scripts: add create-uninstalled-setup script

Little script that sets up things in ~/gst and clones
the main modules and prints some instructions.

From http://gstreamer.freedesktop.org/wiki/UninstalledSetup

diff --git a/scripts/create-uninstalled-setup.sh b/scripts/create-uninstalled-setup.sh
new file mode 100755 (executable)
index 0000000..07224d8
--- /dev/null
+++ b/scripts/create-uninstalled-setup.sh
@@ -0,0 +1,110 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+#
+# create-uninstalled-setup.sh
+#
+# Little shell script that creates a fresh GStreamer uninstalled setup in
+# your home directory.
+#
+# ----------------------------------------------------------------------------
+#
+# Copyright (C) 2011-2012 Tim-Philipp Muller <tim centricular net>
+#
+# This script is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Library General Public License for more details.
+#
+# You should have received a copy of the GNU Library General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+#
+# ----------------------------------------------------------------------------
+
+set -e
+
+# set BRANCH to "0.10" for a GStreamer 0.10.x checkout
+BRANCH="master"
+
+# set to "ssh" if you have a developer account and ssh access
+GIT_ACCESS="anongit"
+
+# git modules to clone
+MODULES="gstreamer gst-plugins-base gst-plugins-good gst-plugins-ugly gst-plugins-bad gst-ffmpeg"
+
+# note: we use ~/gst because that's what the gst-uninstalled script
+# uses by default, so don't just change that to something else
+UNINSTALLED_ROOT=~/gst
+
+echo "==========================================================================================="
+echo "Creating new GStreamer uninstalled environment for branch $BRANCH in $UNINSTALLED_ROOT ... "
+echo "==========================================================================================="
+
+mkdir -p $UNINSTALLED_ROOT
+mkdir -p $UNINSTALLED_ROOT/$BRANCH
+
+mkdir -p $UNINSTALLED_ROOT/$BRANCH/prefix
+
+
+cd $UNINSTALLED_ROOT/$BRANCH
+
+for m in $MODULES
+do
+  if test "$GIT_ACCESS" = "ssh"; then
+    git clone ssh://git.freedesktop.org/gstreamer/$m
+  else
+    git clone git://anongit.freedesktop.org/gstreamer/$m
+  fi
+
+  cd $m
+  if test "$BRANCH" != "master"; then
+    git checkout -b $BRANCH origin/$BRANCH
+  fi
+  cd ..
+done
+
+cd $UNINSTALLED_ROOT
+ln -s $BRANCH/gstreamer/scripts/gst-uninstalled gst-$BRANCH
+chmod +x gst-$BRANCH
+
+cd ~
+
+echo "==========================================================================================="
+echo
+echo "Done. Created new GStreamer uninstalled environment for branch $BRANCH in $UNINSTALLED_ROOT"
+echo
+echo "To enter the uninstalled environment do: cd $UNINSTALLED_ROOT; ./gst-$BRANCH"
+echo
+echo "To leave the uninstalled environment do: exit"
+echo
+echo "To check the uninstalled environment do: printenv | grep GST"
+echo "    (loads of output = you're in the uninstalled environment)"
+echo
+echo "==========================================================================================="
+echo
+echo "Now compile all GStreamer modules one by one by first switching into"
+echo "the uninstalled environment and then doing:"
+echo
+echo "    cd <MODULE>; ./autogen.sh; make"
+echo
+echo "First gstreamer, then gst-plugins-base, then the other modules."
+echo "You do not need to do 'make install'"
+echo
+echo "==========================================================================================="
+echo
+echo "If your system GLib is too old, you can install a newer version"
+echo "into --prefix=$UNINSTALLED_ROOT/$BRANCH/prefix and it should be picked up"
+echo "by autogen.sh/configure"
+echo
+echo "==========================================================================================="
+echo
+echo "Also see http://gstreamer.freedesktop.org/wiki/UninstalledSetup
+echo
+echo "==========================================================================================="
+