diff --git a/script/centos-build b/script/centos-build
index 0db20bac..c4f6bc92 100755
--- a/script/centos-build
+++ b/script/centos-build
@@ -1,29 +1,100 @@
-#!/bin/bash -eu
+#!/usr/bin/env bash
 #
 # This script works with CentOS 6 or 7
-# The CentOS 5 kernel is too old for go's liking.
+# The CentOS 5 kernel is too old for go's liking, but this script works on CentOS 5
+
+set -eu
 
 trap 'echo FAIL' ERR
 
-if grep -q ' 6' /etc/redhat-release; then
-  rpm -q epel-release || rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
+REDHAT_VERSION=($(head -n 1 /etc/redhat-release | \grep -Eo '[0-9]+'))
+
+if [[ ${REDHAT_VERSION[0]} == 5 ]]; then
+  pushd /tmp
+  #Don't know why rpm -Uvh {url} doesn't work... Probably 302
+  if ! rpm -q epel-release; then
+    yum install -y curl.x86_64 #Centos 5 isn't as smart about not downloading 32 bit
+    curl -L -O http://download.fedoraproject.org/pub/epel/5/x86_64/epel-release-5-4.noarch.rpm 
+    rpm -Uvh epel-release-5-4.noarch.rpm
+    rm epel-release-5-4.noarch.rpm
+  fi
+  popd
+  yum install -y bison git make man which
+else
+  if [[ ${REDHAT_VERSION[0]} == 6 ]]; then
+    rpm -q epel-release || rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
+  fi
+
+  yum install -y bison git golang make man which
 fi
 
-yum install -y bison git golang make man
-cd /tmp
-[ -d git-lfs ] || git clone https://github.com/github/git-lfs
-cd git-lfs
-./script/bootstrap
+cd $(dirname ${BASH_SOURCE[0]})
+if git rev-parse; then
+  cd $(git rev-parse --show-toplevel)
+elif [ -e bootstrap ];then
+  cd ..
+else
+  cd /tmp
+  [ -d git-lfs ] || git clone https://github.com/github/git-lfs
+  cd git-lfs
+fi
+
+if [[ ${REDHAT_VERSION[0]} == 5 ]]; then
+  if ! env PATH=${PATH}:`pwd`/go/bin which gofmt > /dev/null 2>&1; then
+    yum install -y gcc glibc
+    curl -L -O https://storage.googleapis.com/golang/go1.4.2.src.tar.gz
+    tar -zxvf go1.4.2.src.tar.gz
+    rm go1.4.2.src.tar.gz
+    pushd ./go/src
+      sed -i 's|.*--build-id.*||' ./cmd/go/build.go
+      ./make.bash
+      #This will have a few failures, but that is expected in CentOS 5
+      ./run.bash | true
+    popd
+  fi
+  export GOROOT=`pwd`/go
+  export PATH=${PATH}:${GOROOT}/bin
+fi
+
+mkdir -p src/github.com/github
+ln -s $(pwd) src/github.com/github/git-lfs
+GOPATH=`pwd` ./script/bootstrap
+
 install -D bin/git-lfs /usr/local/bin
 git lfs init
 
-# I don't know how to install ruby2.0 on CentOS6 yet
-if grep -q ' 7' /etc/redhat-release; then
-  yum install ruby ruby-devel
-  gem install ronn
-  ./script/man
-  install -D man/*.1 /usr/local/share/man/man1
-  git help lfs > /dev/null
+if which ruby > /dev/null 2>&1; then
+  IFS_OLD=${IFS}
+  IFS=.
+  RUBY_VERSION=($(ruby -e "print RUBY_VERSION"))
+  IFS=${IFS_OLD}
+else
+  RUBY_VERSION=(0 0 0) #Thanks -u!
 fi
 
+if [[ ${RUBY_VERSION[0]} < 2 ]]; then
+  if [[ ${REDHAT_VERSION[0]} < 7 ]]; then
+    yum install -y tar
+    #if gpg isn't installed, everything actually works. if it is, the key must be added or rvm won't work
+    which gpg2 > /dev/null 2>&1 && 
+      gpg2 --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
+    which gpg > /dev/null 2>&1 &&
+      gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
+    set +e #For CentOS 5
+    curl -L get.rvm.io | bash -s stable
+    set +u
+    source /usr/local/rvm/scripts/rvm
+    rvm install ruby
+    rvm use ruby
+    set -ue
+  elif grep -q ' 7' /etc/redhat-release; then
+    yum install -y ruby ruby-devel
+  fi
+fi
+
+gem install ronn
+GOPATH=`pwd` ./script/man
+install -D man/*.1 /usr/local/share/man/man1
+git help lfs > /dev/null
+
 echo SUCCESS
diff --git a/script/debian-build b/script/debian-build
index 91bbb734..478a9c1a 100755
--- a/script/debian-build
+++ b/script/debian-build
@@ -18,9 +18,17 @@ if [[ $go_version < 1.3.1 ]]; then
   set -u
 fi
 
-cd /tmp
-[ -d git-lfs ] || git clone https://github.com/github/git-lfs
-cd git-lfs
+cd $(dirname ${BASH_SOURCE[0]})
+if git rev-parse; then
+  cd $(git rev-parse --show-toplevel)
+elif [ -e bootstrap ];then
+  cd ..
+else
+  cd /tmp
+  [ -d git-lfs ] || git clone https://github.com/github/git-lfs
+  cd git-lfs
+fi
+
 ./script/bootstrap
 install -D bin/git-lfs /usr/local/bin
 git lfs init