From 1ef5e7a356439d286e3a74859a0a0a04c3b8dc90 Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@drexel.edu>
Date: Wed, 26 Nov 2008 13:08:39 -0500
Subject: [PATCH] Added update.sh and some small adjustments in _bashrc.

---
 _bashrc   |  9 +++++++--
 update.sh | 44 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+), 2 deletions(-)
 create mode 100755 update.sh

diff --git a/_bashrc b/_bashrc
index d993c94..200b201 100644
--- a/_bashrc
+++ b/_bashrc
@@ -168,12 +168,17 @@ fi
 
 # If we don't have checked out copies of our dotfiles, get them
 if [ ! -d ~/.dotfiles/ ]; then
+    http="http://einstein.physics.drexel.edu/~wking/code/git/dotfiles.git"
+    ssh="http://einstein.physics.drexel.edu/~wking/code/git/dotfiles.git"
+    tgz="http://einstein.physics.drexel.edu/~wking/code/tar/dotfiles.tgz"
     if [ $GIT_INSTALLED == "true" ]; then
-        git clone http://einstein.physics.drexel.edu/~wking/code/git/dotfiles.git ~/.dotfiles
+        git clone $http ~/.dotfiles
+        # setup to use ssh by default.
+        sed -i "s/$http/$ssh/" ~/.dotfiles/.git/config
     else
         # fallback on wgetting the tarball
         pushd ~
-	wget http://einstein.physics.drexel.edu/~wking/code/tar/dotfiles.tgz
+	wget --output-document dotfiles.tgz $tgz
 	tar -xzvf dotfiles.tgz
 	rm -rf dotfiles.tgz
 	popd
diff --git a/update.sh b/update.sh
new file mode 100755
index 0000000..6bf4855
--- /dev/null
+++ b/update.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+#
+# Get the current dotfiles from the server using a variety of methods.
+#
+# In order of decreasing preference:
+#   if we have git installed
+#     git over ssh, if there is an ssh agent running
+#     git over http
+#   otherwise
+#     wget a tarball
+
+# The default ssh url is stored in .git/config, so we don't need it here
+http="http://einstein.physics.drexel.edu/~wking/code/git/dotfiles.git"
+tgz="http://einstein.physics.drexel.edu/~wking/code/tar/dotfiles.tgz"
+
+
+# Check for Git (versioning system) so we know how to get our .dotfiles
+if [ -d .git ];then
+   GIT_INSTALLED="true"
+else
+   GIT_INSTALLED="false"
+fi
+
+# Check for a SSH agent
+if [ -n "$SS_AUTH_SOCK" ] && [ -n "$SSH_AGENT_PID" ]; then
+   SSH_AGENT="true"
+else
+   SSH_AGENT="false"
+fi
+
+if [ $GIT_INSTALLED == "true" ]; then
+    if [ $SSH_AGENT == "true" ]; then
+	git pull || exit 1
+    else
+	git pull $http master || exit 1
+    fi
+else
+    # fallback on wgetting the tarball
+    pushd ~
+    wget --output-document dotfiles.tgz $tgz || exit 1
+    tar -xzvf dotfiles.tgz || exit 1
+    rm -rf dotfiles.tgz || exit 1
+    popd
+fi
-- 
2.26.2