community/appstream: apply upstream patch to fix SEGFAULTs in appstream-generator

community/appstream/1109c847b272be6b65ec3d2a4c58e91f0be369fc.patch

+Upstream: Yes
+From 1109c847b272be6b65ec3d2a4c58e91f0be369fc Mon Sep 17 00:00:00 2001
+From: Matthias Klumpp <matthias@tenstral.net>
+Date: Thu, 3 Sep 2020 00:07:48 +0200
+Subject: [PATCH] validator: Don't pass NULL to vprintf, it's not an allowed
+ value
+
+The format parameter is listed as non-nullable in the API documentation,
+and crashes were reported indicating that this does cause real-world
+issues. This likely fixes
+https://github.com/ximion/appstream-generator/issues/83
+---
+ src/as-validator.c | 8 +++++---
+ 1 file changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/src/as-validator.c b/src/as-validator.c
+index 32704b70..53d87f8f 100644
+--- a/src/as-validator.c
++++ b/src/as-validator.c
+@@ -158,9 +158,11 @@ as_validator_add_issue (AsValidator *validator, xmlNode *node, const gchar *tag,
+ 		explanation = tag_data->explanation;
+ 	}
+ 
+-	va_start (args, format);
+-	buffer = g_strdup_vprintf (format, args);
+-	va_end (args);
++	if (format != NULL) {
++		va_start (args, format);
++		buffer = g_strdup_vprintf (format, args);
++		va_end (args);
++	}
+ 
+ 	issue = as_validator_issue_new ();
+ 	as_validator_issue_set_tag (issue, tag_final);

community/appstream/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer:
 pkgname=appstream
 pkgver=0.12.11
-pkgrel=0
+pkgrel=1
 pkgdesc="Provides a standard for creating app stores across distributions"
 url="https://distributions.freedesktop.org/wiki/AppStream"
 arch="all"
@@ -12,7 +12,8 @@ makedepends="meson yaml-dev libxml2-dev glib-dev lmdb-dev gobject-introspection-
 triggers="$pkgname.trigger=/usr/share/app-info/*"
 install="$pkgname.post-install $pkgname.post-upgrade"
 subpackages="$pkgname-dev $pkgname-doc $pkgname-qt $pkgname-lang"
-source="https://www.freedesktop.org/software/appstream/releases/AppStream-$pkgver.tar.xz"
+source="https://www.freedesktop.org/software/appstream/releases/AppStream-$pkgver.tar.xz
+	https://github.com/ximion/appstream/commit/1109c847b272be6b65ec3d2a4c58e91f0be369fc.patch"
 builddir="$srcdir/AppStream-$pkgver"
 
 build() {
@@ -49,4 +50,5 @@ qt() {
 	mkdir -p "$subpkgdir"/usr/lib
 	mv "$pkgdir"/usr/lib/libAppStreamQt.so.* "$subpkgdir"/usr/lib
 }
-sha512sums="6000f4e9f995b2d481374db2409f212da9d48893c4a757cb7287e2731117f50d0ed284dedc0e24e505b3b7c9c9f38dd9a5f855eeb6c7445eb7203e74d4a5f790  AppStream-0.12.11.tar.xz"
+sha512sums="6000f4e9f995b2d481374db2409f212da9d48893c4a757cb7287e2731117f50d0ed284dedc0e24e505b3b7c9c9f38dd9a5f855eeb6c7445eb7203e74d4a5f790  AppStream-0.12.11.tar.xz
+5e7dff5eef8e82d61f451250218d85d46611e57e2480621aba178a84f1e143f78d69296b942abb4343b2fb94a917657d1e71f77b62b5a4be750e21c73a2bf6a6  1109c847b272be6b65ec3d2a4c58e91f0be369fc.patch"