main/rdiff-backup: fix version reported as 0.0.0

Before:
 $ rdiff-backup --version
 rdiff-backup 0.0.0

main/rdiff-backup/0003-fix-version.patch

+diff --git a/setup.cfg b/setup.cfg
+index 8bfd5a1..ed1b664 100644
+--- a/setup.cfg
++++ b/setup.cfg
+@@ -1,3 +1,6 @@
++[metadata]
++version = %%PKGVER%%
++
+ [egg_info]
+ tag_build = 
+ tag_date = 0

main/rdiff-backup/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Jeremy Thomerson <jeremy@thomersonfamily.com>
 pkgname=rdiff-backup
 pkgver=2.0.5
-pkgrel=2
+pkgrel=3
 pkgdesc="Reverse differential backup tool"
 # Requires unpackaged 'xattr'
 options="!check"
@@ -17,8 +17,15 @@ subpackages="
 source="https://github.com/rdiff-backup/rdiff-backup/releases/download/v$pkgver/rdiff-backup-$pkgver.tar.gz
 	0001-Resolve-runtime-dependency-on-setuptools-to-get-vers.patch
 	0002-remove-setuptools_scm.patch
+	0003-fix-version.patch
 	"
 
+prepare() {
+	default_prepare
+	sed -e "s/%%PKGVER%%/$pkgver/" \
+		-i setup.cfg
+}
+
 build() {
 	python3 setup.py build
 }
@@ -35,6 +42,9 @@ bashcomp() {
 	amove usr/share/bash-completion
 }
 
-sha512sums="59482e6d78bc887fc99efd4b4779e9b41c7e4b0427e51b80b18a550d0051e4213a0c200296154759d1734f511f7abe3175d171f018c59c55e5abdfd0a890cfbd  rdiff-backup-2.0.5.tar.gz
+sha512sums="
+59482e6d78bc887fc99efd4b4779e9b41c7e4b0427e51b80b18a550d0051e4213a0c200296154759d1734f511f7abe3175d171f018c59c55e5abdfd0a890cfbd  rdiff-backup-2.0.5.tar.gz
 10788ac9ab17849e3f22a4fcfc9b7cd4ea528067591c00f58fb2f41fbb5773e904665d116d92f21fada4b18147e5d1eb31a042be011021a280e2cb87f6683ed0  0001-Resolve-runtime-dependency-on-setuptools-to-get-vers.patch
-4130fd33ab9048e266f7c9a3c0d069e45df27a7a1cf31265c035e8b75f4283d675624064e6a181e2c282b2d2b91975ae07564a37c2ff60f48e46aeae0f7bc120  0002-remove-setuptools_scm.patch"
+4130fd33ab9048e266f7c9a3c0d069e45df27a7a1cf31265c035e8b75f4283d675624064e6a181e2c282b2d2b91975ae07564a37c2ff60f48e46aeae0f7bc120  0002-remove-setuptools_scm.patch
+236314c5d51d600abbfb55f084b47e0d60e3182be69803bb0abeff50e0d8750ab29b603abbf39b1a6aa94fe7a6593e121abb330bb8a348fcc27c7a0c3f4bed0b  0003-fix-version.patch
+"