placeholders for checkout and merge

Author: skarim

cmd/checkout.go

@@ -0,0 +1,43 @@
+package cmd
+
+import (
+	"github.com/github/gh-stack/internal/config"
+	"github.com/spf13/cobra"
+)
+
+type checkoutOptions struct {
+	target   string
+	noSwitch bool
+}
+
+func CheckoutCmd(cfg *config.Config) *cobra.Command {
+	opts := &checkoutOptions{}
+
+	cmd := &cobra.Command{
+		Use:   "checkout <pr-or-branch>",
+		Short: "Checkout a stack from a PR number or branch name",
+		Long:  "Discover and check out an entire stack from a pull request number, URL, or branch name.",
+		Args:  cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			opts.target = args[0]
+			return runCheckout(cfg, opts)
+		},
+	}
+
+	cmd.Flags().BoolVar(&opts.noSwitch, "no-switch", false, "Fetch and track the stack without switching branches")
+
+	return cmd
+}
+
+// runCheckout is a placeholder for the stack checkout workflow.
+//
+// The intended behavior is:
+//  1. Resolve the target (PR number, URL, or branch name) to a PR
+//  2. If the PR is part of a stack, discover the full set of PRs in the stack
+//  3. Fetch and create local tracking branches for every branch in the stack
+//  4. Save the stack to local tracking (.git/gh-stack, similar to gh stack init --adopt)
+//  5. Switch to the target branch (unless --no-switch is set)
+func runCheckout(cfg *config.Config, opts *checkoutOptions) error {
+	cfg.Warningf("gh stack checkout is not yet implemented\n")
+	return nil
+}

cmd/merge.go

@@ -0,0 +1,31 @@
+package cmd
+
+import (
+	"github.com/github/gh-stack/internal/config"
+	"github.com/spf13/cobra"
+)
+
+func MergeCmd(cfg *config.Config) *cobra.Command {
+	opts := struct{}{}
+
+	cmd := &cobra.Command{
+		Use:   "merge <pr>",
+		Short: "Merge a stack of PRs",
+		Long:  "Merges the specified PR and all PRs below it in the stack.",
+		Args:  cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return runMerge(cfg, opts)
+		},
+	}
+
+	return cmd
+}
+
+// runMerge is a placeholder for the stack merge workflow.
+//
+// We need a mergeability check for the entire stack
+// and an endpoint for merging an entire stack
+func runMerge(cfg *config.Config, opts struct{}) error {
+	cfg.Warningf("gh stack merge is not yet implemented\n")
+	return nil
+}

cmd/root.go

@@ -25,6 +25,10 @@ func RootCmd() *cobra.Command {
 	root.AddCommand(InitCmd(cfg))
 	root.AddCommand(AddCmd(cfg))
 
+	// Remote operations
+	root.AddCommand(CheckoutCmd(cfg))
+	root.AddCommand(MergeCmd(cfg))
+
 	// Helper commands
 	root.AddCommand(ViewCmd(cfg))
 	root.AddCommand(UpdateCmd(cfg))