commands: add a "user adopt" command to use an existing identity

2 files changed, 52 insertions, 0 deletions

diff --git a/commands/user_adopt.go b/commands/user_adopt.go
new file mode 100644
index 00000000..5313e366
--- /dev/null
+++ b/commands/user_adopt.go
@@ -0,0 +1,48 @@
+package commands
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/MichaelMure/git-bug/cache"
+	"github.com/MichaelMure/git-bug/util/interrupt"
+	"github.com/spf13/cobra"
+)
+
+func runUserAdopt(cmd *cobra.Command, args []string) error {
+	backend, err := cache.NewRepoCache(repo)
+	if err != nil {
+		return err
+	}
+	defer backend.Close()
+	interrupt.RegisterCleaner(backend.Close)
+
+	prefix := args[0]
+
+	i, err := backend.ResolveIdentityPrefix(prefix)
+	if err != nil {
+		return err
+	}
+
+	err = backend.SetUserIdentity(i)
+	if err != nil {
+		return err
+	}
+
+	_, _ = fmt.Fprintf(os.Stderr, "Your identity is now: %s\n", i.DisplayName())
+
+	return nil
+}
+
+var userAdoptCmd = &cobra.Command{
+	Use:     "adopt <id>",
+	Short:   "Adopt an existing identity as your own.",
+	PreRunE: loadRepo,
+	RunE:    runUserAdopt,
+	Args:    cobra.ExactArgs(1),
+}
+
+func init() {
+	userCmd.AddCommand(userAdoptCmd)
+	userAdoptCmd.Flags().SortFlags = false
+}
diff --git a/commands/user_create.go b/commands/user_create.go
index 2d007600..00ec5b9b 100644
--- a/commands/user_create.go
+++ b/commands/user_create.go
@@ -18,6 +18,10 @@ func runUserCreate(cmd *cobra.Command, args []string) error {
 	defer backend.Close()
 	interrupt.RegisterCleaner(backend.Close)
 
+	_, _ = fmt.Fprintf(os.Stderr, "Before creating a new identity, please be aware that "+
+		"you can also use an already existing one using \"git bug user adopt\". As an example, "+
+		"you can do that if your identity has already been created by an importer.\n\n")
+
 	preName, err := backend.GetUserName()
 	if err != nil {
 		return err