oizys-go because why not

lib/default.nix

@@ -35,7 +35,8 @@ in rec {
       oizys-zig = pkgs.callPackage ../pkgs/oizys/oizys-zig {zig2nix = inputs.zig2nix;};
       oizys-nim = pkgs.callPackage ../pkgs/oizys/oizys-nim {};
       oizys-rs = pkgs.callPackage ../pkgs/oizys/oizys-rs {};
-      default = oizys-zig;
+      oizys-go = pkgs.callPackage ../pkgs/oizys/oizys-go {};
+      default = oizys-go;
     }
   );
   devShells = forAllSystems (

modules/networking/vpn.nix

@@ -16,5 +16,5 @@ mkOizysModule config "vpn" {
       autoStart = false;
       updateResolvConf = true;
     };
-};
+  };
 }

pkgs/oizys/oizys-go/cmd/root.go

@@ -0,0 +1,134 @@
+package cmd
+
+import (
+	"errors"
+	"fmt"
+	"io/fs"
+	"log"
+	"os"
+
+	cc "github.com/ivanpirog/coloredcobra"
+	"github.com/spf13/cobra"
+	"oizys/pkg/oizys"
+)
+
+func setFlake() {
+	if flake == "" {
+		oizysDir, ok := os.LookupEnv("OIZYS_DIR")
+		if !ok {
+			home := os.Getenv("HOME")
+			flake = fmt.Sprintf("%s/%s", home, "oizys")
+		} else {
+			flake = oizysDir
+		}
+	}
+
+	if _, err := os.Stat(flake); errors.Is(err, fs.ErrNotExist) {
+		log.Fatalln("path to flake:", flake, "does not exist")
+	}
+}
+
+func setHost() {
+	if host == "" {
+		hostname, err := os.Hostname()
+		if err != nil {
+			log.Fatal(err)
+		}
+		host = hostname
+	}
+}
+
+func Execute() {
+	cc.Init(&cc.Config{
+		RootCmd:         rootCmd,
+		Headings:        cc.HiCyan + cc.Bold,
+		Commands:        cc.HiYellow + cc.Bold,
+		Example:         cc.Italic,
+		ExecName:        cc.Bold,
+		Flags:           cc.Bold,
+		NoExtraNewlines: true,
+		NoBottomNewline: true,
+	})
+	err := rootCmd.Execute()
+	if err != nil {
+		os.Exit(1)
+	}
+}
+
+var (
+	flake     string
+	host      string
+	cacheName string
+)
+
+var rootCmd = &cobra.Command{
+	Use:   "oizys",
+	Short: "nix begat oizys",
+	PersistentPreRun: func(cmd *cobra.Command, args []string) {
+		setFlake()
+		setHost()
+	},
+}
+
+var dryCmd = &cobra.Command{
+	Use:   "dry",
+	Short: "poor man's nix flake check",
+	Run: func(cmd *cobra.Command, args []string) {
+		oizys.NixDryRun(oizys.Output(flake, host))
+	},
+}
+
+var outputCmd = &cobra.Command{
+	Use:   "output",
+	Short: "show nixosConfiguration attr",
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Print(oizys.Output(flake, host))
+	},
+}
+
+var bootCmd = &cobra.Command{
+	Use:   "boot",
+	Short: "nixos rebuild boot",
+	Run: func(cmd *cobra.Command, args []string) {
+		oizys.NixosRebuild("boot", flake)
+	},
+}
+
+var switchCmd = &cobra.Command{
+	Use:   "switch",
+	Short: "nixos rebuild switch",
+	Run: func(cmd *cobra.Command, args []string) {
+		oizys.NixosRebuild("switch", flake, args...)
+	},
+}
+
+var cacheCmd = &cobra.Command{
+	Use:   "cache",
+	Short: "build and push to cachix",
+	Run: func(cmd *cobra.Command, args []string) {
+    oizys.CacheBuild(oizys.Output(flake, host), cacheName, args...)
+	},
+}
+
+var buildCmd = &cobra.Command{
+	Use:   "build",
+	Short: "A brief description of your command",
+	Run: func(cmd *cobra.Command, args []string) {
+		oizys.NixBuild(oizys.Output(flake, host), args...)
+	},
+}
+
+
+
+func init() {
+	rootCmd.CompletionOptions.HiddenDefaultCmd = true
+	rootCmd.PersistentFlags().StringVar(&flake, "flake", "", "path to flake ($OIZYS_DIR or $HOME/oizys)")
+	rootCmd.PersistentFlags().StringVar(&host, "host", "", "host to build (current host)")
+	rootCmd.AddCommand(dryCmd)
+	rootCmd.AddCommand(outputCmd)
+	rootCmd.AddCommand(bootCmd)
+	rootCmd.AddCommand(buildCmd)
+	rootCmd.AddCommand(switchCmd)
+	rootCmd.AddCommand(cacheCmd)
+	cacheCmd.Flags().StringVarP(&cacheName, "cache", "c", "daylin", "name of cachix binary cache")
+}

