From 60ce946950fe07cf341fb4b41f334f05928f8e98 Mon Sep 17 00:00:00 2001
From: Andrea Luzzardi <aluzzardi@gmail.com>
Date: Fri, 19 Feb 2021 01:25:41 -0800
Subject: [PATCH 1/2] stdlib: go support

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>
---
 stdlib/go/go.cue | 102 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 stdlib/go/go.cue

diff --git a/stdlib/go/go.cue b/stdlib/go/go.cue
new file mode 100644
index 00000000..75adb256
--- /dev/null
+++ b/stdlib/go/go.cue
@@ -0,0 +1,102 @@
+package go
+
+import (
+	"dagger.io/dagger"
+)
+
+#Go: {
+	// Go version to use
+	version: *"1.16" | string
+
+	// Arguments to the Go binary
+	args: [...string]
+
+	// Source Directory to build
+	source: dagger.#Dir
+
+	// Environment variables
+	env: [string]: string
+
+	#dagger: compute: [
+		dagger.#FetchContainer & {
+			ref: "docker.io/golang:\(version)-alpine"
+		},
+		dagger.#Copy & {
+			from: source
+			dest: "/src"
+		},
+		dagger.#Exec & {
+			dir:    "/src"
+			"args": ["go"] + args
+
+			env: env
+			env: CGO_ENABLED: "0"
+			// FIXME: this should come from the golang image.
+			// https://github.com/dagger/dagger/issues/130
+			env: {
+				PATH:   "/go/bin:/usr/local/go/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
+				GOPATH: "/go"
+			}
+
+			mount: "/root/.cache": "cache"
+		},
+	]
+}
+
+#Build: {
+	// Go version to use
+	version: *#Go.version | string
+
+	// Source Directory to build
+	source: dagger.#Dir
+
+	// Packages to build
+	packages: *"." | string
+
+	// Target architecture
+	arch: *"amd64" | string
+
+	// Target OS
+	os: *"linux" | string
+
+	// Build tags to use for building
+	tags: *"" | string
+
+	// LDFLAGS to use for linking
+	ldflags: *"" | string
+
+	// Specify the targeted binary name
+	output: string
+
+	env: [string]: string
+
+	#dagger: compute: [
+		dagger.#Copy & {
+			from: #Go & {
+				"version": version
+				"source":  source
+				"env":     env
+				args: ["build", "-v", "-tags", tags, "-ldflags", ldflags, "-o", output, packages]
+			}
+			src:  output
+			dest: output
+		},
+	]
+}
+
+#Test: {
+	// Go version to use
+	version: *#Go.version | string
+
+	// Source Directory to build
+	source: dagger.#Dir
+
+	// Packages to test
+	packages: *"." | string
+
+	#Go & {
+		"version": version
+		"source":  source
+		args: ["test", "-v", packages]
+	}
+}

From 74d3bb81cb2aefa59e43d448d33881a15ee754fc Mon Sep 17 00:00:00 2001
From: Andrea Luzzardi <aluzzardi@gmail.com>
Date: Fri, 19 Feb 2021 01:25:53 -0800
Subject: [PATCH 2/2] examples: dogfood!

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>
---
 examples/dogfood/main.cue | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 examples/dogfood/main.cue

diff --git a/examples/dogfood/main.cue b/examples/dogfood/main.cue
new file mode 100644
index 00000000..486a3c03
--- /dev/null
+++ b/examples/dogfood/main.cue
@@ -0,0 +1,24 @@
+package main
+
+import (
+	"dagger.io/dagger"
+	"dagger.io/go"
+)
+
+repository: dagger.#Dir // Use `--input-dir repository=.` from the root directory of the project
+
+build: go.#Build & {
+	source:   repository
+	packages: "./cmd/dagger"
+	output:   "/usr/local/bin/dagger"
+}
+
+test: go.#Test & {
+	source:   repository
+	packages: "./..."
+}
+
+help: #dagger: compute: [
+	dagger.#Load & {from: build},
+	dagger.#Exec & {args: ["dagger", "-h"]},
+]