#!/bin/zsh

# Install EDITOR
export EDITOR='nvim'
# Set up the vim config path
export VIM_CONFIG_DIR=$__COMMON_CONFIGS/vim

# Set potentially-destructive commands to use interactive modes
alias rm='rm -i'
alias cp='cp -i'
alias mv='mv -i'

# Use a larger number of KDF rounds and the secure ed25519 key type by default.
alias ssh-keygen="ssh-keygen -a 100 -b 4096 -t ed25519"

# Reload this file's (and other customizations') aliases.
function reload_zsh()
{
  source "$HOME"/.zshrc
}

# Check if the git repository is fully synced.
# Pass --force-fetch to force the fetch to happen, even if one happened recently.
function __common_configs_in_sync() {
  (
    # Failure modes, in order:
    #   exit 9: Problem cd'ing or getting commit hashes - things that should never fail
    cd $__COMMON_CONFIGS || exit 9
    localCommit=$(git show-ref --verify --hash refs/heads/master) || exit 9
    if [[ $1 == --force-fetch ]] || [[ ! -f .last-fetch ]] || [[ $(date --reference=.last-fetch +%s) -lt $(date --date='5 minutes ago' +%s) ]]; then
      git fetch --quiet origin && touch .last-fetch
    fi
    remoteCommit=$(git show-ref --verify --hash refs/remotes/origin/master) || exit 9
    #   exit 1: master is not the commit which is checked out.
    [[ $(git symbolic-ref HEAD) == "refs/heads/master" ]] || exit 1
    #   exit 2: master and origin/master are different.
    [[ $localCommit == $remoteCommit ]] || exit 2
    #   exit 3: There are staged changes.
    git diff-index --cached --exit-code --quiet HEAD || exit 3
    #   exit 4: There are unstaged changes.
    git diff-files --exit-code --quiet HEAD || exit 4
  )
}

# Enable built in help in the shell.
export HELPDIR=/usr/share/zsh/help
autoload run-help
alias help=run-help