main/itstool: upgrade to 2.0.6

Modernise and enable full test suite

Changelog:
https://github.com/itstool/itstool/blob/master/NEWS#L1

main/itstool/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=itstool
-pkgver=2.0.4
-pkgrel=3
+pkgver=2.0.6
+pkgrel=0
 pkgdesc="ITS-based XML translation tool"
 url="http://itstool.org/"
 arch="noarch"
 license="GPL-3.0-or-later"
 depends="py3-libxml2 python3"
+makedepends="autoconf automake"
+checkdepends="diffutils gettext"
 subpackages="$pkgname-doc"
-source="http://files.itstool.org/itstool/$pkgname-$pkgver.tar.bz2
+source="$pkgname-$pkgver.tar.gz::https://github.com/itstool/itstool/archive/$pkgver.tar.gz
 	fix-segfault.patch"
-builddir="$srcdir/$pkgname-$pkgver"
 
-build() {
-	cd "$builddir"
+prepare() {
+	default_prepare
+	autoreconf -vif
+}
 
+build() {
 	PYTHON="/usr/bin/python3" ./configure \
 		--build=$CBUILD \
 		--host=$CHOST \
@@ -27,17 +31,12 @@ build() {
 }
 
 check() {
-	cd "$builddir"
-	make check
-	# verify that the shebang is correct
-	chmod +x itstool
-	./itstool
+	python3 tests/run_tests.py
 }
 
 package() {
-	cd "$builddir"
 	make DESTDIR="$pkgdir" install
 }
 
-sha512sums="f5cfa9c75710f9cc43a61caeb92ca04ec77023bce6fb14d770dda82efde2e5d9050245618c249d309227a3d43555cb1739f5fe680b4a370786ed4631fa9ee4b7  itstool-2.0.4.tar.bz2
-eb426e7cc9f151154f47b93ef46d6fcfb5fa0982be3bf78863ebf5ea009a89de252a6c63dfb090d76003c47107ebb5d1ac2a7d1ef7db08defe19e32f996dbdbd  fix-segfault.patch"
+sha512sums="900889d7c668eb87b516334702c926f1195e105a3568bc66c6bbc2b7e94302f6ae394a7de293dc516d11bca04fb1a25d150da06901c74df1a3714bdeb0a9cd03  itstool-2.0.6.tar.gz
+a47ab86ee0ea7b8fa8329649cda28db91e106ffdc695836e55f274b406759e3945835dbaf32230a30f2afaf482aff0ef205a12d722a19a6ab874c8f33413df9a  fix-segfault.patch"

main/itstool/fix-segfault.patch

@@ -14,7 +14,7 @@ diff --git a/itstool.in b/itstool.in
 index c1d0585..e492e95 100755
 --- a/itstool.in
 +++ b/itstool.in
-@@ -1048,7 +1048,7 @@ class Document (object):
+@@ -1053,7 +1053,7 @@ class Document (object):
          else:
              ctxt.replaceEntities(1)
          ctxt.parseDocument()