Adds import script and uses a shared list of the files to copy.

files.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+FILES=(
+    ".bash_logout"
+    ".bashrc"
+    ".config"
+    ".gitconfig"
+    ".gitignore"
+    ".gitignore_global"
+    ".hgignore_global"
+    ".profile"
+    ".rc.d"
+    ".yarnrc"
+    ".zprofile"
+    ".zshenv"
+    ".zsh_functions"
+    ".zshrc"
+)

import.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$SCRIPT_DIR/files.sh"
+
+cd "$SCRIPT_DIR" || exit 1
+
+for file in "${FILES[@]}"; do
+    if [ -e "../$file" ] || [ -L "../$file" ]; then
+        cp -r "../$file" ./
+    fi
+done
+

install.sh

@@ -1,7 +1,13 @@
-#! /usr/bin/env sh
-cp .gitconfig .gitignore .gitignore_global ../
-cp .hgignore_global ../
-cp .profile ../
-cp .bash_logout .bashrc ../
-cp -r .zsh_functions .zprofile .zshenv .zshrc ../
-cp -r .rc.d ../
+#!/usr/bin/env bash
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$SCRIPT_DIR/files.sh"
+
+cd "$SCRIPT_DIR" || exit 1
+
+for file in "${FILES[@]}"; do
+    if [ -e "./$file" ] || [ -L "./$file" ]; then
+        cp -r "./$file" ../
+    fi
+done
+