nano: update to 2.7.1

add package integrity verification
use https when possible
switch to xz format for smaller download size

nano/PKGBUILD

@@ -1,12 +1,12 @@
 # Maintainer: Alexey Pavlov <alexpux@gmail.com>
 
 pkgname=nano
-pkgver=2.7.0
+pkgver=2.7.1
 pkgrel=1
 pkgdesc="Pico editor clone with enhancements"
 arch=('i686' 'x86_64')
 license=('GPL')
-url="http://www.nano-editor.org"
+url="https://www.nano-editor.org"
 groups=('editors')
 depends=('ncurses' 'sh')
 makedepends=('make'
@@ -16,14 +16,19 @@ makedepends=('make'
              'gettext-devel')
 backup=('etc/nanorc')
 install=nano.install
-source=(http://www.nano-editor.org/dist/v${pkgver%.*}/${pkgname}-${pkgver}.tar.gz
+source=(https://www.nano-editor.org/dist/v${pkgver%.*}/${pkgname}-${pkgver}.tar.xz{,.asc}
         2.2.4-wchar.patch
         nano-2.3.4-fix-ncurses-location.patch
         nano-2.3.2-msys2.patch)
-sha256sums=('5dd1e9cf8e3de676c141a0b23f312e68380ef049926e2913e2114bbe32fbeac3'
+sha256sums=('df5cbe69831d7394c0a32fb27373ab313335ea4dc586d6f4be4081eb1de857cd'
+            'SKIP'
             '60ea17cdaf6ce0dbcf7e21b592e54aa829b34d9aab95a7ad20ddce569605c3d4'
             '576d365d7e51fc0fd6268a45023de1ea14a9a4d30df9d6c7bd2188f426422bea'
             '47c88125d8a81628208a327296b5033b264b2a98c97b5012545a2e6617c7417b')
+validpgpkeys=('8DA6FE7BFA7A418AB3CB2354BCB356DF91009FA7' # "Chris Allegretta <chrisa@asty.org>"
+              'A7F6A64A67DA09EF92782DD79DF4862AF1175C5B' # "Benno Schulenberg <bensberg@justemail.net>"
+)
+
 
 prepare() {
   cd ${srcdir}/${pkgname}-${pkgver}