Rename to GitHub (#3)

* circle

* Rename to github and fn->cli

*  Rename to github and fn->cli

cli/bump.go

@@ -0,0 +1,103 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	bumper "github.com/giantswarm/semver-bump/bump"
+	"github.com/giantswarm/semver-bump/storage"
+	"github.com/urfave/cli"
+)
+
+var (
+	initialVersion = "0.0.1"
+)
+
+func bump() cli.Command {
+	cmd := bumpcmd{}
+	flags := append([]cli.Flag{}, cmd.flags()...)
+	return cli.Command{
+		Name:   "bump",
+		Usage:  "bump function version",
+		Flags:  flags,
+		Action: cmd.bump,
+	}
+}
+
+type bumpcmd struct {
+	verbose bool
+}
+
+func (b *bumpcmd) flags() []cli.Flag {
+	return []cli.Flag{
+		cli.BoolFlag{
+			Name:        "v",
+			Usage:       "verbose mode",
+			Destination: &b.verbose,
+		},
+	}
+}
+
+// bump will take the found valid function and bump its version
+func (b *bumpcmd) bump(c *cli.Context) error {
+	verbwriter := verbwriter(b.verbose)
+
+	path, err := os.Getwd()
+	if err != nil {
+		return err
+	}
+	fn, err := findFuncfile(path)
+	if err != nil {
+		return err
+	}
+
+	fmt.Fprintln(verbwriter, "bumping version for", fn)
+
+	funcfile, err := parsefuncfile(fn)
+	if err != nil {
+		return err
+	}
+
+	funcfile, err = bumpversion(*funcfile)
+	if err != nil {
+		return err
+	}
+
+	if err := storefuncfile(fn, funcfile); err != nil {
+		return err
+	}
+
+	fmt.Println("Bumped to version", funcfile.Version)
+	return nil
+}
+
+func bumpversion(funcfile funcfile) (*funcfile, error) {
+	funcfile.Name = cleanImageName(funcfile.Name)
+	if funcfile.Version == "" {
+		funcfile.Version = initialVersion
+		return &funcfile, nil
+	}
+
+	s, err := storage.NewVersionStorage("local", funcfile.Version)
+	if err != nil {
+		return nil, err
+	}
+
+	version := bumper.NewSemverBumper(s, "")
+	newver, err := version.BumpPatchVersion("", "")
+	if err != nil {
+		return nil, err
+	}
+
+	funcfile.Version = newver.String()
+	return &funcfile, nil
+}
+
+func cleanImageName(name string) string {
+	if i := strings.Index(name, ":"); i != -1 {
+		name = name[:i]
+	}
+
+	return name
+}