Borg/cmd/collect_github_repo.go

126 lines
3.6 KiB
Go

package cmd
import (
"fmt"
"io"
"os"
"github.com/Snider/Borg/pkg/compress"
"github.com/Snider/Borg/pkg/tim"
"github.com/Snider/Borg/pkg/trix"
"github.com/Snider/Borg/pkg/ui"
"github.com/Snider/Borg/pkg/vcs"
"github.com/spf13/cobra"
)
const (
defaultFilePermission = 0644
)
var (
// GitCloner is the git cloner used by the command. It can be replaced for testing.
GitCloner = vcs.NewGitCloner()
)
// NewCollectGithubRepoCmd creates a new cobra command for collecting a single git repository.
func NewCollectGithubRepoCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "repo [repository-url]",
Short: "Collect a single Git repository",
Long: `Collect a single Git repository and store it in a DataNode.`,
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
repoURL := args[0]
outputFile, _ := cmd.Flags().GetString("output")
format, _ := cmd.Flags().GetString("format")
compression, _ := cmd.Flags().GetString("compression")
password, _ := cmd.Flags().GetString("password")
if format != "datanode" && format != "tim" && format != "trix" && format != "stim" {
return fmt.Errorf("invalid format: %s (must be 'datanode', 'tim', 'trix', or 'stim')", format)
}
if compression != "none" && compression != "gz" && compression != "xz" {
return fmt.Errorf("invalid compression: %s (must be 'none', 'gz', or 'xz')", compression)
}
prompter := ui.NewNonInteractivePrompter(ui.GetVCSQuote)
prompter.Start()
defer prompter.Stop()
var progressWriter io.Writer
if prompter.IsInteractive() {
bar := ui.NewProgressBar(-1, "Cloning repository")
progressWriter = ui.NewProgressWriter(bar)
}
dn, err := GitCloner.CloneGitRepository(repoURL, progressWriter)
if err != nil {
return fmt.Errorf("error cloning repository: %w", err)
}
var data []byte
if format == "tim" {
t, err := tim.FromDataNode(dn)
if err != nil {
return fmt.Errorf("error creating tim: %w", err)
}
data, err = t.ToTar()
if err != nil {
return fmt.Errorf("error serializing tim: %w", err)
}
} else if format == "stim" {
if password == "" {
return fmt.Errorf("password required for stim format")
}
t, err := tim.FromDataNode(dn)
if err != nil {
return fmt.Errorf("error creating tim: %w", err)
}
data, err = t.ToSigil(password)
if err != nil {
return fmt.Errorf("error encrypting stim: %w", err)
}
} else if format == "trix" {
data, err = trix.ToTrix(dn, password)
if err != nil {
return fmt.Errorf("error serializing trix: %w", err)
}
} else {
data, err = dn.ToTar()
if err != nil {
return fmt.Errorf("error serializing DataNode: %w", err)
}
}
compressedData, err := compress.Compress(data, compression)
if err != nil {
return fmt.Errorf("error compressing data: %w", err)
}
if outputFile == "" {
outputFile = "repo." + format
if compression != "none" {
outputFile += "." + compression
}
}
err = os.WriteFile(outputFile, compressedData, defaultFilePermission)
if err != nil {
return fmt.Errorf("error writing DataNode to file: %w", err)
}
fmt.Fprintln(cmd.OutOrStdout(), "Repository saved to", outputFile)
return nil
},
}
cmd.Flags().String("output", "", "Output file for the DataNode")
cmd.Flags().String("format", "datanode", "Output format (datanode, tim, trix, or stim)")
cmd.Flags().String("compression", "none", "Compression format (none, gz, or xz)")
cmd.Flags().String("password", "", "Password for encryption (required for trix/stim)")
return cmd
}
func init() {
collectGithubCmd.AddCommand(NewCollectGithubRepoCmd())
}