Initial bup contribution

Signed-off-by: delphi <cpp.create@gmail.com>

testing/bup/APKBUILD

+# Contributor: Pavel Pletenev <cpp.create@gmail.com>
+# Maintainer: Pavel Pletenev <cpp.create@gmail.com>
+pkgname=bup
+subpackages="bup-doc"
+pkgver=0.30.1
+pkgrel=0
+pkgdesc="Very efficient backup system based on the git packfile format"
+url="https://github.com/bup/bup"
+arch="all"
+license="LGPL-2.0-only"
+depends="fuse git python2"
+makedepends="autoconf automake libtool python2-dev pandoc linux-headers"
+options="!check" # No test suite
+source="$pkgname-$pkgver.tar.gz::https://github.com/bup/bup/archive/$pkgver.tar.gz fix-missing-lchmod.patch"
+
+prepare() {
+	default_prepare
+	echo "$pkgver" > "$builddir"/VERSION
+}
+
+build() {
+	export GIT_CEILING_DIRECTORIES="$srcdir"
+	make
+}
+
+package() {
+	make PREFIX="/usr" DESTDIR="$pkgdir" install
+}
+
+
+sha512sums="467bdcb55a340b3c9c591c0aef6abd7d687879d5f608dce4fc26085ff3f41af204cc2720bc99fdfe61ebb846d61dea63713b69c68e41361e92d5709ede6f12d7  bup-0.30.1.tar.gz
+f1af9a9d8427400257ca55d82e1f215fa455c9c4d5a6c524c9cdc721625783c5a37ac46310a7090614437a5ece83362b0b9d53cb8000db915b4007572b102c78  fix-missing-lchmod.patch"

testing/bup/fix-missing-lchmod.patch

+diff --git a/lib/bup/metadata.py b/lib/bup/metadata.py
+index 89c7f0c..f2cb8c5 100644
+--- a/lib/bup/metadata.py
++++ b/lib/bup/metadata.py
+@@ -112,7 +112,7 @@ def check_linux_file_attr_api():
+
+ verbose = 0
+
+-_have_lchmod = hasattr(os, 'lchmod')
++_have_lchmod = False #hasattr(os, 'lchmod')
+
+
+ def _clean_up_path_for_archive(p):