diff --git a/bin/bootstrap.php b/bin/bootstrap.php
index bf90aa0..19d12bc 100644
--- a/bin/bootstrap.php
+++ b/bin/bootstrap.php
@@ -1,6 +1,6 @@
 <?php
 
-define("APP_VERSION", "0.1-pre");
+if (!defined('APP_VERSION')) define("APP_VERSION", "0.1-pre");
 
 require_once __DIR__."/../vendor/autoload.php";
 require_once __DIR__."/systemtest.php";
diff --git a/build/app.prop b/build/app.prop
new file mode 100644
index 0000000..0d6dd00
--- /dev/null
+++ b/build/app.prop
@@ -0,0 +1,4 @@
+# comment
+
+APP_VERSION=0.2.x
+APP_NAME=hotfix
diff --git a/build/gitprops.php b/build/gitprops.php
new file mode 100644
index 0000000..5b9b3e0
--- /dev/null
+++ b/build/gitprops.php
@@ -0,0 +1,10 @@
+<?php
+
+$git = trim(exec("git describe --tags"));
+$git = explode("-",$git);
+if (count($git)>1) {
+    $git = array_slice($git,0,2);
+}
+$git = join(".",$git);
+
+echo "APP_VERSION={$git}\n";
diff --git a/composer.json b/composer.json
index 78d2a10..d48eb2a 100644
--- a/composer.json
+++ b/composer.json
@@ -18,6 +18,7 @@
         "symfony/console": "^3.0",
         "symfony/yaml": "^3.0",
         "noccylabs/downloader": "@dev",
-        "symfony/expression-language": "^3.2"
+        "symfony/expression-language": "^3.2",
+        "noccylabs/tinyphar": "^0.1.1"
     }
 }
diff --git a/installer/install.sh b/installer/install.sh
index 96a770a..3aa15dc 100644
--- a/installer/install.sh
+++ b/installer/install.sh
@@ -1,5 +1,10 @@
 #!/bin/bash
 
+if [ ! -d ~/bin ]; then
+    echo "Creating ~/bin..."
+    mkdir ~/bin
+fi
+
 echo "Installing hotfix executable..."
 cp hotfix ~/bin/hotfix
 echo "Fixing permissions..."
diff --git a/installer/message b/installer/message
index 4342f12..c2e4a32 100644
--- a/installer/message
+++ b/installer/message
@@ -1,5 +1,11 @@
-This installer will put hotfix into the bin directory of the current user, ie. install it as ~/bin/hotfix. If the directory does not exist, it will be created.
-
-Most Linux distributions will automatically add ~/bin to the path if it exists. If hotfix isn't callable from the command line after restarting your shell and/or rebooting, please consult the documentation.
+This will install hotfix into the bin directory of the current user (as ~/bin/hotfix). If
+the directory does not exist, it will be created. Most Linux distributions will add the
+~/bin directory to the path if it is found. If hotfix isn't callable from the command line
+after restarting your shell and/or rebooting, please consult the documentation.
 
 Some basic aliases will be installed into ~/.hotfix.conf if the file doesn't already exist.
+Just remember to import the keys of the publishers whose hotfixes you are applying!
+
+
+
+This installer was created on %{installer.date}