cli: consolidate and improve cli

README.md

@@ -52,15 +52,14 @@ Usage:
   oizys [command]
 
 Available Commands:
-  boot                    nixos rebuild boot
   build                   nix build
   cache                   build and push to cachix
   checks                  nix build checks
   ci                      offload build to GHA
   dry                     poor man's nix flake check
   help                    Help about any command
+  os                      nixos-rebuild wrapper
   output                  show nixosConfiguration attr
-  switch                  nixos rebuild switch
   update                  update and run nixos rebuild
 
 Flags:
@@ -84,3 +83,4 @@ Oizys was birthed by the goddess Nyx/Nix and embodies suffering and misery. Whic
 > I don't use home-manager to manager my shell/user configs. You can find those in my separate `chezmoi`-managed [`dotfiles`](https://git.dayl.in/daylin/dotfiles) repository.
 
 
+

pkgs/oizys/cmd/boot.go

@@ -1,19 +0,0 @@
-package cmd
-
-import (
-	"oizys/internal/oizys"
-
-	"github.com/spf13/cobra"
-)
-
-var bootCmd = &cobra.Command{
-	Use:   "boot",
-	Short: "nixos rebuild boot",
-	Run: func(cmd *cobra.Command, args []string) {
-		oizys.NixosRebuild("boot", args...)
-	},
-}
-
-func init() {
-	rootCmd.AddCommand(bootCmd)
-}

pkgs/oizys/cmd/build.go

@@ -10,12 +10,11 @@ var buildCmd = &cobra.Command{
 	Use:   "build",
 	Short: "nix build",
 	Run: func(cmd *cobra.Command, args []string) {
-		oizys.NixBuild(nom, minimal, args...)
+		oizys.NixBuild(minimal, args...)
 	},
 }
 
 func init() {
 	rootCmd.AddCommand(buildCmd)
-	buildCmd.Flags().BoolVar(&nom, "nom", false, "display result with nom")
 	buildCmd.Flags().BoolVar(&minimal, "minimal", false, "use system dry-run to make build args")
 }

pkgs/oizys/cmd/checks.go

@@ -10,11 +10,10 @@ var checksCmd = &cobra.Command{
 	Use:   "checks",
 	Short: "nix build checks",
 	Run: func(cmd *cobra.Command, args []string) {
-		oizys.Checks(nom, args...)
+		oizys.Checks(args...)
 	},
 }
 
 func init() {
 	rootCmd.AddCommand(checksCmd)
-	checksCmd.Flags().BoolVar(&nom, "nom", false, "display result with nom")
 }

pkgs/oizys/cmd/os.go

@@ -0,0 +1,38 @@
+package cmd
+
+import (
+	"fmt"
+	"oizys/internal/oizys"
+	"slices"
+	"strings"
+
+	"github.com/spf13/cobra"
+)
+
+var validArgs = []string{
+	"switch", "boot", "test", "build", "dry-build", "dry-activate", "edit", "repl",
+	"build-vm", "build-vm-with-bootloader",
+	"list-generations",
+}
+var osCmd = &cobra.Command{
+	Use:   "os [subcmd]",
+	Short: "nixos-rebuild wrapper",
+	Args: func(cmd *cobra.Command, args []string) error {
+		if err := cobra.MinimumNArgs(1)(cmd, args); err != nil {
+			return err
+		}
+		// Run the custom validation logic
+		if slices.Contains(validArgs, args[0]) {
+			return nil
+		}
+		return fmt.Errorf("unexpected arg: %s\nexpected one of:\n  %s", args[0], strings.Join(validArgs, ", "))
+	},
+	Run: func(cmd *cobra.Command, args []string) {
+		subcmd := args[0]
+		oizys.NixosRebuild(subcmd, args[1:]...)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(osCmd)
+}

pkgs/oizys/cmd/root.go

@@ -33,7 +33,6 @@ var (
 	host       string
 	debug      bool
 	verbose    bool
-	nom        bool
 	systemPath bool
 	resetCache bool
 	minimal    bool

pkgs/oizys/cmd/switch.go

@@ -1,19 +0,0 @@
-package cmd
-
-import (
-	"oizys/internal/oizys"
-
-	"github.com/spf13/cobra"
-)
-
-var switchCmd = &cobra.Command{
-	Use:   "switch",
-	Short: "nixos rebuild switch",
-	Run: func(cmd *cobra.Command, args []string) {
-		oizys.NixosRebuild("switch", args...)
-	},
-}
-
-func init() {
-	rootCmd.AddCommand(switchCmd)
-}

pkgs/oizys/cmd/update.go

@@ -1,8 +1,13 @@
 package cmd
 
 import (
+	"fmt"
+	"oizys/internal/github"
 	"oizys/internal/oizys"
+	"oizys/internal/ui"
+	"os"
 
