Rename bundle to dump

pkg/dump.go

@@ -0,0 +1,64 @@
+package pkg
+
+import (
+	"bufio"
+	"git-get/pkg/repo"
+	"os"
+	"strings"
+
+	"github.com/pkg/errors"
+)
+
+var errInvalidNumberOfElements = errors.New("More than two space-separated 2 elements on the line")
+
+// ParseDumpFile opens a given gitgetfile and parses its content into a slice of CloneOpts.
+func ParseDumpFile(path string) ([]*repo.CloneOpts, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		return nil, errors.Wrapf(err, "Failed opening dump file %s", path)
+	}
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+
+	var opts []*repo.CloneOpts
+	var line int
+	for scanner.Scan() {
+		line++
+		opt, err := parseLine(scanner.Text())
+		if err != nil {
+			return nil, errors.Wrapf(err, "Failed parsing line %d", line)
+		}
+
+		opts = append(opts, opt)
+	}
+
+	return opts, nil
+}
+
+// parseLine splits a dump file line into space-separated segments.
+// First part is the URL to clone. Second, optional, is the branch (or tag) to checkout after cloning
+func parseLine(line string) (*repo.CloneOpts, error) {
+	parts := strings.Split(line, " ")
+
+	if len(parts) > 2 {
+		return nil, errInvalidNumberOfElements
+	}
+
+	url, err := ParseURL(parts[0])
+	if err != nil {
+		return nil, err
+	}
+
+	branch := ""
+	if len(parts) == 2 {
+		branch = parts[1]
+	}
+
+	return &repo.CloneOpts{
+		URL:    url,
+		Branch: branch,
+		// When cloning a bundle we ignore errors about already cloned repos.
+		IgnoreExisting: true,
+	}, nil
+}