Initial setup of homebrew tap

Author: awvwgk

.github/workflows/publish.yml

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+name: brew pr-pull
+on:
+  pull_request_target:
+    types:
+      - labeled
+jobs:
+  pr-pull:
+    if: contains(github.event.pull_request.labels.*.name, 'pr-pull')
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Homebrew
+        uses: Homebrew/actions/setup-homebrew@master
+
+      - name: Set up git
+        uses: Homebrew/actions/git-user-config@master
+
+      - name: Pull bottles
+        env:
+          HOMEBREW_GITHUB_API_TOKEN: ${{ github.token }}
+          PULL_REQUEST: ${{ github.event.pull_request.number }}
+        run: brew pr-pull --debug --tap=$GITHUB_REPOSITORY $PULL_REQUEST
+
+      - name: Push commits
+        uses: Homebrew/actions/git-try-push@master
+        with:
+          token: ${{ github.token }}
+          branch: main
+
+      - name: Delete branch
+        if: github.event.pull_request.head.repo.fork == false
+        env:
+          BRANCH: ${{ github.event.pull_request.head.ref }}
+        run: git push --delete origin $BRANCH

.github/workflows/tests.yml

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+name: brew test-bot
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+jobs:
+  test-bot:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-11, macos-10.15]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Set up Homebrew
+        id: set-up-homebrew
+        uses: Homebrew/actions/setup-homebrew@master
+
+      - name: Cache Homebrew Bundler RubyGems
+        id: cache
+        uses: actions/cache@v1
+        with:
+          path: ${{ steps.set-up-homebrew.outputs.gems-path }}
+          key: ${{ runner.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
+          restore-keys: ${{ runner.os }}-rubygems-
+
+      - name: Install Homebrew Bundler RubyGems
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: brew install-bundler-gems
+
+      - run: brew test-bot --only-cleanup-before
+
+      - run: brew test-bot --only-setup
+
+      - run: brew test-bot --only-tap-syntax
+
+      - run: brew test-bot --only-formulae
+        if: github.event_name == 'pull_request'
+
+      - name: Upload bottles as artifact
+        if: always() && github.event_name == 'pull_request'
+        uses: actions/upload-artifact@main
+        with:
+          name: bottles
+          path: '*.bottle.*'

LICENSE

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+BSD 2-Clause License
+
+Copyright (c) 2022, Fortran-lang contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

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+# Brew formulas for Fortran
+
+This repository provides package build instructions for tools and libraries around Fortran compatible with the [Homebrew toolchain](https://brew.sh).
+
+For example you can install *fpm* by tapping this repository
+
+```
+brew tap homebrew-fpm/fortran
+brew install fpm
+```
+
+Available packages from this tap are
+
+- [`fpm`](https://fpm.fortran-lang.org): Fortran package manager
+- [`lfortran`](https://lfortran.org): Modern interactive LLVM-based Fortran compiler
+
+
+## License
+
+The package build files are available under a BSD-2-Clause license.