+	"github.com/charmbracelet/log"
 	"github.com/spf13/cobra"
 )
 
@@ -10,14 +15,25 @@ var updateCmd = &cobra.Command{
 	Use:   "update",
 	Short: "update and run nixos rebuild",
 	Run: func(cmd *cobra.Command, args []string) {
-		oizys.GitPull()
+		run := github.GetLastUpdateRun()
-		oizys.NixosRebuild("switch", args...)
+		if preview {
+			md, err := github.GetUpateSummary(run.GetID())
+			if err != nil {
+				log.Fatal(err)
+			}
+			fmt.Println(md)
+			if !ui.Confirm("proceed with system update?") {
+				os.Exit(0)
+			}
+		}
+		oizys.UpdateRepo()
+		oizys.NixosRebuild("switch")
 	},
 }
 
-var boot bool
+var preview bool
 
 func init() {
 	rootCmd.AddCommand(updateCmd)
-	updateCmd.Flags().BoolVarP(&boot, "boot", "b", false, "run nixos-rebuild boot")
+	updateCmd.Flags().BoolVar(&preview, "preview", false, "confirm nix store diff")
 }

pkgs/oizys/default.nix

@@ -3,19 +3,17 @@
   installShellFiles,
   buildGoModule,
   makeWrapper,
-  gh,
-  nix-output-monitor,
   ...
 }:
 let
-  inherit (lib) cleanSource makeBinPath;
+  inherit (lib) cleanSource;
 in
 buildGoModule {
   pname = "oizys";
   version = "unstable";
 
   src = cleanSource ./.;
-  vendorHash = "sha256-/JVXhXrU2np/ty7AGFy+LPZCo1NaLYl9NAyD9+FJYBI=";
+  vendorHash = "sha256-+4OtpcKHfomBAXRrJOvkhQdCSwU0W6+5OJuS4o12r5E=";
 
   nativeBuildInputs = [
     installShellFiles
@@ -27,13 +25,4 @@ buildGoModule {
       --zsh <(OIZYS_SKIP_CHECK=true $out/bin/oizys completion zsh)
   '';
 
-  postFixup = ''
-    wrapProgram $out/bin/oizys \
-      --prefix PATH ':' ${
-        makeBinPath [
-          gh
-          nix-output-monitor
-        ]
-      }
-  '';
   }

pkgs/oizys/go.mod

@@ -6,6 +6,7 @@ require (
 	github.com/briandowns/spinner v1.23.0
 	github.com/charmbracelet/lipgloss v0.11.0
 	github.com/charmbracelet/log v0.4.0
+	github.com/google/go-github/v63 v63.0.0
 	github.com/ivanpirog/coloredcobra v1.0.1
 	github.com/spf13/cobra v1.8.0
 	golang.org/x/term v0.21.0
@@ -16,6 +17,7 @@ require (
 	github.com/charmbracelet/x/ansi v0.1.2 // indirect
 	github.com/fatih/color v1.17.0 // indirect
 	github.com/go-logfmt/logfmt v0.6.0 // indirect
+	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect

pkgs/oizys/go.sum

@@ -17,6 +17,13 @@ github.com/fatih/color v1.17.0 h1:GlRw1BRJxkpqUCBKzKOw098ed57fEsKeNjpTe3cSjK4=
 github.com/fatih/color v1.17.0/go.mod h1:YZ7TlrGPkiz6ku9fK3TLD/pl3CpsiFyu8N92HLgmosI=
 github.com/go-logfmt/logfmt v0.6.0 h1:wGYYu3uicYdqXVgoYbvnkrPVXkuLM1p1ifugDMEdRi4=
 github.com/go-logfmt/logfmt v0.6.0/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
+github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-github/v63 v63.0.0 h1:13xwK/wk9alSokujB9lJkuzdmQuVn2QCPeck76wR3nE=
+github.com/google/go-github/v63 v63.0.0/go.mod h1:IqbcrgUmIcEaioWrGYei/09o+ge5vhffGOcxrO0AfmA=
+github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD/fhyJ8=
+github.com/google/go-querystring v1.1.0/go.mod h1:Kcdr2DB4koayq7X8pmAG4sNG59So17icRSOU623lUBU=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
@@ -60,6 +67,7 @@ golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
 golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.21.0 h1:WVXCp+/EBEHOj53Rvu+7KiT/iElMrO8ACK16SMZ3jaA=
 golang.org/x/term v0.21.0/go.mod h1:ooXLefLobQVslOqselCNF4SxFAaoS6KujMbsGzSDmX0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

pkgs/oizys/internal/git/main.go

@@ -1,18 +1,24 @@
-package oizys
+package git
 
 import (
 	"fmt"
+	"oizys/internal/ui"
 	"os"
 	"os/exec"
 
