From da6c98dcf325214f109eb7ab18d47cfcfa40545c Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Fri, 25 Dec 2020 03:58:25 +0300
Subject: initial commit

---
 .gitattributes             |  1 +
 .github/workflows/test.yml | 58 +++++++++++++++++++++++++++++++++++++++
 LICENSE.txt                | 21 +++++++++++++++
 action.yml                 | 67 ++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 147 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..e5118cc
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,58 @@
+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:
+        platform: [x86, x64]
+        cygwin: [0, 1]
+        os: [ubuntu-18.04, windows-2019, windows-2016]
+
+        include:
+          # Prettier run names.
+          - {os: ubuntu-18.04, name: Ubuntu}
+          - {os: windows-2019, name: Windows Server 2019}
+          - {os: windows-2016, name: Windows Server 2016}
+          - {cygwin: 1, name: Cygwin}
+        exclude:
+          # No Cygwin on Ubuntu.
+          - {os: ubuntu-18.04, cygwin: 1}
+          # Cygwin is the same on Windows Server 2016 & 2019.
+          - {os: windows-2016, cygwin: 1}
+
+    runs-on: '${{ matrix.os }}'
+
+    name: '${{ matrix.name }} / ${{ matrix.platform }}'
+
+    continue-on-error: ${{ (matrix.os == 'windows-2016' || matrix.os == 'windows-2019') && !matrix.cygwin }}
+
+    defaults:
+      run:
+        shell: pwsh
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Install Cygwin
+        uses: egor-tensin/setup-cygwin@master
+        with:
+          platform: '${{ matrix.platform }}'
+        if: matrix.cygwin
+
+      - name: Set up GCC
+        uses: ./
+        with:
+          platform: '${{ matrix.platform }}'
+          cygwin: '${{ matrix.cygwin }}'
+
+      # I'm not really sure as to how to properly verify that it worked :-(
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..12c52b8
--- /dev/null
+++ b/action.yml
@@ -0,0 +1,67 @@
+name: Install GCC
+description: Install GCC
+
+inputs:
+  platform:
+    description: Target platform
+    required: false
+    default: x64
+  cygwin:
+    description: Install inside Cygwin
+    required: false
+    default: 0
+
+runs:
+  using: composite
+  steps:
+    - id: setup
+      run: |
+        New-Variable os -Value '${{ runner.os }}' -Option Constant
+
+        New-Variable linux_host -Value ($os -eq 'Linux') -Option Constant
+        New-Variable cygwin_host -Value ('${{ inputs.cygwin }}' -eq '1') -Option Constant
+        New-Variable windows_host -Value ($os -eq 'Windows' -and !$cygwin) -Option Constant
+
+        New-Variable x64 -Value ('${{ inputs.platform }}' -eq 'x64') -Option Constant
+
+        function Locate-Choco {
+            $path = Get-Command 'choco' -ErrorAction SilentlyContinue
+            if ($path) {
+                $path.Path
+            } else {
+                Join-Path ${env:ProgramData} 'chocolatey' 'bin' 'choco'
+            }
+        }
+
+        if ($linux_host) {
+            sudo apt update
+            if ($x64) {
+                sudo apt install -y g++
+            } else {
+                sudo apt install -y g++-multilib
+            }
+        } elseif ($cygwin_host) {
+            if (!$x64) {
+              echo @'
+        ::warning ::
+        32-bit-targeting GCC is unstable and/or unmaintained on 64-bit Cygwin.
+        Please use 32-bit Cygwin instead.
+        If you _are_ using 32-bit Cygwin, you can ignore this message.
+        '@
+            }
+            $choco = Locate-Choco
+            & $choco install -y --no-progress --source=cygwin gcc-g++
+        } elseif ($windows_host) {
+            # TODO: use setup-mingw when calling composite actions within
+            # composite actions is implemented.
+            echo @'
+        ::error ::
+        Please use the egor-tensin/setup-mingw action to install GCC on Windows.
+        '@
+            exit 1
+        }
+      shell: pwsh
+
+branding:
+  icon: star
+  color: green
-- 
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