add(cli): cli interface for push, pull and version

cmd/pull.go

@@ -0,0 +1,41 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"gitea.yves-biener.de/yves-biener/gitwarrior/internal/gitea"
+	"gitea.yves-biener.de/yves-biener/gitwarrior/internal/gitw"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	pullCmd.Flags().BoolVarP(&dry_run, "dry-run", "d", false, "Only output changes without applying them")
+	rootCmd.AddCommand(pullCmd)
+}
+
+var pullCmd = &cobra.Command{
+	Use:   "pull",
+	Short: "Pull changes from git repository of current directory",
+	Long: `Pull changes of all issues and milestones from the git server identified by the remote url of the current working directory.
+In case of merge conflicts $EDITOR is executed to manually edit the changes to resolve the merge conflicts directly.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		server := gitea.NewGitea()
+		repository, err := gitw.Discover()
+		if err != nil {
+			fmt.Fprintln(os.Stderr, err)
+			os.Exit(-1)
+		}
+		repository, err = server.VerifyRepository(repository)
+		if err != nil {
+			fmt.Fprintln(os.Stderr, err)
+			os.Exit(-1)
+		}
+		project := gitw.NewProject(server, repository)
+		fmt.Printf("Pulling changes from %s\n", repository.Full_name)
+		if err = project.Pull(dry_run); err != nil {
+			fmt.Fprintln(os.Stderr, err)
+			os.Exit(-1)
+		}
+	},
+}