 	"github.com/charmbracelet/log"
-	"oizys/internal/ui"
 )
 
 type GitRepo struct {
 	path string
 }
 
+func NewRepo(path string) *GitRepo {
+	repo := new(GitRepo)
+	repo.path = path
+	return repo
+}
+
 func (g *GitRepo) git(rest ...string) *exec.Cmd {
 	args := []string{"-C", g.path}
 	args = append(args, rest...)
@@ -21,8 +27,22 @@ func (g *GitRepo) git(rest ...string) *exec.Cmd {
 	return cmd
 }
 
-func GitPull(workDir string) {
+func (g *GitRepo) Fetch() {
-	g := GitRepo{workDir}
+	err := g.git("fetch").Run()
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func (g *GitRepo) Rebase(ref string) {
+	g.Status()
+	err := g.git("rebase", ref).Run()
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func (g *GitRepo) Status() {
 	cmdOutput, err := g.git("status", "--porcelain").Output()
 	if err != nil {
 		log.Fatal(err)
@@ -33,8 +53,11 @@ func GitPull(workDir string) {
 		ui.ShowFailedOutput(cmdOutput)
 		os.Exit(1)
 	}
+}
 
-	cmdOutput, err = g.git("pull").CombinedOutput()
+func (g *GitRepo) Pull() {
+	g.Status()
+	cmdOutput, err := g.git("pull").CombinedOutput()
 	if err != nil {
 		ui.ShowFailedOutput(cmdOutput)
 		log.Fatal(err)

pkgs/oizys/internal/github/main.go

@@ -0,0 +1,154 @@
+package github
+
+import (
+	"archive/zip"
+	"bytes"
+	"context"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"oizys/internal/oizys"
+
+	"github.com/charmbracelet/log"
+	"github.com/google/go-github/v63/github"
+)
+
+var client *github.Client
+
+func init() {
+	client = github.NewClient(nil).WithAuthToken(oizys.GithubToken())
+}
+
+func ListWorkflows() {
+	workflowRuns, resp, err := client.Actions.ListWorkflowRunsByFileName(
+		context.Background(),
+		"daylinmorgan",
+		"oizys",
+		"update.yml",
+		nil,
+	)
+	if err != nil {
+		log.Fatal("Failed to get a list of workflows", "err", err, "resp", resp)
+	}
+	for _, w := range workflowRuns.WorkflowRuns {
+		fmt.Println(w.GetID())
+		fmt.Println(w.GetConclusion())
+	}
+}
+
+func ListUpdateRuns() (*github.WorkflowRuns, *github.Response) {
+	workflowRuns, resp, err := client.Actions.ListWorkflowRunsByFileName(
+		context.Background(),
+		"daylinmorgan",
+		"oizys",
+		"update.yml",
+		nil,
+	)
+	if err != nil {
+		log.Fatal("failed to get last update run", "resp", resp, "err", err)
+	}
+
+	return workflowRuns, resp
+}
+
+func GetArtifacts(runID int64) (*github.ArtifactList, *github.Response) {
+	artifactList, resp, err := client.Actions.ListWorkflowRunArtifacts(context.Background(), "daylinmorgan", "oizys", runID, nil)
+	if err != nil {
+		log.Fatal("failed to get artifacts for run", "id", runID, "err", err)
+	}
+	return artifactList, resp
+}
+
+func GetUpdateSummaryArtifact(runID int64) *github.Artifact {
+	artifactList, _ := GetArtifacts(runID)
+	for _, artifact := range artifactList.Artifacts {
+		if artifact.GetName() == "summary" {
+			return artifact
+		}
+	}
+	log.Fatal("failed to find summary for run", "id", runID)
+	return nil
+}
+
+func GetUpdateSummaryUrl(runID int64) *url.URL {
+	artifact := GetUpdateSummaryArtifact(runID)
+	url, resp, err := client.Actions.DownloadArtifact(context.Background(), "daylinmorgan", "oizys", artifact.GetID(), 4)
+	if err != nil {
+		log.Fatal("failed to get update summary URL", "artifact", artifact.GetID(), "resp", resp)
+	}
+	return url
+}
+
+func GetUpdateSummaryFromUrl(url *url.URL) []byte {
+	log.Debug(url.String())
+	res, err := http.Get(url.String())
+	if err != nil {
+		log.Fatal("failed to get update summary zip", "err", err)
+	}
+	body, err := io.ReadAll(res.Body)
+	res.Body.Close()
+	if res.StatusCode > 299 {
+		log.Fatalf("Response failed with status code: %d and\nbody: %s\n", res.StatusCode, body)
+	}
+	if err != nil {
+		log.Fatal(err)
+	}
+	return body
+}
+
+func GetLastUpdateRun() *github.WorkflowRun {
+	workflowRuns, _ := ListUpdateRuns()
+	run := workflowRuns.WorkflowRuns[0]
+	if run.GetConclusion() == "failure" {
+		log.Fatal("Most recent run was not successful", "runId", run.GetID(), "conclusion", run.GetConclusion())
+	}
+	if run.GetStatus() == "in_progress" {
+		log.Fatalf("Most recent run is not finished\nview workflow run at: %s", run.GetHTMLURL())
+	}
+	return run
+}
+
+func GetUpateSummary(runID int64) (string, error) {
+	url := GetUpdateSummaryUrl(runID)
+	bytes := GetUpdateSummaryFromUrl(url)
+	md, err := ReadMarkdownFromZip(bytes, "summary.md")
+	return md, err
+}
+
+func ReadMarkdownFromZip(zipData []byte, fileName string) (string, error) {
+	// Open the zip reader from the in-memory byte slice
+	reader, err := zip.NewReader(bytes.NewReader(zipData), int64(len(zipData)))
+	if err != nil {
+		return "", err
+	}
+
+	// Search for the target file
+	var markdownFile *zip.File
+	for _, f := range reader.File {
+		if f.Name == fileName {
+			markdownFile = f
+			break
+		}
+	}
+
+	if markdownFile == nil {
+		return "", fmt.Errorf("file %s not found in zip archive", fileName)
+	}
+
+	// Open the markdown file reader
+	fileReader, err := markdownFile.Open()
+	if err != nil {
+		return "", err
+	}
+	defer fileReader.Close()
+
+	// Read the markdown content
+	content, err := io.ReadAll(fileReader)
+	if err != nil {
+		return "", err
+	}
+
+	// Return the markdown content as string
+	return string(content), nil
+}