pkgs/oizys/oizys-go/default.nix

@@ -0,0 +1,11 @@
+{
+  buildGoModule,
+  lib,
+}:
+buildGoModule {
+  pname = "oizys";
+  version = "unstable";
+
+  src = lib.cleanSource ./.;
+  vendorHash = "sha256-kh/7dV49KaQcD9ho8IpBcRc6+05bn4XpMzAI9JXu7+o=";
+}

pkgs/oizys/oizys-go/go.mod

@@ -0,0 +1,33 @@
+module oizys
+
+go 1.22.2
+
+require (
+	github.com/charmbracelet/bubbles v0.18.0
+	github.com/charmbracelet/bubbletea v0.26.1
+	github.com/charmbracelet/lipgloss v0.10.0
+	github.com/ivanpirog/coloredcobra v1.0.1
+	github.com/spf13/cobra v1.8.0
+	golang.org/x/term v0.19.0
+)
+
+require (
+	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
+	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
+	github.com/fatih/color v1.16.0 // 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
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-localereader v0.0.1 // indirect
+	github.com/mattn/go-runewidth v0.0.15 // indirect
+	github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
+	github.com/muesli/cancelreader v0.2.2 // indirect
+	github.com/muesli/reflow v0.3.0 // indirect
+	github.com/muesli/termenv v0.15.2 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	golang.org/x/sync v0.7.0 // indirect
+	golang.org/x/sys v0.19.0 // indirect
+	golang.org/x/text v0.3.8 // indirect
+)

