forked from mirrors/gomod2nix
93 lines
2.1 KiB
Go
93 lines
2.1 KiB
Go
package cmd
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import (
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"fmt"
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"os"
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"path/filepath"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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generate "github.com/tweag/gomod2nix/generate"
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schema "github.com/tweag/gomod2nix/schema"
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)
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var (
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flagDirectory string
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flagOutDir string
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flagMaxJobs int
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)
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var rootCmd = &cobra.Command{
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Use: "gomod2nix",
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Short: "Convert applications using Go modules -> Nix",
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Run: func(cmd *cobra.Command, args []string) {
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err := generateInternal(flagDirectory, flagOutDir, flagMaxJobs)
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if err != nil {
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panic(err)
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}
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},
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}
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var generateCmd = &cobra.Command{
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Use: "generate",
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Short: "Run gomod2nix.toml generator",
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Run: func(cmd *cobra.Command, args []string) {
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err := generateInternal(flagDirectory, flagOutDir, flagMaxJobs)
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if err != nil {
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panic(err)
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}
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},
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}
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var importCmd = &cobra.Command{
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Use: "import",
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Short: "Import Go sources into the Nix store",
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Run: func(cmd *cobra.Command, args []string) {
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err := generate.ImportPkgs(flagDirectory, flagMaxJobs)
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if err != nil {
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panic(err)
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}
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},
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}
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func init() {
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rootCmd.PersistentFlags().StringVar(&flagDirectory, "dir", "", "Go project directory")
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rootCmd.PersistentFlags().StringVar(&flagOutDir, "outdir", "", "Output directory (defaults to project directory)")
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rootCmd.PersistentFlags().IntVar(&flagMaxJobs, "jobs", 10, "Max number of concurrent jobs")
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rootCmd.AddCommand(generateCmd)
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rootCmd.AddCommand(importCmd)
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}
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func Execute() {
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err := rootCmd.Execute()
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if err != nil {
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os.Exit(1)
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}
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}
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func generateInternal(directory string, outDir string, maxJobs int) error {
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if outDir == "" {
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outDir = directory
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}
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goMod2NixPath := filepath.Join(outDir, "gomod2nix.toml")
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outFile := goMod2NixPath
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pkgs, err := generate.GeneratePkgs(directory, goMod2NixPath, maxJobs)
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if err != nil {
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return fmt.Errorf("error generating pkgs: %v", err)
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}
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output, err := schema.Marshal(pkgs)
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if err != nil {
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return fmt.Errorf("error marshaling output: %v", err)
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}
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err = os.WriteFile(outFile, output, 0644)
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if err != nil {
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return fmt.Errorf("error writing file: %v", err)
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}
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log.Info(fmt.Sprintf("Wrote: %s", outFile))
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return nil
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}
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