Add install and update scripts

install.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+#set -e
+#set -x
+
+[[ $(basename "${BASH_SOURCE}") = "install.sh" ]] && install=true || install=false
+[[ "${install}" = true ]] && update=false || update=true
+echo "install: ${install}"
+echo "update: ${update}"
+
+if $install; then
+    echo -n "Installing..."
+    source "script/install.sh"
+fi
+
+if $update; then
+    echo -n "Updating..."
+    source "script/update.sh"
+fi
+
+echo "Done"

script/install.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -e
+#set -e
 #set -x
 
 # Create symlink to project files in home directory.

script/update.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+set -x
+
+wget "https://raw.github.com/git/git/master/contrib/completion/git-completion.bash" -O git/git-completion.bash

update.sh

@@ -0,0 +1 @@
+install.sh