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bootstrap.go
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bootstrap.go
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package cmd
import (
"bytes"
"fmt"
"net/http"
"os"
"strings"
"text/template"
"github.com/spf13/cobra"
"github.com/Shopify/themekit/cmd/atom"
"github.com/Shopify/themekit/kit"
)
const (
masterBranch = "master"
latestRelease = "latest"
)
var (
themeZipRoot = "https://github.com/Shopify/Timber/archive/"
timberFeedPath = "https://github.com/Shopify/Timber/releases.atom"
invalidVersionTmplt = template.Must(template.New("invalidVersionError").Parse(`Invalid Timber Version: {{ .Requested }}
Available Versions Are:
- master
- latest
{{- range .Versions }}
- {{ . }}
{{- end }}`))
)
var bootstrapCmd = &cobra.Command{
Use: "bootstrap",
Short: "Bootstrap a new theme using Shopify Timber",
Long: `Bootstrap will download the latest release of Timber,
The most popular theme on Shopify. Bootstrap will also setup
your config file and create a new theme id for you.
For more documentation please see http://shopify.github.io/themekit/commands/#bootstrap
`,
RunE: bootstrap,
}
func bootstrap(cmd *cobra.Command, args []string) error {
zipLocation, err := getNewThemeZipPath()
if err != nil {
return err
}
themeName := getNewThemeName()
if arbiter.verbose {
stdOut.Printf(
"Attempting to create theme %s from %s",
yellow(themeName),
yellow(zipLocation),
)
}
client, theme, err := kit.CreateTheme(themeName, zipLocation)
if err != nil {
return err
}
if err := saveConfiguration(client.Config); err != nil {
return err
}
if arbiter.verbose {
stdOut.Printf(
"Successfully created theme '%s' with id of %s on shop %s",
blue(theme.Name),
blue(theme.ID),
yellow(client.Config.Domain),
)
}
if err := arbiter.generateThemeClients(nil, []string{}); err != nil {
return err
}
return download(client, []string{})
}
func getNewThemeZipPath() (string, error) {
if bootstrapURL != "" {
return bootstrapURL, nil
} else if bootstrapVersion == masterBranch {
return themeZipRoot + masterBranch + ".zip", nil
}
feed, err := downloadThemeReleaseAtomFeed()
if err != nil {
return "", err
}
entry, err := findThemeReleaseWith(feed, bootstrapVersion)
if err != nil {
return "", err
}
return themeZipRoot + entry.Title + ".zip", nil
}
func getNewThemeName() string {
if bootstrapName != "" {
return bootstrapName
}
if bootstrapURL != "" {
parts := strings.Split(bootstrapURL, "/")
return bootstrapPrefix + strings.Replace(parts[len(parts)-1], ".zip", "", 1)
}
return bootstrapPrefix + "Timber-" + bootstrapVersion
}
func downloadThemeReleaseAtomFeed() (atom.Feed, error) {
resp, err := http.Get(timberFeedPath)
if err != nil {
return atom.Feed{}, err
}
defer resp.Body.Close()
feed, err := atom.LoadFeed(resp.Body)
if err != nil {
return atom.Feed{}, err
}
return feed, nil
}
func findThemeReleaseWith(feed atom.Feed, version string) (atom.Entry, error) {
if version == latestRelease {
return feed.LatestEntry(), nil
}
entries := []string{}
for _, entry := range feed.Entries {
if entry.Title == version {
return entry, nil
}
entries = append(entries, entry.Title)
}
var tpl bytes.Buffer
invalidVersionTmplt.Execute(&tpl, struct {
Requested string
Versions []string
}{version, entries})
return atom.Entry{Title: "Invalid Feed"}, fmt.Errorf(tpl.String())
}
func saveConfiguration(config *kit.Configuration) error {
env, err := kit.LoadEnvironments(arbiter.configPath)
if err != nil && !os.IsNotExist(err) {
return err
}
flagEnvs := arbiter.environments.Value()
if len(flagEnvs) == 0 {
env.SetConfiguration(kit.DefaultEnvironment, config)
} else {
for _, envName := range flagEnvs {
env.SetConfiguration(envName, config)
}
}
return env.Save(arbiter.configPath)
}