pkgs/oizys/internal/oizys/main.go

@@ -5,6 +5,8 @@ import (
 	"errors"
 	"fmt"
 	"io/fs"
+	"oizys/internal/git"
+	"oizys/internal/ui"
 	"os"
 	"os/exec"
 	"strings"
@@ -13,7 +15,6 @@ import (
 	"github.com/charmbracelet/log"
 
 	e "oizys/internal/exec"
-	"oizys/internal/ui"
 )
 
 var o *Oizys
@@ -24,10 +25,13 @@ func init() {
 
 // verbose vs debug?
 type Oizys struct {
+	repo          *git.GitRepo
 	flake         string
 	host          string
 	cache         string
 	githubSummary string
+	githubToken   string
+	local         bool
 	inCI          bool
 	verbose       bool
 	systemPath    bool
@@ -52,21 +56,29 @@ func New() *Oizys {
 	}
 	o.githubSummary = os.Getenv("GITHUB_STEP_SUMMARY")
 	o.inCI = o.githubSummary != ""
-
+	o.githubToken = os.Getenv("GITHUB_TOKEN")
+	o.repo = git.NewRepo(o.flake)
 	return o
 }
 
+func GithubToken() string {
+	return o.githubToken
+}
+
 func SetFlake(path string) {
 	// Check path exists
 	if path != "" {
 		o.flake = path
 	}
-	// check local path exists
+
+	// check if path is local and exists
 	if !strings.HasPrefix(o.flake, "github") && !strings.HasPrefix(o.flake, "git+") {
 		if _, ok := os.LookupEnv("OIZYS_SKIP_CHECK"); !ok {
 			if _, err := os.Stat(o.flake); errors.Is(err, fs.ErrNotExist) {
 				log.Warnf("path to flake %s does not exist, using remote as fallback", o.flake)
 				o.flake = "github:daylinmorgan/oizys"
+			} else {
+				o.local = true
 			}
 		}
 	}
@@ -127,33 +139,6 @@ func Output() {
 	}
 }
 
