Add get-build-deps.

get-build-deps

@@ -0,0 +1,87 @@
+#!/bin/bash
+# Copyright 2007 (C) Siegfried-A. Gevatter <siggi.gevatter@gmail.com>
+# License: GPLv3 or later
+#
+# If you don't pass it any argument, this script will check if
+# there's a control (debian/control) file somewhere in the current
+# directory, and if it's so, it'll install the build dependencies
+# listed there.
+#
+# If it gets a single argument, and it's the name of a file, it will
+# read it, supposing that each line contains the name of a package,
+# and install the build dependencies for all those.
+#
+# Otherwise, if there is more than one argument, or the given argument
+# isn't the name of an existing file, it will suppose that the each
+# argument is the name of a package, and install the dependencies for
+# all of them.
+
+if [ $# -eq 0 ]
+then
+	#########################################################
+	# Install the dependencies for the source package the
+	# user is working on.
+	
+	if [ -f ../debian/control ]; then
+		cd ..
+	elif [ ! -f ./debian/control ]; then
+		echo "\
+Couldn't find the file debian/control. You have to be inside the \
+source directory of a Debian package or pass the name of the \
+package(s) whose build dependencies you want to install in order \
+to use this script."
+		exit 1
+	fi
+	
+	if [ ! -x /usr/lib/pbuilder/pbuilder-satisfydepends ]; then
+		# The package «pbuilder» isn't installed, but it's required
+		# to install the build dependencies of a source package.
+		# Ask the user if he wants to install it automatically.
+		echo -n "\
+This script requires a component that's included in the «pbuilder» \
+package, which isn't currently installed, in order to install the \
+dependencies required to build the source package in the current \
+directory.
+
+Would you like to install pbuilder now? [y/N] "
+		read install_now
+		
+		if [ ! $install_now ] || ([ $install_now != 'y' ] && [ $install_now != 'Y' ])
+		then
+			# Don't install it. Abort.
+			exit 1
+		fi
+		
+		echo 'Installing package «pbuilder»...'
+		sudo aptitude install pbuilder
+		echo; echo
+	fi
+	
+	echo "Installing the build dependencies described in «`pwd`/debian/control»..."
+	sudo /usr/lib/pbuilder/pbuilder-satisfydepends
+	exit 0
+elif [ $# -eq 1 ]
+then
+	#########################################################
+	# Check if the given argument is a file name, else
+	# continue after the if.
+	if [ -f $1 ]
+	then
+		packages=''
+		echo "Installing the build dependencies for the following packages:"
+		while read line
+		do
+			echo $line
+			packages="$packages $line"
+		done < $1
+		echo
+		sudo apt-get build-dep $packages
+		exit 0
+	fi
+fi
+
+#########################################################
+# All arguments should be package names, install
+# their build dependencies.
+
+sudo apt-get build-dep $*