2012-06-18: first step: distro recognition.

first step: distro recognition.

diff --git a/setup_infocalypse_on_linux.sh b/setup_infocalypse_on_linux.sh
new file mode 100755
--- /dev/null
+++ b/setup_infocalypse_on_linux.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Install and prepare infocalypse on your system.
+
+echo -n "Where do you store your Mercurial plugins? [~/.local/hgext]: "
+read hgext
+if [ "$hgext" == "" ]; then
+    hgext="~/.local/hgext"
+fi
+
+distro () {
+    if which apt-get >&/dev/null; then
+        dist="debian"
+    fi
+    if which emerge >&/dev/null; then
+        dist="gentoo"
+    fi
+    echo $dist
+}
+
+if [ $(distro) == "gentoo" ]; then 
+    echo "gentoo"
+fi