.sh_advanced_rc

#!/not/executable/bash
if ! has declare; then
  # the below stuff needs arrays, but we don't have any: bail
  return 0
fi

# completions for travis, added by travis gem
. ~/.sh_lib/functions.d/trysource.sh
trysource ~/.travis/travis.sh


if [ "${BASH:-}" ]; then
  # enable precmd_functions and chpwd_functions, for zsh compatibility
  . ~/.sh_lib/bash-precmd.sh
  . ~/.sh_lib/bash-chpwd.sh
fi

# Reset our state, so that we can (re-)source this file idempotently.
# Anything that's mutated (rather than overwritten) should be listed here.
typeset -ga preexec_functions=()
typeset -ga precmd_functions=()


# VCS detection
__vcs() {
  return 0  # too slow!
  candidate="$(git rev-parse --show-toplevel 2>&-)"
  if [ $? -eq 0 ]; then
    export VCS=git
  else
    candidate="$(hg showconfig bundle.mainreporoot)"  # Too slow!
    if [ $? -eq 0 ]; then
      export VCS=hg
    else
      candidate="$(timeout -sINT -k2 1 p4 info | grep '^Client root:' | sed 's/.* //')"
      if [ "$candidate" ]; then
        export VCS=p4
      else
        TOP=/
        unset VCS VCS_PROMPT1
        return 0
      fi
    fi
  fi

  export VCS_TOP="$candidate"
  VCS_PROMPT1="($VCS:$(basename "$(sed 's@'"$HOME"'@~@' <<< "$VCS_TOP")")"
}

__vcs_branch() {
  return 0  # too slow!
  if [ "$VCS" = "git" ]; then
    export VCS_BRANCH="$(git branch-name 2>/dev/null)"  # too slow!
  elif [ "$VCS" = "hg" ]; then
    export VCS_BRANCH="{hg-branch})"
    # FIXME: hg too painfully slow. needs async, and hg optimization
    #export VCS_BRANCH="$(hg id -btB | xargs -n1 | grep -Exv 'default|tip' | tr '\n' ' ')"
  else
    unset VCS_BRANCH
  fi

  if [ "$VCS_BRANCH" ]; then
    VCS_PROMPT2=" $VCS_BRANCH) "
  elif [ "$VCS" ]; then
    VCS_PROMPT2=") "
  else
    VCS_PROMPT2=""
  fi
}

precmd_functions+=(tmux_env __vcs_branch)
chpwd_functions+=(__vcs)

. ~/.sh_lib/functions.d/source_dir.sh
source_dir ~/.sh_plugins.d

# extra shell settings for work
trysource ~/private-dotfiles/.sh_advanced_rc


DIRENV="$HOMEBREW_PREFIX/bin/direnv"
if ! [[ -x "$DIRENV" ]]; then
  cat >&2 <<'EOF'
NOTE: `direnv` is not installed. To fix:

  brew install direnv

EOF
fi
_direnv_hook() {
  if [[ -x "$DIRENV" ]]; then
    trap -- '' SIGINT;
    # They don't support 'export sh'. Weird.
    eval "$("$DIRENV" export bash)";
    trap - SIGINT;
  fi
}
# always install the hook, so `brew install direnv` will "just work"
precmd_functions+=(_direnv_hook)
# this is in the default zsh setup, but I can't see any reason for it:
#chpwd_functions+=(_direnv_hook)


# vim:ft=sh