Prefer stow over hand-rolled solution

After discovering GNU stow on Nix IRC, refactored install and setup
scripts to consume it.

Code is vastly simplified as a result.

configs/setup

@@ -1,47 +1,11 @@
 #!/usr/bin/env bash
 
-dotfiles_path="${HOME}/dotfiles"
-configs_dir="${dotfiles_path}/configs"
-shared_configs="${configs_dir}/shared"
+configs="$HOME/dotfiles/configs"
 
 if [[  $(uname) == 'Darwin' ]]; then
-    os_specific_configs="${configs_dir}/os_x"
+  (cd "$configs/os_x" && stow --target="$HOME" *)
 elif [[ $(uname) == 'Linux' ]]; then
-    os_specific_configs="${configs_dir}/linux"
+  (cd "$configs/linux" && stow --target="$HOME" *)
 fi
 
-
-function symlink_configs () {
-    configs_dir=$1
-
-    for cf in $(find $configs_dir -type f -name ".*"); do
-        filename=$(grep -o "[^\/]+$" <<<$cf)
-        echo "$filename: "
-
-        if [ -f "${HOME}/${filename}" ] && [ ! -L "${HOME}/${filename}" ]; then
-            echo -n "Backing up ${filename}... " && \
-            mv "${HOME}/${filename}" "${HOME}/${filename}.bak" && \
-            echo "Done."
-        fi
-
-        if [ -L "${HOME}/${filename}" ]; then
-            if [ $(readlink "${HOME}/${filename}") = $cf ]; then
-                echo "Already properly symlinked to ${configs_dir}."
-            else
-                echo "Already symlinked but NOT to the proper location. Aborting..."
-            fi
-        else
-            echo -n "Symlinking to ${filename}... " && \
-            ln -s $cf "${HOME}/${filename}" && \
-            echo "Done."
-        fi
-        echo ""
-    done
-}
-
-
-# handle shared configs
-symlink_configs $shared_configs
-
-# handle os-specific configs
-symlink_configs $os_specific_configs
+(cd "$configs/shared" && stow --target="$HOME" *)

configs/shared/ghci

@@ -1,13 +0,0 @@
--- Useful Typeclasses
-import Control.Applicative
-import Data.Monoid
-
--- Data Structures
-import qualified Data.Map.Internal as Map
-
--- Lenses
-import qualified Control.Lens           as Lens 
-import qualified Control.Lens.Traversal as Lens
-
--- Friendly prompt
-:set prompt "\ESC[34mλ> \ESC[m"

configs/shared/haskell/.ghci

@@ -0,0 +1,32 @@
+-- Useful Typeclasses
+import Control.Applicative
+import Data.Monoid
+
+-- Data Structures
+import qualified Data.Map.Internal as Map
+
+-- Lenses
+import           Control.Lens
+import qualified Control.Lens           as Lens 
+import qualified Control.Lens.Traversal as Lens
+
+-- Friendly prompt
+:set prompt "\ESC[34mλ> \ESC[m"
+
+-- GHCi on Acid
+:m - Prelude
+:m + GOA
+setLambdabotHome "/Users/wpcarro/Haskell/bin"
+:def bs        lambdabot "botsnack"
+:def pl        lambdabot "pl"
+:def unpl      lambdabot "unpl"
+:def redo      lambdabot "redo"
+:def undo      lambdabot "undo"
+:def index     lambdabot "index"
+:def docs      lambdabot "docs"
+:def instances lambdabot "instances"
+:def hoogle    lambdabot "hoogle"
+:def source    lambdabot "fptools"
+:def where     lambdabot "where"
+:def version   lambdabot "version"
+:def src       lambdabot "src"

configs/shared/zsh/.zshrc

@@ -3,6 +3,9 @@ export DOTFILES="${HOME}/dotfiles"
 export ZSH="${HOME}/.oh-my-zsh"
 export PATH="${PATH}:${HOME}/.local/bin"
 
+# Put this here temporarily until we have a better place for it.
+export FPP_EDITOR='emacsclient -n'
+
 ZSH_THEME=refined
 plugins=(zsh-autosuggestions git git-extras github)
 

install.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env zsh
+#!/usr/bin/env bash
 
-source "${DOTFILES}/configs/setup"
-ln -s "${DOTFILES}/emacs.d" "${HOME}/.emacs.d"
+source "$HOME/dotfiles/configs/setup"
+ln -s "$DOTFILES/emacs.d" "$HOME/.emacs.d"