feat: scaffold chain-registry files (backport #4413)

changelog.md

@@ -5,6 +5,7 @@
 ### Features
 
 - [#4457](https://github.com/ignite/cli/pull/4457) Add `skip-build` flag to `chain serve` command to avoid (re)building the chain
+- [#4413](https://github.com/ignite/cli/pull/4413) Add `ignite s chain-registry` command
 
 ## [`v28.6.1`](https://github.com/ignite/cli/releases/tag/v28.6.1)
 

ignite/cmd/scaffold.go

@@ -130,6 +130,7 @@ with an "--ibc" flag. Note that the default module is not IBC-enabled.
 		NewScaffoldBandchain(),
 		NewScaffoldVue(),
 		NewScaffoldReact(),
+		NewScaffoldChainRegistry(),
 	)
 
 	return c

ignite/cmd/scaffold_chain_registry.go

@@ -0,0 +1,68 @@
+package ignitecmd
+
+import (
+	"github.com/spf13/cobra"
+
+	"github.com/ignite/cli/v28/ignite/pkg/cliui"
+	"github.com/ignite/cli/v28/ignite/services/chain"
+	"github.com/ignite/cli/v28/ignite/services/scaffolder"
+)
+
+// NewScaffoldChainRegistry returns the command to scaffold the chain registry chain.json and assets.json files.
+func NewScaffoldChainRegistry() *cobra.Command {
+	c := &cobra.Command{
+		Use:   "chain-registry",
+		Short: "Configs for the chain registry",
+		Long: `Scaffold the chain registry chain.json and assets.json files.
+
+The chain registry is a GitHub repo, hosted at https://github.com/cosmos/cosmos-registry, that
+contains the chain.json and assets.json files of most of chains in the Cosmos ecosystem.
+It is good practices, when creating a new chain, and about to launch a testnet or mainnet, to
+publish the chain's metadata in the chain registry.
+
+Read more about the chain.json at https://github.com/cosmos/chain-registry?tab=readme-ov-file#chainjson
+Read more about the assets.json at https://github.com/cosmos/chain-registry?tab=readme-ov-file#assetlists`,
+		Args:    cobra.NoArgs,
+		PreRunE: migrationPreRunHandler,
+		RunE:    scaffoldChainRegistryFiles,
+	}
+
+	flagSetPath(c)
+	flagSetClearCache(c)
+
+	c.Flags().AddFlagSet(flagSetYes())
+
+	return c
+}
+
+func scaffoldChainRegistryFiles(cmd *cobra.Command, _ []string) error {
+	session := cliui.New(cliui.StartSpinnerWithText(statusScaffolding))
+	defer session.End()
+
+	c, err := chain.NewWithHomeFlags(cmd)
+	if err != nil {
+		return err
+	}
+
+	cfg, err := c.Config()
+	if err != nil {
+		return err
+	}
+
+	appPath := flagGetPath(cmd)
+	sc, err := scaffolder.New(appPath)
+	if err != nil {
+		return err
+	}
+
+	if err = sc.AddChainRegistryFiles(c, cfg); err != nil {
+		return err
+	}
+
+	// no need for post scaffolding, as we are just creating two files
+	// that are not part of the build process
+
+	session.Printf("🎉 chain-registry files successfully scaffolded\n")
+
+	return nil
+}

ignite/pkg/xgit/xgit.go

@@ -159,3 +159,23 @@ func IsRepository(path string) (bool, error) {
 	}
 	return true, nil
 }
+
+// RepositoryURL returns the URL of the origin remote of a Git repository.
+func RepositoryURL(path string) (string, error) {
+	repo, err := git.PlainOpenWithOptions(path, &defaultOpenOpts)
+	if err != nil {
+		return "", err
+	}
+
+	cfg, err := repo.Config()
+	if err != nil {
+		return "", err
+	}
+
+	origin, ok := cfg.Remotes["origin"]
+	if !ok {
+		return "", errors.Errorf("no origin remote found in %s", path)
+	}
+
+	return origin.URLs[0], nil
+}