pkgs/oizys/oizys-go/go.sum

@@ -0,0 +1,70 @@
+github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
+github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
+github.com/charmbracelet/bubbles v0.18.0 h1:PYv1A036luoBGroX6VWjQIE9Syf2Wby2oOl/39KLfy0=
+github.com/charmbracelet/bubbles v0.18.0/go.mod h1:08qhZhtIwzgrtBjAcJnij1t1H0ZRjwHyGsy6AL11PSw=
+github.com/charmbracelet/bubbletea v0.26.1 h1:xujcQeF73rh4jwu3+zhfQsvV18x+7zIjlw7/CYbzGJ0=
+github.com/charmbracelet/bubbletea v0.26.1/go.mod h1:FzKr7sKoO8iFVcdIBM9J0sJOcQv5nDQaYwsee3kpbgo=
+github.com/charmbracelet/lipgloss v0.10.0 h1:KWeXFSexGcfahHX+54URiZGkBFazf70JNMtwg/AFW3s=
+github.com/charmbracelet/lipgloss v0.10.0/go.mod h1:Wig9DSfvANsxqkRsqj6x87irdy123SR4dOXlKa91ciE=
+github.com/cpuguy83/go-md2man/v2 v2.0.1/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f h1:Y/CXytFA4m6baUTXGLOoWe4PQhGxaX0KpnayAqC48p4=
+github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f/go.mod h1:vw97MGsxSvLiUE2X8qFplwetxpGLQrlU1Q9AUEIzCaM=
+github.com/fatih/color v1.13.0/go.mod h1:kLAiJbzzSOZDVNGyDpeOxJ47H46qBXwg5ILebYFFOfk=
+github.com/fatih/color v1.16.0 h1:zmkK9Ngbjj+K0yRhTVONQh1p/HknKYSlNT+vZCzyokM=
+github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4NijnWvE=
+github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
+github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
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+github.com/ivanpirog/coloredcobra v1.0.1 h1:aURSdEmlR90/tSiWS0dMjdwOvCVUeYLfltLfbgNxrN4=
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+github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
+github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
+github.com/mattn/go-colorable v0.1.9/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
+github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
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+github.com/mattn/go-localereader v0.0.1 h1:ygSAOl7ZXTx4RdPYinUpg6W99U8jWvWi9Ye2JC/oIi4=
+github.com/mattn/go-localereader v0.0.1/go.mod h1:8fBrzywKY7BI3czFoHkuzRoWE9C+EiG4R1k4Cjx5p88=
+github.com/mattn/go-runewidth v0.0.12/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
+github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U=
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+github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 h1:ZK8zHtRHOkbHy6Mmr5D264iyp3TiX5OmNcI5cIARiQI=
+github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6/go.mod h1:CJlz5H+gyd6CUWT45Oy4q24RdLyn7Md9Vj2/ldJBSIo=
+github.com/muesli/cancelreader v0.2.2 h1:3I4Kt4BQjOR54NavqnDogx/MIoWBFa0StPA8ELUXHmA=
+github.com/muesli/cancelreader v0.2.2/go.mod h1:3XuTXfFS2VjM+HTLZY9Ak0l6eUKfijIfMUZ4EgX0QYo=
+github.com/muesli/reflow v0.3.0 h1:IFsN6K9NfGtjeggFP+68I4chLZV2yIKsXJFNZ+eWh6s=
+github.com/muesli/reflow v0.3.0/go.mod h1:pbwTDkVPibjO2kyvBQRBxTWEEGDGq0FlB1BIKtnHY/8=
+github.com/muesli/termenv v0.15.2 h1:GohcuySI0QmI3wN8Ok9PtKGkgkFIk7y6Vpb5PvrY+Wo=
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+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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pkgs/oizys/oizys-go/main.go

@@ -0,0 +1,7 @@
+package main
+
+import "oizys/cmd"
+
+func main() {
+	cmd.Execute()
+}

