Add a patch to upstream issue #103 + Switch license to SPDX identifier

See Antiz96/arch-update#103 & Antiz96/arch-update#104

.SRCINFO

@@ -1,10 +1,10 @@
 pkgbase = arch-update
 	pkgdesc = An update notifier/applier that assists you with important pre/post update tasks.
 	pkgver = 1.10.1
-	pkgrel = 1
+	pkgrel = 2
 	url = https://github.com/Antiz96/arch-update
 	arch = any
-	license = GPL3
+	license = GPL-3.0-or-later
 	depends = pacman-contrib
 	depends = curl
 	depends = htmlq
@@ -17,6 +17,8 @@ pkgbase = arch-update
 	optdepends = sudo: Privilege elevation
 	optdepends = doas: Privilege elavation
 	source = arch-update-1.10.1.tar.gz::https://github.com/Antiz96/arch-update/archive/v1.10.1.tar.gz
+	source = fix_flatpak_updates_detection.patch::https://github.com/Antiz96/arch-update/commit/ec8a61c1add94877cce05f73b3ea9cf83f354b1a.patch
 	sha256sums = 4cc4ccee9af80ec347c2d444e1ae43ce323cd05fd13d0d750f886fa190a78c85
+	sha256sums = 029d84a448592287c5d3660a894fc23b0b32d251d97ccbb884760add0a59cbc6
 
 pkgname = arch-update

PKGBUILD

@@ -2,11 +2,11 @@
 
 pkgname=arch-update
 pkgver=1.10.1
-pkgrel=1
+pkgrel=2
 pkgdesc="An update notifier/applier that assists you with important pre/post update tasks."
 arch=('any')
 url="https://github.com/Antiz96/arch-update"
-license=('GPL3')
+license=('GPL-3.0-or-later')
 depends=('pacman-contrib' 'curl' 'htmlq' 'diffutils')
 optdepends=('yay: AUR support'
 	    'paru: AUR support'
@@ -15,8 +15,17 @@ optdepends=('yay: AUR support'
 	    'vim: Default merge program for pacdiff'
 	    'sudo: Privilege elevation'
 	    'doas: Privilege elavation')
-source=("${pkgname}-${pkgver}.tar.gz::${url}/archive/v${pkgver}.tar.gz")
-sha256sums=('4cc4ccee9af80ec347c2d444e1ae43ce323cd05fd13d0d750f886fa190a78c85')
+source=("${pkgname}-${pkgver}.tar.gz::${url}/archive/v${pkgver}.tar.gz"
+	"fix_flatpak_updates_detection.patch::https://github.com/Antiz96/arch-update/commit/ec8a61c1add94877cce05f73b3ea9cf83f354b1a.patch")
+sha256sums=('4cc4ccee9af80ec347c2d444e1ae43ce323cd05fd13d0d750f886fa190a78c85'
+            '029d84a448592287c5d3660a894fc23b0b32d251d97ccbb884760add0a59cbc6')
+
+prepare() {
+	cd "${pkgname}-${pkgver}"
+	# Temporary patch to make the Flatpak packages updates detection more robust and avoid eventual false positives
+	# See https://github.com/Antiz96/arch-update/pull/104
+	patch -Np1 <"${srcdir}/fix_flatpak_updates_detection.patch"
+}
 
 package() {
 	cd "${pkgname}-${pkgver}"