add commit-ts target to commit ts files without line number info

it is pretty pointless to commit the extracted line number information,
as it needs to be refreshed after pulling source code changes anyway. on
top of it, it bloats the repository.

share/qtcreator/translations/translations.pro

@@ -12,6 +12,7 @@ defineReplace(prependAll) {
 XMLPATTERNS = $$targetPath($$[QT_INSTALL_BINS]/xmlpatterns)
 LUPDATE = $$targetPath($$[QT_INSTALL_BINS]/lupdate) -locations relative -no-ui-lines -no-sort
 LRELEASE = $$targetPath($$[QT_INSTALL_BINS]/lrelease)
+LCONVERT = $$targetPath($$[QT_INSTALL_BINS]/lconvert)
 
 TRANSLATIONS = $$prependAll(LANGUAGES, $$PWD/qtcreator_,.ts)
 
@@ -42,6 +43,23 @@ ts-all.commands = cd $$IDE_SOURCE_TREE && $$LUPDATE src share/qtcreator/qmldesig
 ts-all.depends = extract
 QMAKE_EXTRA_TARGETS += ts-all
 
+isEqual(QMAKE_DIR_SEP, /) {
+    commit-ts.commands = \
+        cd $$IDE_SOURCE_TREE; \
+        for f in `git diff-files --name-only share/qtcreator/translations/*_??.ts`; do \
+            $$LCONVERT -locations none -i \$\$f -o \$\$f; \
+        done; \
+        git add share/qtcreator/translations/*_??.ts && git commit
+} else {
+    wd = $$replace(IDE_SOURCE_TREE, /, \\)
+    commit-ts.commands = \
+        cd $$wd && \
+        for /f usebackq %%f in (`git diff-files --name-only share/qtcreator/translations/*_??.ts`) do \
+            $$LCONVERT -locations none -i %%f -o %%f $$escape_expand(\\n\\t) \
+        cd $$wd && git add share/qtcreator/translations/*_??.ts && git commit
+}
+QMAKE_EXTRA_TARGETS += commit-ts
+
 ts.commands = \
     @echo \"The \'ts\' target has been removed in favor of more fine-grained targets.\" && \
     echo \"Use \'ts-<lang>\' instead. To add a language, use \'ts-untranslated\',\" && \