pkgs/oizys/oizys-go/pkg/oizys/oizys.go

@@ -0,0 +1,113 @@
+package oizys
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"strings"
+
+	"github.com/charmbracelet/bubbles/table"
+	"github.com/muesli/termenv"
+	"golang.org/x/term"
+)
+
+func TerminalSize() (int, int) {
+	fd := os.Stdout.Fd()
+	if !term.IsTerminal(int(fd)) {
+		log.Fatal("failed to get terminal size")
+	}
+	w, h, err := term.GetSize(int(fd))
+	if err != nil {
+		log.Fatal(err)
+	}
+	return w, h
+}
+
+func ParseDryRunOutput(nixOutput string) {
+	output := termenv.NewOutput(os.Stdout)
+	parts := strings.Split(nixOutput, "\nthese")
+  if len(parts) != 3 {
+    log.Println("no changes...")
+    return
+  }
+	built := strings.Split(strings.TrimSpace(parts[1]), "\n")[1:]
+	fetched := strings.Split(strings.TrimSpace(parts[2]), "\n")[1:]
+
+	fmt.Println("Packages to build:",
+		output.String(fmt.Sprint(len(built))).Bold().Foreground(output.Color("6")),
+	)
+	var rows []table.Row
+	for _, pkg := range built {
+		s := strings.SplitN(pkg, "-", 2)
+		hash, name := strings.Replace(s[0], "/nix/store/", "", 1), s[1]
+		rows = append(rows, table.Row{hash, name})
+	}
+
+	fmt.Println("Packages to fetch:",
+		output.String(fmt.Sprint(len(fetched))).Bold().Foreground(output.Color("6")),
+	)
+	for _, pkg := range fetched {
+		s := strings.SplitN(pkg, "-", 2)
+		hash, name := strings.Replace(s[0], "/nix/store/", "", 1), s[1]
+		rows = append(rows, table.Row{hash, name})
+	}
+
+	w, _ := TerminalSize()
+	columns := []table.Column{
+		{Title: "hash", Width: 34},
+		{Title: "pkg", Width: int(w / 4)},
+	}
+	ShowTable(columns, rows)
+}
+
+func NixDryRun(path string) {
+	cmd := exec.Command("nix", "build", path, "--dry-run")
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		log.Fatal(err)
+	}
+	ParseDryRunOutput(string(output))
+}
+
+func NixosRebuild(subcmd string, flake string, rest ...string) {
+	args := []string{subcmd, "--flake"}
+	args = append(args, rest...)
+	cmd := exec.Command("nixos-rebuild", args...)
+	runCommand(cmd)
+}
+
+func runCommand(cmd *exec.Cmd) {
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	if err := cmd.Run(); err != nil {
+		log.Fatal(err)
+	}
+}
+
+func NixBuild(path string, rest ...string) {
+	args := []string{"build", path}
+	args = append(args, rest...)
+	fmt.Println(args)
+	cmd := exec.Command("nix", args...)
+	runCommand(cmd)
+}
+
+func CacheBuild(path string, cache string, rest ...string) {
+	args := []string{
+		"watch-exec", cache, "--", "nix",
+		"build", path, "--print-build-logs",
+		"--accept-flake-config",
+	}
+	args = append(args, rest...)
+	cmd := exec.Command("cachix", args...)
+	runCommand(cmd)
+}
+
+func Output(flake string, host string) string {
+	return fmt.Sprintf(
+		"%s#nixosConfigurations.%s.config.system.build.toplevel",
+		flake,
+		host,
+	)
+}

pkgs/oizys/oizys-go/pkg/oizys/table.go

@@ -0,0 +1,75 @@
+package oizys
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/charmbracelet/bubbles/table"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+)
+
+var baseStyle = lipgloss.NewStyle().
+	BorderStyle(lipgloss.NormalBorder()).
+	BorderForeground(lipgloss.Color("240"))
+
+type model struct {
+	table table.Model
+}
+
+func (m model) Init() tea.Cmd { return nil }
+
+func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	var cmd tea.Cmd
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		switch msg.String() {
+		case "esc":
+			if m.table.Focused() {
+				m.table.Blur()
+			} else {
+				m.table.Focus()
+			}
+		case "q", "ctrl+c":
+			return m, tea.Quit
+		case "enter":
+			return m, tea.Batch(
+				tea.Printf("Let's go to %s!", m.table.SelectedRow()[1]),
+			)
+		}
+	}
+	m.table, cmd = m.table.Update(msg)
+	return m, cmd
+}
+
+func (m model) View() string {
+	return baseStyle.Render(m.table.View()) + "\n"
+}
+
+func ShowTable(columns []table.Column, rows []table.Row) {
+
+	t := table.New(
+		table.WithColumns(columns),
+		table.WithRows(rows),
+		table.WithFocused(true),
+		table.WithHeight(15),
+	)
+
+	s := table.DefaultStyles()
+	s.Header = s.Header.
+		BorderStyle(lipgloss.NormalBorder()).
+		BorderForeground(lipgloss.Color("240")).
+		BorderBottom(true).
+		Bold(false)
+	s.Selected = s.Selected.
+		Foreground(lipgloss.Color("229")).
+		Background(lipgloss.Color("57")).
+		Bold(false)
+	t.SetStyles(s)
+
+	m := model{t}
+	if _, err := tea.NewProgram(m).Run(); err != nil {
+		fmt.Println("Error running program:", err)
+		os.Exit(1)
+	}
+}