1 files changed, 94 insertions, 0 deletions
diff --git a/misc/dashboard/builder/package.go b/misc/dashboard/builder/package.go
new file mode 100644
index 000000000..b2a83fa13
--- /dev/null
+++ b/misc/dashboard/builder/package.go
@@ -0,0 +1,94 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"go/doc"
+	"go/parser"
+	"go/token"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+const MaxCommentLength = 500 // App Engine won't store more in a StringProperty.
+
+func (b *Builder) buildPackages(workpath string, hash string) os.Error {
+	pkgs, err := packages()
+	if err != nil {
+		return err
+	}
+	for _, p := range pkgs {
+		goroot := filepath.Join(workpath, "go")
+		gobin := filepath.Join(goroot, "bin")
+		goinstall := filepath.Join(gobin, "goinstall")
+		envv := append(b.envv(), "GOROOT="+goroot)
+
+		// add GOBIN to path
+		for i, v := range envv {
+			if strings.HasPrefix(v, "PATH=") {
+				p := filepath.SplitList(v[5:])
+				p = append([]string{gobin}, p...)
+				s := strings.Join(p, string(filepath.ListSeparator))
+				envv[i] = "PATH=" + s
+			}
+		}
+
+		// goinstall
+		buildLog, code, err := runLog(envv, "", goroot, goinstall, "-dashboard=false", p)
+		if err != nil {
+			log.Printf("goinstall %v: %v", p, err)
+		}
+
+		// get doc comment from package source
+		info, err := packageComment(p, filepath.Join(goroot, "src", "pkg", p))
+		if err != nil {
+			log.Printf("packageComment %v: %v", p, err)
+		}
+
+		// update dashboard with build state + info
+		err = b.updatePackage(p, code == 0, buildLog, info)
+		if err != nil {
+			log.Printf("updatePackage %v: %v", p, err)
+		}
+	}
+	return nil
+}
+
+func isGoFile(fi *os.FileInfo) bool {
+	return fi.IsRegular() && // exclude directories
+		!strings.HasPrefix(fi.Name, ".") && // ignore .files
+		filepath.Ext(fi.Name) == ".go"
+}
+
+func packageComment(pkg, pkgpath string) (info string, err os.Error) {
+	fset := token.NewFileSet()
+	pkgs, err := parser.ParseDir(fset, pkgpath, isGoFile, parser.PackageClauseOnly|parser.ParseComments)
+	if err != nil {
+		return
+	}
+	for name := range pkgs {
+		if name == "main" {
+			continue
+		}
+		if info != "" {
+			return "", os.NewError("multiple non-main package docs")
+		}
+		pdoc := doc.NewPackageDoc(pkgs[name], pkg)
+		info = pdoc.Doc
+	}
+	// grab only first paragraph
+	if parts := strings.SplitN(info, "\n\n", 2); len(parts) > 1 {
+		info = parts[0]
+	}
+	// replace newlines with spaces
+	info = strings.Replace(info, "\n", " ", -1)
+	// truncate
+	if len(info) > MaxCommentLength {
+		info = info[:MaxCommentLength]
+	}
+	return
+}