Aria2 appveyor auto build

[README]aria2-build.md

Aria2 build

Aria2 auto build scripts with custom patch for appveyor ci with msys2.

appveyor.yml

version: 1.33.1-{build}

environment:
  matrix:
  - COMPILER: msys2
    PLATFORM: x64
    MSYS2_ARCH: x86_64
    MSYS2_DIR: msys64
    MSYSTEM: MINGW64
    BIT: 6

init:
  - set PATH=C:\%MSYS2_DIR%\%MSYSTEM%\bin;C:\%MSYS2_DIR%\usr\bin;%PATH%
  - pacman -S --noconfirm --needed base-devel
  - pacman -S --noconfirm --needed mingw-w64-x86_64-gmp
  - pacman -S --noconfirm --needed mingw-w64-x86_64-expat
  - pacman -S --noconfirm --needed mingw-w64-x86_64-sqlite3
  - pacman -S --noconfirm --needed mingw-w64-x86_64-zlib
  - pacman -S --noconfirm --needed mingw-w64-x86_64-c-ares
  - pacman -S --noconfirm --needed mingw-w64-x86_64-libssh2

install:
  - bash fetch-src.sh
  - patch -p0 < aria2.patch

build_script:
  - bash build-deps.sh
  - bash build-aria2.sh

artifacts:
  - path: '**\*.exe'
    name: aria2

aria2.patch

diff -rNu aria2/src/OptionHandlerFactory.cc aria2-patched/src/OptionHandlerFactory.cc
--- aria2/src/OptionHandlerFactory.cc	2017-12-21 02:10:29.366118900 +0800
+++ aria2-patched/src/OptionHandlerFactory.cc	2017-12-21 01:57:42.028000200 +0800
@@ -440,7 +440,7 @@
   {
     OptionHandler* op(new NumberOptionHandler(PREF_MAX_CONNECTION_PER_SERVER,
                                               TEXT_MAX_CONNECTION_PER_SERVER,
-                                              "1", 1, 16, 'x'));
+                                              "1", 1, -1, 'x'));
     op->addTag(TAG_BASIC);
     op->addTag(TAG_FTP);
     op->addTag(TAG_HTTP);

build-aria2.sh

#!sh.exe -e
set -e

build-deps.sh

#!sh.exe -e
set -e

fetch-src.sh

#!sh.exe -e
set -e