From 71f18fdaae156eabd5a35749626bec0f8f33718d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Verschelde?= <rverschelde@gmail.com>
Date: Sat, 28 May 2016 13:00:57 +0200
Subject: [PATCH] i18n: Add makefile to handle translation updates

---
 tools/translations/Makefile   | 20 ++++++++++++++++++++
 tools/translations/extract.py |  4 ++--
 2 files changed, 22 insertions(+), 2 deletions(-)
 create mode 100644 tools/translations/Makefile

diff --git a/tools/translations/Makefile b/tools/translations/Makefile
new file mode 100644
index 0000000000..30b0832783
--- /dev/null
+++ b/tools/translations/Makefile
@@ -0,0 +1,20 @@
+# Makefile providing various facilities to manage translations
+
+TEMPLATE = tools.pot
+POFILES = $(wildcard *.po)
+LANGS = $(POFILES:%.po=%)
+
+all: update merge
+
+update:
+	@cd ../..; python tools/translations/extract.py
+
+merge:
+	@for po in $(POFILES); do \
+	  echo -e "\nMerging $$po..."; \
+	  msgmerge -w 80 -C $$po $$po $(TEMPLATE) > "$$po".new; \
+	  mv -f "$$po".new $$po; \
+	done
+
+check:
+	@for po in $(POFILES); do msgfmt -c $$po -o /dev/null; done
diff --git a/tools/translations/extract.py b/tools/translations/extract.py
index 195f45f637..ef3ad4da65 100755
--- a/tools/translations/extract.py
+++ b/tools/translations/extract.py
@@ -107,5 +107,5 @@ shutil.move("tools.pot", "tools/translations/tools.pot")
 if (os.name == "posix"):
 	added = subprocess.check_output("git diff tools/translations/tools.pot | grep \+msgid | wc -l", shell = True)
 	removed = subprocess.check_output("git diff tools/translations/tools.pot | grep \\\-msgid | wc -l", shell = True)
-	print("Template changes compared to the staged status:")
-	print("  Additions: %s msgids.\n  Deletions: %s msgids." % (int(added), int(removed)))
+	print("\n# Template changes compared to the staged status:")
+	print("#   Additions: %s msgids.\n#   Deletions: %s msgids." % (int(added), int(removed)))