Beginning to support recursive glide.

cmd/recursive_glide.go

diff --git a/cmd/recursive_glide.go b/cmd/recursive_glide.go
new file mode 100644
index 0000000..1ddd457
--- /dev/null
+++ b/cmd/recursive_glide.go
@@ -0,0 +1,46 @@
+package cmd
+
+import (
+	"os"
+	"path"
+
+	"github.com/Masterminds/cookoo"
+)
+
+// Recurse does glide installs on dependent packages.
+// Recurse looks in all known packages for a glide.yaml files and installs for
+// each one it finds.
+func Recurse(c cookoo.Context, p *cookoo.Params) (interface{}, cookoo.Interrupt) {
+	Info("Checking dependencies for updates.\n")
+	conf := p.Get("conf", &Config{}).(*Config)
+	vend, _ := VendorPath(c)
+
+	if len(conf.Imports) == 0 {
+		Info("No imports.\n")
+	}
+
+	// Look in each package to see whether it has a glide.yaml, and no vendor/
+	for _, imp := range conf.Imports {
+		Info("Looking in %s for a glide.yaml file.\n", imp.Name)
+		if needsGlideUp(path.Join(vend, imp.Name)) {
+			Info("Package %s needs `glide up`\n", imp.Name)
+			// How do we want to do this? Should we run the glide command,
+			// which would allow environmental control, or should we just
+			// run the update route in that directory?
+		}
+	}
+
+	// Run `glide up`
+	return nil, nil
+}
+
+func needsGlideUp(dir string) bool {
+	stat, err := os.Stat(path.Join(dir, "glide.yaml"))
+	if err != nil || stat.IsDir() {
+		return false
+	}
+
+	// Should probably see if vendor is there and non-empty.
+
+	return true
+}

glide.go

diff --git a/glide.go b/glide.go
index f3ada5f..535fa03 100644
--- a/glide.go
+++ b/glide.go
@@ -313,7 +313,9 @@
 		Using("conf").From("cxt:cfg").
 		Using("optIn").From("cxt:deleteOptIn").
 		Does(cmd.UpdateImports, "dependencies").Using("conf").From("cxt:cfg").
-		Does(cmd.SetReference, "version").Using("conf").From("cxt:cfg")
+		Does(cmd.SetReference, "version").Using("conf").From("cxt:cfg").
+		Does(cmd.Recurse, "recurse").Using("conf").From("cxt:cfg")
+
 	//Does(cmd.Rebuild, "rebuild").Using("conf").From("cxt:cfg")
 
 	reg.Route("rebuild", "Rebuild dependencies").