feat: windows support

Author: bycruz

.github/workflows/test.yml

@@ -9,7 +9,15 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-22.04, ubuntu-22.04-arm]
+        include:
+          - os: ubuntu-22.04
+            deps: sudo apt-get install -y cmake libssl-dev
+          - os: ubuntu-22.04-arm
+            deps: sudo apt-get install -y cmake libssl-dev
+          - os: windows-latest
+            deps: choco install cmake --installargs 'ADD_CMAKE_TO_PATH=System' -y
+          - os: windows-11-arm
+            deps: choco install cmake --installargs 'ADD_CMAKE_TO_PATH=System' -y
 
     runs-on: ${{ matrix.os }}
 
@@ -19,7 +27,7 @@ jobs:
           submodules: recursive
 
       - name: Install dependencies
-        run: sudo apt-get install -y cmake libssl-dev
+        run: ${{ matrix.deps }}
 
       - name: Setup lde
         uses: lde-org/setup-lde@master

build.lua

@@ -13,8 +13,9 @@ local function exec(cmd)
 end
 
 local build = src .. sep .. "build"
-exec('cmake -S "' .. src .. '" -B "' .. build .. '" -DBUILD_SHARED_LIBS=ON -DBUILD_TESTS=OFF -DBUILD_CLI=OFF -DUSE_SSH=OFF -DUSE_HTTPS=OpenSSL')
-exec('cmake --build "' .. build .. '" --config Release -j' .. (isWindows and "" or "$(nproc)"))
+local https = isWindows and "WinHTTP" or "OpenSSL"
+exec('cmake -S "' .. src .. '" -B "' .. build .. '" -DBUILD_SHARED_LIBS=ON -DBUILD_TESTS=OFF -DBUILD_CLI=OFF -DUSE_SSH=OFF -DUSE_HTTPS=' .. https)
+exec('cmake --build "' .. build .. '" --config Release' .. (isWindows and "" or " -j$(nproc)"))
 
 if isWindows then
     exec('copy "' .. build .. '\\Release\\git2.dll" "' .. outLib .. '"')

src/init.lua

@@ -58,7 +58,8 @@ ffi.cdef [[
 ]]
 
 local here = debug.getinfo(1, "S").source:sub(2):match("(.*[/\\])") or ""
-local lib = ffi.load(here .. "libgit2.so")
+local sep = string.sub(package.config, 1, 1)
+local lib = ffi.load(here .. (sep == "\\" and "git2.dll" or "libgit2.so"))
 
 lib.git_libgit2_init()