Add a --fetch flag to first fetch from remotes before printing repos status

cfg/config.go

@@ -10,8 +10,11 @@ import (
 	"github.com/spf13/viper"
 )
 
+// Gitconfig section name and env var prefix
+const GitgetPrefix = "gitget"
+
+// Flag keys and default values
 const (
-	GitgetPrefix   = "gitget"
 	KeyReposRoot   = "reposRoot"
 	DefReposRoot   = "repositories"
 	KeyDefaultHost = "defaultHost"
@@ -20,8 +23,11 @@ const (
 	DefPrivateKey  = "id_rsa"
 	KeyOutput      = "out"
 	DefOutput      = OutFlat
+	KeyFetch       = "fetch"
+	KeyList        = "list"
 )
 
+// Allowed values for the --out flag
 const (
 	OutFlat   = "flat"
 	OutSmart  = "smart"

cmd/main.go

@@ -28,13 +28,15 @@ var cmd = &cobra.Command{
 	Version: fmt.Sprintf("%s - %s, build at %s", version, commit, date),
 }
 
-var list bool
-
 func init() {
-	cmd.PersistentFlags().BoolVarP(&list, "list", "l", false, "Lists all repositories inside git-get root")
+	cmd.PersistentFlags().BoolP(cfg.KeyList, "l", false, "Lists all repositories inside git-get root")
+	cmd.PersistentFlags().BoolP(cfg.KeyFetch, "f", false, "Fetch from remotes when listing repositories")
 	cmd.PersistentFlags().StringP(cfg.KeyReposRoot, "r", "", "repos root")
 	cmd.PersistentFlags().StringP(cfg.KeyPrivateKey, "p", "", "SSH private key path")
 	cmd.PersistentFlags().StringP(cfg.KeyOutput, "o", cfg.DefOutput, "output format.")
+
+	viper.BindPFlag(cfg.KeyList, cmd.PersistentFlags().Lookup(cfg.KeyList))
+	viper.BindPFlag(cfg.KeyFetch, cmd.PersistentFlags().Lookup(cfg.KeyFetch))
 	viper.BindPFlag(cfg.KeyReposRoot, cmd.PersistentFlags().Lookup(cfg.KeyReposRoot))
 	viper.BindPFlag(cfg.KeyPrivateKey, cmd.PersistentFlags().Lookup(cfg.KeyReposRoot))
 	viper.BindPFlag(cfg.KeyOutput, cmd.PersistentFlags().Lookup(cfg.KeyOutput))
@@ -44,7 +46,7 @@ func Run(cmd *cobra.Command, args []string) {
 	cfg.InitConfig()
 
 	root := viper.GetString(cfg.KeyReposRoot)
-	if list {
+	if viper.GetBool(cfg.KeyList) {
 		// TODO: move it to OpenAll and don't export
 		paths, err := path.FindRepos()
 		exitIfError(err)
@@ -61,7 +63,7 @@ func Run(cmd *cobra.Command, args []string) {
 		case cfg.OutSmart:
 			printer = &print.SmartTreePrinter{}
 		default:
-			err = fmt.Errorf("invalid --output flag; allowed values: %v", []string{cfg.OutFlat, cfg.OutSimple, cfg.OutSmart})
+			err = fmt.Errorf("invalid --out flag; allowed values: %v", []string{cfg.OutFlat, cfg.OutSimple, cfg.OutSmart})
 		}
 		exitIfError(err)
 

git/status.go

@@ -1,9 +1,12 @@
 package git
 
 import (
+	"git-get/cfg"
 	"sort"
 	"strings"
 
+	"github.com/spf13/viper"
+
 	"github.com/go-git/go-billy/v5/osfs"
 
 	"github.com/go-git/go-git/v5/plumbing/format/gitignore"
@@ -39,12 +42,20 @@ type BranchStatus struct {
 }
 
 func (r *Repo) LoadStatus() error {
+	// Fetch from remotes if executed with --fetch flag. Ignore the "already up-to-date" errors.
+	if viper.GetBool(cfg.KeyFetch) {
+		err := r.Fetch()
+		if err != nil && !errors.Is(err, git.NoErrAlreadyUpToDate) {
+			return errors.Wrap(err, "Failed fetching from remotes")
+		}
+	}
+
 	wt, err := r.Worktree()
 	if err != nil {
 		return errors.Wrap(err, "Failed getting worktree")
 	}
 
-	// worktree.Status doesn't load gitignore patterns that may be defined outside of .gitignore file using excludesfile
+	// worktree.Status doesn't load gitignore patterns that are defined outside of .gitignore file using excludesfile.
 	// We need to load them explicitly here
 	// TODO: variables are not expanded so if excludesfile is declared like "~/gitignore_global" or "$HOME/gitignore_global", this will fail to open it
 	globalPatterns, err := gitignore.LoadGlobalPatterns(osfs.New(""))