1 files changed, 67 insertions, 0 deletions
diff --git a/human.go b/human.go
new file mode 100644
index 0000000..79780ee
--- /dev/null
+++ b/human.go
@@ -0,0 +1,67 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+
+	"go.wit.com/log"
+)
+
+func CheckProtoc() bool {
+	if checkCmdSimple("protoc") {
+		userInstructions()
+		log.Sleep(2)
+		return false
+	}
+	if checkCmdSimple("protoc-gen-go") {
+		userInstructions()
+		log.Sleep(2)
+		return false
+	}
+	return true
+}
+
+func checkCmdSimple(cmd string) bool {
+	path, err := exec.LookPath(cmd)
+	if err != nil {
+		fmt.Printf("\n%s is not in the PATH\n", cmd)
+		return false
+	} else {
+		fmt.Printf("%s is available at %s\n", cmd, path)
+	}
+	return true
+}
+
+func checkCmd(cmd string) (string, error) {
+	path, err := exec.LookPath(cmd)
+	if err != nil {
+		fmt.Printf("\n%s is not in the PATH\n", cmd)
+	} else {
+		fmt.Printf("%s is available at %s\n", cmd, path)
+	}
+	return path, err
+}
+
+func oldcheckCmd(cmd string) {
+	// path, err := exec.LookPath(cmd)
+	_, err := exec.LookPath(cmd)
+	if err != nil {
+		// fmt.Printf("\n%s is not in the PATH\n", cmd)
+		userInstructions()
+		log.Sleep(2)
+	} else {
+		// fmt.Printf("%s is available at %s\n", cmd, path)
+	}
+}
+
+// todo: figure out how to determine, in a package, what the program name is
+func okExit(s string) {
+	log.Info("<program> ok", s)
+	os.Exit(0)
+}
+
+func badExit(err error) {
+	log.Info("<program> error:", err)
+	os.Exit(-1)
+}