab>`
setopt NO_CASE_GLOB

# Case-insensitive tab-completion.
zstyle ':completion:*' completer _complete _ignored
zstyle ':completion:*' matcher-list 'm:{[:lower:][:upper:]}={[:upper:][:lower:]}'
zstyle :compinstall filename "$HOME/.zshrc"

# Autocomplete hosts and directories for SSH etc.
# eg `scp file username@<TAB><TAB>:/<TAB>`
zstyle ':completion:*:(ssh|scp|ftp|sftp):*' hosts $hosts
zstyle ':completion:*:(ssh|scp|ftp|sftp):*' users $users

# Analytics opt-out for Homebrew, before we call any Homebrew functions.
# https://docs.brew.sh/Analytics
export HOMEBREW_NO_ANALYTICS=1

# Add Homebrew to the path on Apple Silicon Macs
if [ -d "/opt/homebrew" ]; then
    # From `/opt/homebrew/bin/brew shellenv`
    export HOMEBREW_PREFIX="/opt/homebrew";
    export HOMEBREW_CELLAR="/opt/homebrew/Cellar";
    export HOMEBREW_REPOSITORY="/opt/homebrew";
    export PATH="/opt/homebrew/bin:/opt/homebrew/sbin${PATH+:$PATH}";
    export MANPATH="/opt/homebrew/share/man${MANPATH+:$MANPATH}:";
    export INFOPATH="/opt/homebrew/share/info:${INFOPATH:-}";
fi

# Autocompletion for Homebrew commands.
# https://docs.brew.sh/Shell-Completion
FPATH=$(brew --prefix)/share/zsh/site-functions:$FPATH

# Addition to PATH and autocompletion for Google Cloud SDK
# https://formulae.brew.sh/cask/google-cloud-sdk
source "$(brew --prefix)/share/google-cloud-sdk/path.zsh.inc"
source "$(brew --prefix)/share/google-cloud-sdk/completion.zsh.inc"

# `repo` command to quickly jump to a subdirectory of ~/repos,
# with autocompletion of subdirectory names.
repo() {
    cd "$HOME/repos/$1";
}
_repo_comp() {
    reply=( $(cd "$HOME/repos/"; ls -d */ | sed 's/\/$//') );
}
compctl -K _repo_comp repo

# `my` command to quickly jump to a subdirectory of ~/Work/mySociety,
# with autocompletion of subdirectory names.
my() {
    cd "$HOME/Work/mySociety/$1";
}
_my_comp() {
    reply=( $(cd "$HOME/Work/mySociety/"; ls -d */ | sed 's/\/$//') );
}
compctl -K _my_comp my

# Enable autocompletion.
autoload -Uz compinit && compinit

# Enable bash-compatible autocompletion scripts.
autoload -U bashcompinit && bashcompinit

# Add ~/.local/bin to the path – this is where pipx puts executables.
# https://pipxproject.github.io/pipx/installation/
export PATH="${HOME}/.local/bin:${PATH}"

# Autocompletion for pipx.
# https://pipxproject.github.io/pipx/
eval "$(register-python-argcomplete pipx)"

# Show at most 4 levels of path in prompt, followed by either a hash (if running
# with elevated privileges, ie: `sudo -s`) or, otherwise, a command symbol.
export PROMPT='%4~ %(!.#.⌘) '

# Colours for `ls`.
export CLICOLOR=1
export LSCOLORS=DxGxcxdxCxegedabagacad

# Set up the rbenv shims.
# https://github.com/rbenv/rbenv#how-rbenv-hooks-into-your-shell
eval "$(rbenv init - zsh)"

# https://flutter.dev/docs/get-started/install/macos
export PATH="${HOME}/src/flutter/bin:${PATH}"

# https://stackoverflow.com/questions/26483370
# https://www.stkent.com/2017/08/10/update-your-path-for-the-new-android-emulator-location.html
export ANDROID_SDK_ROOT="${HOME}/Library/Android/sdk"
export ANDROID_HOME="$ANDROID_SDK_ROOT"
export PATH="$ANDROID_SDK_ROOT/cmdline-tools/latest/bin:${PATH}"
export PATH="$ANDROID_SDK_ROOT/platform-tools:${PATH}"
export PATH="$ANDROID_SDK_ROOT/tools:${PATH}"
export PATH="$ANDROID_SDK_ROOT/emulator:${PATH}"

# Add ~/.docker/bin to the path
# https://docs.docker.com/desktop/install/mac-install/
export PATH="${HOME}/.docker/bin:${PATH}"

# Add ~/bin to the path, ahead of all others.
export PATH="${HOME}/bin:${PATH}"

# https://python-poetry.org/docs/configuration/#using-environment-variables
export POETRY_VIRTUALENVS_IN_PROJECT="true" # will create .venv directories in project root

if ! grep -q "pam_tid.so" /etc/pam.d/sudo* ; then
    echo "Touch ID no longer enabled for sudo. Insert the following line at the start of /etc/pam.d/sudo_local:"
    echo "  auth       sufficient     pam_tid.so"
fi