From b4d148ed9a145d7a6978362f3c651c06890d362f Mon Sep 17 00:00:00 2001
From: Joshua Bussdieker <josh.bussdieker@moovweb.com>
Date: Thu, 1 Mar 2012 17:00:50 -0800
Subject: [PATCH] Now generates Makefiles!

---
 gpkg/main.go    |  9 +++++++
 gpkg/pkg/pkg.go | 65 +++++++++++++++++++++++++++++++++++++------------
 2 files changed, 59 insertions(+), 15 deletions(-)

diff --git a/gpkg/main.go b/gpkg/main.go
index f8cd5a8..89bf6d6 100644
--- a/gpkg/main.go
+++ b/gpkg/main.go
@@ -1,6 +1,7 @@
 package main
 
 import "os"
+import "path/filepath"
 import "github.com/moovweb/gvm/gpkg/pkg"
 import "github.com/moovweb/gvm/gpkg/pkgs"
 import "github.com/moovweb/gvm/gpkg/gopkgs"
@@ -16,11 +17,19 @@ func main() {
 		os.Exit(1)
 	}
 
+	gvm_go_name := os.Getenv("gvm_go_name")
+	if gvm_go_name == "" {
+		println("ERROR: No Go version selected")
+		os.Exit(1)
+	}
+
 	if len(os.Args) > 1 {
 		if os.Args[1] == "list" {
 			println()
 			pkgs.List(gvm_root)
 			gopkgs.List(gvm_root)
+		} else if os.Args[1] == "listall" {
+			pkg.List(filepath.Join(gvm_root, "gos", gvm_go_name, "src", "pkg"))
 		} else if os.Args[1] == "install" {
 			pkg.Install()
 		} else {
diff --git a/gpkg/pkg/pkg.go b/gpkg/pkg/pkg.go
index d1f6ecb..4246951 100644
--- a/gpkg/pkg/pkg.go
+++ b/gpkg/pkg/pkg.go
@@ -1,12 +1,15 @@
 package pkg
 
 import "os"
+//import "path"
 import "strings"
 import "go/parser"
 import "go/token"
 import "path/filepath"
+import "io/ioutil"
 
 var root string
+var go_packages []string
 
 func readFile(imports map[string]string, filename string) map[string]string {
 	fset := token.NewFileSet()
@@ -31,36 +34,57 @@ func checkIt(f *os.FileInfo) bool {
 	return false
 }
 
-func DebugPackages(path string) {
+func checkName(name string) bool {
+	for _, cur_name := range go_packages {
+		if "\"" + cur_name + "\"" == name {
+			return true
+		}
+	}
+	return false
+}
+
+func DebugPackages(path string, level int) {
 	fset := token.NewFileSet()
 	pkgs, err := parser.ParseDir(fset, path, checkIt, 0)
 	if err != nil {
 		println("ERROR: Couldn't parse files" + err.String())
 	}
 
+	pkg_name := ""
+
 	for _, pkg := range pkgs {
-		pkg_name := ""
+		
 		if len(path) > len(root) {
-			pkg_name = path[len(root)+1:] + "/" + pkg.Name
+			pkg_name = path[len(root)+1:]
 		} else {
 			pkg_name = pkg.Name
 		}
-		println("  Package:", pkg_name)
 	}
 
-	imports := make(map[string]string)
-	file := fset.Files()
-	for f := range file {
-		imports = readFile(imports, f.Name())
-		//println(f.Name())
+	imp_list := ""
+	if level > 0 {
+		imports := make(map[string]string)
+		file := fset.Files()
+		for f := range file {
+			imports = readFile(imports, f.Name())
+		}
+
+		
+		for _, str := range imports {
+			if checkName(str) == false {
+				imp_list += str[1:len(str)-1] + " "
+			}
+		}
 	}
 
-	for _, str := range imports {
-		println("    import", str)
+	if pkg_name != "" {
+		println(pkg_name + ": " + imp_list)
+		//println("	make -f Makefile.gvm -C " + pkg_name)
+		println("	goinstall -nuke " + pkg_name)
 	}
 }
 
-func ParseDir(path string) {
+func ParseDir(path string, level int) {
 	pkgfolder, err := os.Open(path)
 	if err != nil {
 		println("ERROR: Failed to open pkg dir", path)
@@ -72,23 +96,34 @@ func ParseDir(path string) {
 		os.Exit(1)
 	}
 
-	DebugPackages(path)
+	DebugPackages(path, level)
 
 	for _, pkgfile := range dirs {
 		if pkgfile.IsDirectory() {
 			if pkgfile.Name != "test" && pkgfile.Name != "_obj" && pkgfile.Name != "_bin" {
-				ParseDir(filepath.Join(path, pkgfile.Name))
+				ParseDir(filepath.Join(path, pkgfile.Name), level)
 			}
 		}
 	}
 }
 
+func List(path string) {
+	root = path
+	ParseDir(path, 0)
+}
+
 func Install() {
+	data, err := ioutil.ReadFile("go.list")
+	if err != nil {
+		println("ERROR: Failed to read Go default package list")
+	}
+	go_packages = strings.Split(string(data), "\n")
+
 	wd, err := os.Getwd()
 	root = wd
 	if err != nil {
 		println("ERROR: Couldn't read current directory")
 	}
-	ParseDir(root)
+	ParseDir(root, 1)
 	println()
 }