Honor repo flags on sync and push

src/commonflags.go

@@ -0,0 +1,31 @@
+package src
+
+import (
+	"github.com/spf13/cobra"
+)
+
+// flags common to pull, push and sync operations
+type CommonFlags struct {
+	CacheDir, RepoName, RepoNameList, RepoNameListFile string
+}
+
+func (f *CommonFlags) Init(cmd *cobra.Command) {
+	cmd.Flags().StringVar(&f.CacheDir, "cache-dir", "", "Directory containing the repopositories cache created by the `pull` command")
+	_ = cmd.MarkFlagRequired("cache-dir")
+
+	cmd.Flags().StringVar(&f.RepoName, "repo-name", "", "Single repository name to pull")
+	cmd.Flags().StringVar(&f.RepoNameList, "repo-name-list", "", "Comma delimited list of repository names to pull")
+	cmd.Flags().StringVar(&f.RepoNameListFile, "repo-name-list-file", "", "Path to file containing a list of repository names to pull")
+}
+
+func (f *CommonFlags) Validate(reposRequired bool) Validations {
+	var validations Validations
+	if reposRequired && !f.HasAtLeastOneRepoFlag() {
+		validations = append(validations, "one of --repo-name, --repo-name-list, --repo-name-list-file must be set")
+	}
+	return validations
+}
+
+func (f *CommonFlags) HasAtLeastOneRepoFlag() bool {
+	return f.RepoName != "" || f.RepoNameList != "" || f.RepoNameListFile != ""
+}