diff --git a/conf-sync.sh b/conf-sync.sh
new file mode 100644
index 0000000..3296fcd
--- /dev/null
+++ b/conf-sync.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+
+source "$(dirname "$0")/variables.conf"
+
+for dir in $sync_directory; do
+  git -C $dir rev-parse 2>/dev/null
+  if [ "$?" -ne 0 ]; then # ie. this is not a git repo
+    continue
+  fi
+  git -C $dir fetch
+  UPSTREAM=${1:-'@{u}'}
+  LOCAL=$(git -C $dir rev-parse @)
+  REMOTE=$(git -C $dir rev-parse "$UPSTREAM")
+  BASE=$(git -C $dir merge-base @ "$UPSTREAM")
+  if [ $LOCAL = $REMOTE ]; then
+      echo "$dir: up-to-date"
+  elif [ $LOCAL = $BASE ]; then
+      echo "pulling $dir"
+      git -C pull
+      if []; then
+        echo "Running $dir\'s install script..."
+        $dir/install.sh
+      fi
+  elif [ $REMOTE = $BASE ]; then
+      echo "WARNING: $dir is ahead of remote!"
+  else
+      echo "WARNING: $dir and remote have diverged!"
+  fi
+done
+
+exit 0