From 8402d724a9b632cbf359a44444cdb069392ab9c6 Mon Sep 17 00:00:00 2001
From: Vincent Batts <vbatts@hashbangbash.com>
Date: Wed, 27 Jun 2018 11:39:46 -0400
Subject: [PATCH] basic generation

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
---
 Makefile | 12 ++++++++++++
 g.go     |  5 +++++
 gen.go   | 30 ++++++++++++++++++++++++++++++
 run.go   |  5 +++++
 4 files changed, 52 insertions(+)
 create mode 100644 Makefile
 create mode 100644 g.go
 create mode 100644 gen.go
 create mode 100644 run.go

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..bbb6ae8
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,12 @@
+
+run: farts
+	./farts
+
+farts: $(wildcard *.go) farts.go
+	go build -o $@ .
+
+farts.go:
+	go generate
+
+clean:
+	rm -rf *~ farts.go farts
diff --git a/g.go b/g.go
new file mode 100644
index 0000000..313df8a
--- /dev/null
+++ b/g.go
@@ -0,0 +1,5 @@
+//go:generate go run gen.go -o farts.go
+
+package main
+
+// this file is _just_ here to snag the `go generate` command. Logic is in gen.go
diff --git a/gen.go b/gen.go
new file mode 100644
index 0000000..ae15f9c
--- /dev/null
+++ b/gen.go
@@ -0,0 +1,30 @@
+// +build ignore
+
+package main
+
+import (
+	"flag"
+	"io/ioutil"
+	"log"
+	"os"
+)
+
+var flOutput = flag.String("o", "", "output file to write")
+
+func main() {
+	flag.Parse()
+	err := ioutil.WriteFile(*flOutput, []byte(source), os.FileMode(0644))
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+var source = `
+package main
+
+import "fmt"
+
+func foo() {
+	fmt.Println("brrnnt")
+}
+`
diff --git a/run.go b/run.go
new file mode 100644
index 0000000..72543d9
--- /dev/null
+++ b/run.go
@@ -0,0 +1,5 @@
+package main
+
+func main() {
+	foo()
+}