Added an archive library and ability to package steam games

1 files changed, 88 insertions, 0 deletions

diff --git a/archive/archive.go b/archive/archive.go
new file mode 100644
index 0000000..2fe039d
--- /dev/null
+++ b/archive/archive.go
@@ -0,0 +1,88 @@
+package archive
+
+import (
+	"archive/tar"
+	"path/filepath"
+
+	"fmt"
+	"io"
+	"os"
+)
+
+type Archive struct {
+	Output, Input string
+	file          *os.File
+	writer        *tar.Writer
+}
+
+func (a *Archive) Tar() error {
+	var err error
+	if a.file, err = os.Create(a.Output); err != nil {
+		return err
+	}
+
+	defer a.file.Close()
+
+	a.writer = tar.NewWriter(a.file)
+	defer a.writer.Close()
+
+	if err := filepath.Walk(a.Input, a.tarWalkfn()); err != nil {
+		return err
+	}
+
+	fmt.Fprintln(os.Stderr, "done, remove me later")
+	return nil
+
+}
+
+func (a *Archive) tarWalkfn() filepath.WalkFunc {
+	// This is an interesting trick to get around scoping issues
+	return func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		if info.IsDir() {
+			return nil
+		}
+		// fmt.Fprintf(os.Stderr, "%s: Fileinfo: %s", path, info.IsDir())
+
+		f, err := os.Open(path)
+		if err != nil {
+			return err
+		}
+		// defer f.Close()
+
+		h := &tar.Header{
+			Name:    path,
+			Size:    info.Size(),
+			Mode:    int64(info.Mode()),
+			ModTime: info.ModTime(),
+		}
+
+		// h, err := tar.FileInfoHeader(info, "")
+		if err != nil {
+			return err
+		}
+
+		err = a.writer.WriteHeader(h)
+		if err != nil {
+			/*
+				fmt.Fprintf(os.Stderr, "This header has a problem: %s\n", h)
+				fmt.Fprintln(os.Stderr, "FUCK this error")
+				fmt.Fprintln(os.Stderr, err)
+			*/
+			// fmt.Fprintln(os.Stderr, "Here!")
+			return err
+		}
+
+		_, err = io.Copy(a.writer, f)
+		if err != nil {
+			fmt.Fprintln(os.Stderr, "here")
+			fmt.Fprintln(os.Stderr, f.Name())
+			return err
+		}
+
+		return nil
+	}
+}