added include for selecting qt version

1 files changed, 21 insertions, 0 deletions

diff --git a/remote/includes/qt.inc b/remote/includes/qt.inc
new file mode 100644
index 00000000..e14aed4b
--- /dev/null
+++ b/remote/includes/qt.inc
@@ -0,0 +1,21 @@
+activate_qt() {
+	[ $# -eq 1 ] || perror "activate_qt() requires the version as only argument, $# given."
+	local QT_VERSION="$1"
+	local QT_DEFAULT="$(readlink -f /usr/share/qtchooser/default.conf)"
+	if [ -e "$QT_DEFAULT" ]; then
+		[[ "$(basename "$QT_DEFAULT")" =~ ^qt$QT_VERSION.*\.conf$ ]] || perror "Something with QT4 is bad. Check '/usr/share/qtchooser'"
+	else
+		# no default active, try to set it
+		local QT_CANDIDATES="$(ls /usr/share/qtchooser | grep -v default.conf | grep qt$QT_VERSION)"
+		local QTS="$(echo $QT_CANDIDATES | wc -w)"
+		if [ "$QTS" -eq 1 ]; then
+			# we found it, lets activate it and hope for the best
+			ln -sf /usr/share/qtchooser/$QT_CANDIDATES /usr/share/qtchooser/default.conf \
+				|| perror "Could not link 'default.conf' to '/usr/share/qtchooser/$QT_CANDIDATES'"
+		else
+			# here we have the case with different qt4 files or none at all
+			# in both cases, there is a bigger problem we shouldn't try to guess which one is correct
+			perror "Either none or more than 1 qt4 version found in '/usr/share/qtchooser'. The configuration is messy. Fix it first."
+		fi
+	fi
+}