Add set jira and set github token commands

cmd/token.go

@@ -1,6 +1,8 @@
 package cmd
 
 import (
+	"git.ctrlz.es/mgdelacroix/campaigner/config"
+	
 	"github.com/spf13/cobra"
 )
 
@@ -8,6 +10,8 @@ func TokenSetJiraCmd() *cobra.Command {
 	return &cobra.Command{
 		Use:   "jira",
 		Short: "Sets the value of the jira token",
+		Args: cobra.ExactArgs(1),
+		RunE: tokenSetJiraCmdF,
 	}
 }
 
@@ -15,6 +19,8 @@ func TokenSetGithubCmd() *cobra.Command {
 	return &cobra.Command{
 		Use:   "github",
 		Short: "Sets the value of the github token",
+		Args: cobra.ExactArgs(1),
+		RunE: tokenSetGithubCmdF,
 	}
 }
 
@@ -44,3 +50,29 @@ func TokenCmd() *cobra.Command {
 
 	return cmd
 }
+
+func tokenSetJiraCmdF(cmd *cobra.Command, args []string) error {
+	cfg, err := config.ReadConfig()
+	if err != nil {
+		ErrorAndExit(cmd, err)
+	}
+
+	cfg.JiraToken = args[0]
+	if err := config.SaveConfig(cfg); err != nil {
+		ErrorAndExit(cmd, err)
+	}
+	return nil
+}
+
+func tokenSetGithubCmdF(cmd *cobra.Command, args []string) error {
+	cfg, err := config.ReadConfig()
+	if err != nil {
+		ErrorAndExit(cmd, err)
+	}
+
+	cfg.GithubToken = args[0]
+	if err := config.SaveConfig(cfg); err != nil {
+		ErrorAndExit(cmd, err)
+	}
+	return nil
+}

cmd/utils.go

@@ -0,0 +1,12 @@
+package cmd
+
+import (
+	"os"
+
+	"github.com/spf13/cobra"
+)
+
+func ErrorAndExit(cmd *cobra.Command, err error) {
+	cmd.PrintErrln(err)
+	os.Exit(1)
+}

config/config.go

@@ -28,7 +28,7 @@ func ReadConfig() (*Config, error) {
 	}
 
 	if _, err := os.Stat(configPath); err != nil {
-		return nil, fmt.Errorf("cannot read campaigner config file: %w", err)
+		return &Config{}, nil 
 	}
 
 	fileContents, err := ioutil.ReadFile(configPath)