.zshrc

# Load Antigen
# (zsh plugin manager that can install plugins from git repositories)
source "/home/aral/antigen.zsh"

# Load oh-my-zsh.
antigen use oh-my-zsh

# Plugins from default repository
# (robbyrusell’s oh-my-zsh)
antigen bundle git
antigen bundle node
antigen bundle web-search

# Third-party plugins
antigen bundle zsh-users/zsh-autosuggestions
antigen bundle zsh-users/zsh-syntax-highlighting

# Load the spaceship theme.
antigen theme denysdovhan/spaceship-prompt

# Tell Antigen we’re done.
antigen apply

# Configure the spaceship prompt.
SPACESHIP_EXIT_CODE_SHOW=true
SPACESHIP_EXIT_CODE_SYMBOL="✘ "
SPACESHIP_CHAR_SYMBOL="🐵️"
SPACESHIP_CHAR_SUFFIX=" "
SPACESHIP_DIR_TRUNC=0
SPACESHIP_DIR_TRUNC_REPO=false
SPACESHIP_PROMPT_ORDER=(
  time          # Time stamps section
  user          # Username section
  dir           # Current directory section
  host          # Hostname section
  git           # Git section (git_branch + git_status)
  package       # Package version
  node          # Node.js section
  exec_time     # Execution time
  line_sep      # Line break
  jobs          # Background jobs indicator
  exit_code     # Exit code section
  char          # Prompt character
)
SPACESHIP_GIT_PREFIX="❨git❩ "
SPACESHIP_GIT_STATUS_PREFIX=" /"
SPACESHIP_GIT_STATUS_SUFFIX=""
SPACESHIP_GIT_STATUS_COLOR="yellow"
SPACESHIP_GIT_STATUS_UNTRACKED="untracked files/"
SPACESHIP_GIT_STATUS_ADDED="staged changes/"
SPACESHIP_GIT_STATUS_MODIFIED="unstaged changes/"
SPACESHIP_GIT_STATUS_RENAMED="renamed files/"
SPACESHIP_GIT_STATUS_DELETED="deleted files/"
SPACESHIP_GIT_STATUS_STASHED="stashed changes/"
SPACESHIP_GIT_STATUS_UNMERGED="unmerged changes/"
SPACESHIP_GIT_STATUS_DIVERGED="working copy has diverged with remote/"
SPACESHIP_GIT_STATUS_AHEAD="⇡ you’re ahead of remote (push)/"
SPACESHIP_GIT_STATUS_BEHIND="⇣ you’re behind remote (pull)/"
SPACESHIP_PACKAGE_COLOR="blue"
SPACESHIP_PACKAGE_PREFIX=""
SPACESHIP_NODE_PREFIX=""
DEFAULT_USER="aral" # So the prompt is shorter and doesn’t show aral@dev for local sessions.

# Leave an empty line between the prompt and the result of the command.
# (Unless its a cd command or a tacit cd via use of a directory name. As these commands
# do not have any output, skip the extra space).
preexec () {
  if [[ (! -d $1) && ($1 != cd*) ]]; then
    echo
  fi
}

# Preferred editor for local and remote sessions.
export EDITOR='nano'

# Setup nvm (Node version manager).
export NVM_DIR="$([ -z "${XDG_CONFIG_HOME-}" ] && printf %s "${HOME}/.nvm" || printf %s "${XDG_CONFIG_HOME}/nvm")"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"

# Add .nvmrc support
# (Add an .nvmrc file with a string telling nvm which node version to use and it will automatically be used.)
# Source: https://github.com/nvm-sh/nvm#zsh
autoload -U add-zsh-hook
load-nvmrc() {
  local node_version="$(nvm version)"
  local nvmrc_path="$(nvm_find_nvmrc)"

  if [ -n "$nvmrc_path" ]; then
    local nvmrc_node_version=$(nvm version "$(cat "${nvmrc_path}")")

    if [ "$nvmrc_node_version" = "N/A" ]; then
      nvm install
    elif [ "$nvmrc_node_version" != "$node_version" ]; then
      nvm use
    fi
  elif [ "$node_version" != "$(nvm version default)" ]; then
    echo "Reverting to nvm default version"
    nvm use default
  fi
}
add-zsh-hook chpwd load-nvmrc
load-nvmrc

#
# Aliases.
#

# VSCodium
alias code=/usr/bin/codium

# Copy and paste to the clipboard by piping to these commands.
# (Inspired by the default behaviour in macOS.)
alias pbcopy='xsel --clipboard --input'
alias pbpaste='xsel --clipboard --output'

# Open files in their associated apps from Terminal.
alias open="xdg-open &>/dev/null "

# Git aliases to make git a little bit more humane for everyday use.
alias git-log='git log --graph --decorate --pretty=oneline --abbrev-commit'
alias git-log-dates='git log --graph --decorate --pretty=format:"%h [%cr] %s"'
alias git-tag='git tag -n'
alias git-undo-last-commit='git reset HEAD~'

# Kitty terminal’s diff tool
alias git-diff="git difftool --no-symlinks --dir-diff"

# Aliases for getting system and app information.
alias system-information=neofetch
alias disk-usage=dust
alias which-kernel='apt-cache policy linux-generic'
alias node-v8-version='node -p process.versions.v8'

# Make rm a little safer (have it prompt once when deleting more than
# three files or when deleting recursively).
alias rm="rm -I"

# A nicer ls that also shows the git status of files
alias l="exa -lh --git --all"

# A nicer ls that also shows the git status of files (but not hidden files)
alias ll="exa -lh --git"

# Same nicer ls but in tree view.
alias lt="exa -lh --git --all --tree"

# List directory, displaying octal permission codes (as used by chmod, etc.)
alias ls-with-octal-permissions="ls -alG | awk '{k=0;for(i=0;i<=8;i++)k+=((substr(\$1,i+2,1)~/[rwx]/)*2^(8-i));if(k)printf(\" %0o \",k);print}'"
fpath=($fpath "/home/aral/.zfunctions")

# Better find
alias find='fd'

# Enable process completion notifications for Terminal under zsh.
# (See https://github.com/elementary/terminal#notifications)
builtin . /usr/share/io.elementary.terminal/enable-zsh-completion-notifications || builtin true