Refactor editor/* install/update scripts + readme

editor/README.md

@@ -3,8 +3,8 @@
 I spend a lot of time in my editors; programming, writing, brainstorming, testing --
 these dotfiles set them up.
 
-+ emacs: my full-blown (and primary) development environment, running [evil-mode]. Emacs
++ **emacs:** my full-blown (and primary) development environment, running [evil-mode]. Emacs
   vs Vim? The answer is both.
-+ neovim: my heavier-duty vim config, for systems I have more control over.
-+ vim: same as neovim, but for vanilla vim
-+ vimlite: a light, plug-free config for systems I have no control over.
++ **neovim:** my heavier-duty vim config, for systems I have more control over.
++ **vim:** same as neovim, but for vanilla vim
++ **vimlite:** a light, plugin-free config for systems I have no control over.

editor/emacs/env.zsh

@@ -1 +1 @@
-path=(~/.cask/bin $path)
+path=($HOME/.cask/bin $path)

editor/emacs/install

@@ -8,9 +8,9 @@ case "$OSTYPE" in
         ;;
     linux*)
         if [[ -f /etc/arch-release ]]; then
-            sudo pacman --noconfirm -S make emacs python2
+            sudo pacman --needed --noconfirm -S make emacs
         elif [[ -f /etc/debian_version ]]; then
-            sudo apt-get install make emacs python
+            sudo apt-get install -y make emacs
         fi
 
         if [[ ! -d ~/.cask ]]; then

editor/neovim/install

@@ -2,7 +2,7 @@
 
 command -v nvim >/dev/null && exit
 
-case "$OSTYPE" in
+case $OSTYPE in
     darwin*)
         brew install make
         brew install --HEAD neovim/neovim/neovim

editor/neovim/update

@@ -1,9 +1,8 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 command -v nvim >/dev/null || exit
 
-if [ -d "$HOME/.vim" ]
-then
+if [[ -d "$HOME/.vim" ]]; then
     cd "$HOME/.vim"
     make update
 fi

editor/vim/install

@@ -1,12 +1,12 @@
 #!/usr/bin/env bash
 
-case "$OSTYPE" in
+case $OSTYPE in
     darwin*)
         brew install make vim
         ;;
     linux*)
         if [[ -f /etc/arch-release ]]; then
-            sudo pacman --noconfirm -S make vim
+            sudo pacman --needed --noconfirm -S make vim
         elif [[ -f /etc/debian_version ]]; then
             # TODO
             exit 1

editor/vimlite/install

@@ -1,12 +1,12 @@
 #!/usr/bin/env bash
 
-case "$OSTYPE" in
+case $OSTYPE in
     darwin*)
         brew install vim
         ;;
     linux*)
         if [[ -f /etc/arch-release ]]; then
-            sudo pacman --noconfirm -S vim
+            sudo pacman --needed --noconfirm -S vim
         elif [[ -f /etc/debian_version ]]; then
             sudo apt-get install -y vim
             exit 1