From d7f0a1b93781fa77bcec0ea9dd1c3f90512c072b Mon Sep 17 00:00:00 2001
From: Adriaan de Groot <groot@kde.org>
Date: Tue, 11 Dec 2018 13:55:31 +0100
Subject: [PATCH 1/2] [lang] Xml could be option, this is developer tooling
 after all

---
 lang/CMakeLists.txt | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/lang/CMakeLists.txt b/lang/CMakeLists.txt
index 65c0c4ca2..37ea8356c 100644
--- a/lang/CMakeLists.txt
+++ b/lang/CMakeLists.txt
@@ -18,7 +18,8 @@
 #
 ###
 
-find_package( Qt5 ${QT_VERSION} CONFIG REQUIRED Xml )
-
-add_executable(txload txload.cpp)
-target_link_libraries(txload Qt5::Xml)
+find_package(Qt5 COMPONENTS Xml)
+if( Qt5Xml_FOUND )
+    add_executable(txload txload.cpp)
+    target_link_libraries(txload Qt5::Xml)
+endif()

From 33c5baa9f31bef11ac62ccf230ad410b17c509b9 Mon Sep 17 00:00:00 2001
From: Adriaan de Groot <groot@kde.org>
Date: Tue, 11 Dec 2018 14:03:18 +0100
Subject: [PATCH 2/2] [lang] Add usage information

 - This developer tool was originally committed with a not-useful
   commit message, no usage info, and no documentation. Bad [ade].
---
 lang/txload.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/lang/txload.cpp b/lang/txload.cpp
index 51b9dacb1..36e0f71a2 100644
--- a/lang/txload.cpp
+++ b/lang/txload.cpp
@@ -16,6 +16,11 @@
  *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
  */
 
+/*
+ * Tool to find differences between translations (can be used to help
+ * merging them into one). See usage string, below, for details.
+ */
+
 #include <QCoreApplication>
 #include <QDebug>
 #include <QFile>
@@ -23,6 +28,16 @@
 
 #include <QDomDocument>
 
+static const char usage[] = "Usage: txload <master> [<subsidiary> ...]\n"
+    "\n"
+    "Reads a .ts source file <master> and zero or more .ts <subsidiary>\n"
+    "files, and does a comparison between the translations. Source (English)\n"
+    "strings that are untranslated are flagged in each of the translation\n"
+    "files, while differences in the translations are themselves also shown.\n"
+    "\n"
+    "Outputs to stdout a human-readable list of differences between the\n"
+    "translations.\n";
+
 bool load_file(const char* filename, QDomDocument& doc)
 {
     QFile file(filename);
@@ -158,7 +173,10 @@ int main(int argc, char** argv)
     QCoreApplication a(argc, argv);
 
     if (argc < 2)
+    {
+        qWarning() << usage;
         return 1;
+    }
 
     QDomDocument doc("master");
     if ( !load_file(argv[1], doc) )