Add aria2 dependency.

kiwix-desktop needs the aria2 binary to download content.
kiwix-desktop will use aria2 throw lib-kiwix so it is somehow a kiwix-lib
dependency, but it is used only by kiwix-desktop.

And we know to install it only on platforms where we are supporting
kiwix-destkop.

kiwixbuild/dependencies/__init__.py

@@ -4,6 +4,7 @@ from . import (
     all_dependencies,
     android_ndk,
     android_sdk,
+    aria2,
     armhf,
     ctpp2,
     flatpak,

kiwixbuild/dependencies/aria2.py

@@ -0,0 +1,26 @@
+from .base import (
+    Dependency,
+    ReleaseDownload,
+    MakeBuilder
+)
+
+from kiwixbuild.utils import Remotefile, run_command
+
+class Aria2(Dependency):
+    name = "aria2"
+
+    class Source(ReleaseDownload):
+        archive = Remotefile('aria2-1.34.0.tar.xz',
+                             '3a44a802631606e138a9e172a3e9f5bcbaac43ce2895c1d8e2b46f30487e77a3',
+                             'https://github.com/aria2/aria2/releases/download/release-1.34.0/aria2-1.34.0.tar.xz')
+
+        patches = ["libaria2_android.patch"]
+
+        def _post_prepare_script(self, context):
+            context.try_skip(self.extract_path)
+            command = "autoreconf -i"
+            run_command(command, self.extract_path, context)
+
+    class Builder(MakeBuilder):
+        dependencies = ['zlib']
+        configure_option = "--disable-libaria2 --without-sqlite3"

kiwixbuild/dependencies/kiwix_desktop.py

@@ -11,7 +11,7 @@ class KiwixDesktop(Dependency):
         git_dir = "kiwix-desktop"
 
     class Builder(QMakeBuilder):
-        dependencies = ["qt", "qtwebengine", "kiwix-lib"]
+        dependencies = ["qt", "qtwebengine", "kiwix-lib", "aria2"]
         @property
         def configure_option(self):
             options = ["PREFIX={}".format(self.buildEnv.install_dir)]

kiwixbuild/packages.py

@@ -28,6 +28,7 @@ PACKAGE_NAME_MAPPERS = {
         'zimlib': None,
         'file' : ['file-devel'],
         'gumbo' : ['gumbo-parser-devel'],
+        'aria2': ['aria2'],
     },
     'fedora_native_static': {
         'COMMON': _fedora_common + ['glibc-static', 'libstdc++-static'],
@@ -72,6 +73,7 @@ PACKAGE_NAME_MAPPERS = {
         'libmicrohttpd': ['libmicrohttpd-dev', 'ccache'],
         'qt' : ['libqt5gui5', 'qtbase5-dev', 'qt5-default'],
         'qtwebengine' : ['qtwebengine5-dev'],
+        'aria2': ['aria2'],
     },
     'debian_native_static': {
         'COMMON': _debian_common + ['libbz2-dev', 'libmagic-dev'],

travis/Dockerfile

@@ -33,6 +33,7 @@ RUN \
     ctpp2-utils \
     libctpp2-dev \
     libmicrohttpd-dev \
+    aria2 \
 # Qt packages
     libqt5gui5 \
     qtbase5-dev \