-func git(rest ...string) *exec.Cmd {
-	args := []string{"-C", o.flake}
-	args = append(args, rest...)
-	cmd := exec.Command("git", args...)
-	e.LogCmd(cmd)
-	return cmd
-}
-
-func GitPull() {
-	cmdOutput, err := git("status", "--porcelain").Output()
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	if len(cmdOutput) > 0 {
-		fmt.Println("unstaged commits, cowardly exiting...")
-		ui.ShowFailedOutput(cmdOutput)
-		os.Exit(1)
-	}
-
-	cmdOutput, err = git("pull").CombinedOutput()
-	if err != nil {
-		ui.ShowFailedOutput(cmdOutput)
-		log.Fatal(err)
-	}
-}
-
 func parseDryRun(buf string) (*ui.Packages, *ui.Packages) {
 	lines := strings.Split(strings.TrimSpace(buf), "\n")
 	var parts [2][]string
@@ -260,14 +245,8 @@ func NixosRebuild(subcmd string, rest ...string) {
 	e.ExitWithCommand(cmd)
 }
 
-func NixBuild(nom bool, minimal bool, rest ...string) {
+func NixBuild(minimal bool, rest ...string) {
-	var cmdName string
+	cmd := exec.Command("nix", "build")
-	if nom {
-		cmdName = "nom"
-	} else {
-		cmdName = "nix"
-	}
-	cmd := exec.Command(cmdName, "build")
 	if o.resetCache {
 		cmd.Args = append(cmd.Args, "--narinfo-cache-negative-ttl", "0")
 	}
@@ -318,10 +297,10 @@ func (o *Oizys) checkPath(name string) string {
 	return fmt.Sprintf("%s#checks.x86_64-linux.%s", o.flake, name)
 }
 
-func Checks(nom bool, rest ...string) {
+func Checks(rest ...string) {
 	checks := o.getChecks()
 	for _, check := range checks {
-		NixBuild(nom, false, o.checkPath(check))
+		NixBuild(false, o.checkPath(check))
 	}
 }
 
@@ -338,8 +317,17 @@ func CacheBuild(rest ...string) {
 }
 
 func CI(rest ...string) {
-	args := []string{"workflow", "run", "build.yml", "-F", fmt.Sprintf("hosts=%s", o.host)}
+	args := []string{
+		"workflow", "run", "build.yml",
+		"-F", fmt.Sprintf("hosts=%s", o.host),
+	}
 	args = append(args, rest...)
 	cmd := exec.Command("gh", args...)
 	e.ExitWithCommand(cmd)
 }
+
+func UpdateRepo() {
+	log.Info("rebasing HEAD on origin/flake-lock")
+	o.repo.Fetch()
+	o.repo.Rebase("origin/flake-lock")
+}

pkgs/oizys/internal/oizys/nix.go

@@ -7,8 +7,9 @@ import (
 	"os/exec"
 	"strings"
 
-	"github.com/charmbracelet/log"
 	e "oizys/internal/exec"
+
+	"github.com/charmbracelet/log"
 )
 
 var ignoredMap = stringSliceToMap(
@@ -16,16 +17,12 @@ var ignoredMap = stringSliceToMap(
 		// nix
 		"ld-library-path", "builder.pl", "profile", "system-path",
 		// nixos
-		"nixos-install",
-		"nixos-version",
-		"nixos-manual-html",
-		"nixos-configuration-reference-manpage",
-		"nixos-rebuild",
 		"nixos-help",
-		"nixos-generate-config",
+		"nixos-install", "nixos-version",
-		"nixos-enter",
+		"nixos-manual-html", "nixos-rebuild",
-		"nixos-container",
+		"nixos-configuration-reference-manpage",
-		"nixos-build-vms",
+		"nixos-generate-config", "nixos-enter",
+		"nixos-container", "nixos-build-vms",
 		"nixos-wsl-version", "nixos-wsl-welcome-message", "nixos-wsl-welcome",
 		// trivial packages
 		"restic-gdrive", "gitea", "lock", "code",

pkgs/oizys/internal/ui/main.go

@@ -1,6 +1,7 @@
 package ui
 
 import (
+	"bufio"
 	"fmt"
 	"os"
 	"sort"
@@ -101,3 +102,26 @@ func (p *Packages) summary() {
 			Render(fmt.Sprint(len(p.names))),
 	)
 }
+
+// Confirm asks the user for confirmation.
+// valid inputs are: y/yes,n/no case insensitive.
+func Confirm(s string) bool {
+	reader := bufio.NewReader(os.Stdin)
+
+	for {
+		fmt.Printf("%s [y/n]: ", s)
+
+		response, err := reader.ReadString('\n')
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		response = strings.ToLower(strings.TrimSpace(response))
+		switch response {
+		case "y", "yes":
+			return true
+		case "n", "no":
+			return false
+		}
+	}
+}