Fix bug when exclude pattern is None

.gitignore

@@ -1,2 +1,3 @@
 .idea/
+__pycache__/
 test/

PKGBUILD

@@ -3,14 +3,15 @@
 # Maintainer: Daniele Fucini <dfucini@gmail.com>
 
 pkgname=simple_backup
-pkgver=3.2.3.r1.ga42ade4
-pkgrel=1
 pkgdesc='Simple backup script that uses rsync to copy files'
+pkgver=3.2.5
+pkgrel=3
+epoch=1
+url="https://github.com/Fuxino/${pkgname}"
+install=simple_backup.install
 arch=('any')
-url="https://github.com/Fuxino/simple_backup.git"
 license=('GPL3')
-makedepends=('git'
+makedepends=('python-setuptools'
-             'python-setuptools'
              'python-build'
              'python-installer'
              'python-wheel')
@@ -19,30 +20,22 @@ depends=('python'
          'python-dotenv')
 optdepends=('python-systemd: use systemd log'
             'python-dbus: for desktop notifications')
-install=${pkgname}.install
+conflicts=('simple_backup-git')
-source=(git+https://github.com/Fuxino/${pkgname}.git)
+source=(${pkgname}-${pkgver}.tar.gz::https://github.com/Fuxino/${pkgname}/archive/${pkgver}.tar.gz
-sha256sums=('SKIP')
+        https://github.com/Fuxino/${pkgname}/releases/download/${pkgver}/${pkgname}-${pkgver}.tar.gz.sig)
-
+validpgpkeys=('7E12BC1FF3B6EDB2CD8053EB981A2B2A3BBF5514')
-pkgver() 
+sha256sums=('fd418a9c641d604c64bd0a8487b5ab431ff71f192d6021e55b194085951cb40d'
-{  
+            'SKIP')
-   cd ${pkgname}
-   git describe --long --tags | sed 's/\([^-]*-g\)/r\1/;s/-/./g'
-}
-
-prepare()
-{
-   git -C ${srcdir}/${pkgname} clean -dfx
-}
 
 build()
 {
-   cd ${srcdir}/${pkgname}
+   cd ${srcdir}/${pkgname}-${pkgver}
    python -m build --wheel --no-isolation
 }
 
 package()
 {
-   cd ${srcdir}/${pkgname}
+   cd ${srcdir}/${pkgname}-${pkgver}
    python -m installer --destdir=${pkgdir} dist/*.whl
-   install -Dm644 ${srcdir}/${pkgname}/${pkgname}.conf ${pkgdir}/etc/${pkgname}/${pkgname}.conf
+   install -Dm644 ${srcdir}/${pkgname}-${pkgver}/${pkgname}.conf ${pkgdir}/etc/${pkgname}/${pkgname}.conf
 }

simple_backup/simple_backup.py

@@ -185,6 +185,7 @@ class Backup:
                     fp.write('\n')
 
         with open(self._exclude_path, 'w') as fp:
+            if self.exclude is not None:
                 for e in self.exclude:
                     fp.write(e)
                     fp.write('\n')