From 62c33479c8767e3c596cbd4f0b5cbf737c84f173 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Sat, 28 Nov 2020 02:30:59 +0300
Subject: initial commit

---
 .gitattributes             |  1 +
 .github/workflows/test.yml | 49 +++++++++++++++++++++++++++++++++++++++
 LICENSE.txt                | 21 +++++++++++++++++
 action.yml                 | 58 ++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 129 insertions(+)
 create mode 100644 .gitattributes
 create mode 100644 .github/workflows/test.yml
 create mode 100644 LICENSE.txt
 create mode 100644 action.yml

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..176a458
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+* text=auto
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..99c3ca7
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,49 @@
+name: Test
+
+on:
+  push:
+  pull_request:
+  schedule:
+    # Weekly, at 5:45 AM on Friday (somewhat randomly chosen).
+    - cron: '45 5 * * 5'
+  workflow_dispatch:
+
+jobs:
+  test:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-2019]
+        platform: [x86, x64]
+
+        include:
+          - {os: windows-2019, name: Windows Server 2019}
+
+    runs-on: '${{ matrix.os }}'
+
+    name: '${{ matrix.name }} / ${{ matrix.platform }}'
+
+    defaults:
+      run:
+        shell: pwsh
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up Cygwin
+        id: setup
+        uses: ./
+        with:
+          platform: '${{ matrix.platform }}'
+          install-dir: C:\cg
+          packages: cmake gcc
+
+      - name: Run bash
+        run: |
+          $output = C:\cg\bin\bash.exe --login -c 'echo foobar'
+          $($output -eq 'foobar') -or $(throw $output)
+
+      - name: Run cmake
+        run: |
+          C:\cg\bin\cmake.exe --version
diff --git a/LICENSE.txt b/LICENSE.txt
new file mode 100644
index 0000000..ab8c3ff
--- /dev/null
+++ b/LICENSE.txt
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/action.yml b/action.yml
new file mode 100644
index 0000000..75b8764
--- /dev/null
+++ b/action.yml
@@ -0,0 +1,58 @@
+name: Install Cygwin
+description: Install Cygwin & packages
+
+inputs:
+  platform:
+    description: Target platform
+    required: false
+    default: x64
+  install-dir:
+    description: Installation directory
+    required: false
+    default: C:\tools\cygwin
+  packages:
+    description: Packages to install, separated by a space
+    required: false
+
+runs:
+  using: composite
+  steps:
+    - run: |
+        New-Variable os -Value ('${{ runner.os }}') -Option Constant
+
+        New-Variable windows_host -Value ($os -eq 'Windows') -Option Constant
+
+        New-Variable x64 -Value ('${{ inputs.platform }}' -eq 'x64') -Option Constant
+        New-Variable install_dir -Value '${{ inputs.install-dir }}' -Option Constant
+        New-Variable packages -Value '${{ inputs.packages}}' -Option Constant
+
+        if ($windows_host) {
+            echo 'CYGWIN=winsymlinks:nativestrict' >> $env:GITHUB_ENV
+
+            $choco_params = @(
+                'install',
+                '-y',
+                '--no-progress',
+                '--params', "/InstallDir:$install_dir"
+            )
+            if (!$x64) {
+                $choco_params += '--x86'
+            }
+            $choco_params += 'cygwin'
+
+            # Assuming that Cygwin is not installed when this is run.
+            choco.exe $choco_params
+
+            echo (Join-Path $install_dir usr local bin) >> $env:GITHUB_PATH
+            # /usr/bin is really just /bin on Cygwin.
+            echo (Join-Path $install_dir bin) >> $env:GITHUB_PATH
+
+            $pkg_list = $packages.Split(' ', [System.StringSplitOptions]::RemoveEmptyEntries)
+
+            if ($pkg_list.Count -gt 0) {
+                choco.exe install -y --no-progress --source=cygwin $pkg_list
+            }
+        } else {
+            throw "Sorry, installing Cygwin is unsupported on $os"
+        }
+      shell: pwsh
-- 
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