ci: release

.env

@@ -0,0 +1 @@
+EARTHLY_INSTALLATION_NAME=earthbuild-tap

.github/workflows/release.yaml

@@ -0,0 +1,21 @@
+name: Release
+
+on:
+  push:
+
+permissions:
+  contents: write
+
+jobs:
+  check:
+    runs-on: ubuntu-24.04-arm
+    env:
+      FORCE_COLOR: 1
+    steps:
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: earthbuild/actions-setup@main
+
+      - name: Lint
+        run: earthly --ci +lint

Earthfile

@@ -0,0 +1,31 @@
+VERSION 0.8
+FROM homebrew/brew:4.6.20
+ENV HOMEBREW_NO_AUTO_UPDATE=1
+WORKDIR /home/linuxbrew/earthbuild-tap
+RUN brew developer on
+
+src:
+    COPY --dir Formula .
+    RUN \
+        git config --global init.defaultBranch main && \
+        git init && \
+        git config user.email "local@local" && \
+        git config user.name "local" && \
+        git add . && \
+        git commit -m "local snapshot"
+    RUN brew tap EarthBuild/tap .
+
+# lint verify the formula for code quality
+lint:
+    BUILD +audit
+    BUILD +style
+
+# audit checks for Homebrew coding style violations
+audit:
+    FROM +src
+    RUN brew audit --new --signing --debug --audit-debug EarthBuild/tap/earth
+
+# style checks for conformance to Homebrew style guidelines
+style:
+    FROM +src
+    RUN brew style --verbose --debug EarthBuild/tap/earth

Formula/earth.rb

@@ -2,13 +2,15 @@ class Earth < Formula
   desc "Build automation tool for the container era"
   homepage "https://github.com/earthbuild"
   url "https://github.com/EarthBuild/earthbuild.git",
-    tag: "v0.8.17",
+      tag:      "v0.8.17-rc-0",
       revision: "52f2da6dd7f3de24a60a76e00044ec560b0ea407"
   license "MPL-2.0"
   head "https://github.com/EarthBuild/earthbuild.git", branch: "main"
 
   bottle do
-    sha256 cellar: :any_skip_relocation, arm64_tahoe: "194e4b767c3d1a551453ceb3739345c84de89533768b352e3b339d116497a238"
+    sha256 cellar: :any_skip_relocation, arm64_tahoe:  "194e4b767c3d1a551453ceb3739345c84de89533768b352e3b339d116497a238"
+    sha256 cellar: :any_skip_relocation, arm64_linux:  "f7f743e111f7791301299c304b27fa1d4eda0a48b150c6270374fb360ee29b5b"
+    sha256 cellar: :any_skip_relocation, x86_64_linux: "8eba8b430051d74be92b403116c7e510225bcc3a94fb8fec7f836f2959dd4227"
   end
 
   depends_on "go" => :build
@@ -17,28 +19,36 @@ def install
     ENV["CGO_ENABLED"] = "0"
     ldflags = %W[
       -s -w
-      -X main.DefaultBuildkitdImage=docker.io/earthly/buildkitd:v0.8.16
+      -X main.DefaultBuildkitdImage=docker.io/earthbuild/buildkitd:v0.8.17-rc-0
       -X main.Version=v#{version}
       -X main.GitSha=#{Utils.git_head}
       -X main.BuiltBy=homebrew-earthbuild
     ]
     tags = "dfrunmount dfrunsecurity dfsecrets dfssh dfrunnetwork dfheredoc forceposix"
-    system "go", "build", "-tags", tags, *std_go_args(ldflags: ldflags, output: bin/"earthly"), "./cmd/earthly"
+    system "go", "build", "-tags", tags, *std_go_args(ldflags: ldflags, output: bin / "earth"), "./cmd/earthly"
 
     bin.install_symlink "earthly" => "earth"
 
     generate_completions_from_executable(bin/"earth", "bootstrap", "--source", shells: [:bash, :zsh])
   end
 
+  def caveats
+    <<~EOS
+      EarthBuild requires a container runtime to function.
+      If you don"t have one, you can install Docker or Podman:
+        brew install --cask docker
+        OR
+        brew install podman
+    EOS
+  end
+
   test do
-    # earthbuild requires docker to run; therefore doing a complete end-to-end test here is not
-    # possible; however the "earthbuild ls" command is able to run without docker.
-    (testpath/"Earthfile").write <<~EOS
+    (testpath / "Earthfile").write <<~EOS
       VERSION 0.8
       mytesttarget:
       \tRUN echo Homebrew
     EOS
-    output = shell_output("#{bin}/earthly ls")
+    output = shell_output("#{bin}/earth ls")
     assert_match "+mytesttarget", output
   end
 end