Add patch script support

scripts/update.sh

@@ -1,6 +1,31 @@
 #!/bin/bash
 
+# If repo isn't out of date, abort update
+if [[ -z "$(git remote show origin | grep "out of date")" ]]; then
+  exit 0
+fi
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+last_hash=$( git rev-parse HEAD )
+
+recent_hashes=$( git log --format=format:%H | grep -B 100 $last_hash)
+
+# Resets the repo to last state
 git reset --hard
+
+# Pulls new commits
 git pull
+
+# Downloads or updates repo submodules
 git submodule update --init --recursive
+
+# Removes untracked files and directories
 git clean -fd --force
+
+# Runs patch scripts to ensure machine state
+# is up to date
+while IFS= read -r hash; do
+  short_hash=$( echo $hash | cut -c -7 ) 
+  /usr/bin/bash "$SCRIPT_DIR"/../patches/*-"$short_hash".sh 2>/dev/null
+done <<< "$recent_hashes"