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knotserver: use local clones if repo is hosted on the same knot #850

merged

opened by

oppi.li 1 week ago targeting master from op/mozkrnmzvkru

detect the host to clone from and use a local clone if possible.

Signed-off-by: oppiliappan me@oppi.li

options

unified split

Changed files

+39 -3

knotserver

git

fork.go

xrpc

create_repo.go

+38 -2

knotserver/git/fork.go

···

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       import (

     

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       	"errors"

     

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       	"fmt"

     

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       	"log/slog"

     

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       	"net/url"

     

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       	"os/exec"

     

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       	"path/filepath"

     

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       	"github.com/go-git/go-git/v5"

     

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       	"github.com/go-git/go-git/v5/config"

     

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       	knotconfig "tangled.org/core/knotserver/config"

     

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       )

     

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       -
       func Fork(repoPath, source string) error {

     

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       	cloneCmd := exec.Command("git", "clone", "--bare", source, repoPath)

     

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       func Fork(repoPath, source string, cfg *knotconfig.Config) error {

     

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       	u, err := url.Parse(source)

     

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       	if err != nil {

     

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       		return fmt.Errorf("failed to parse source URL: %w", err)

     

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       	}

     

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       	if o := optimizeClone(u, cfg); o != nil {

     

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       		u = o

     

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       	}

     

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       	cloneCmd := exec.Command("git", "clone", "--bare", u.String(), repoPath)

     

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       	if err := cloneCmd.Run(); err != nil {

     

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       		return fmt.Errorf("failed to bare clone repository: %w", err)

     

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       	}

     
···

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       	return nil

     

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       }

     

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       func optimizeClone(u *url.URL, cfg *knotconfig.Config) *url.URL {

     

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       	// only optimize if it's the same host

     

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       	if u.Host != cfg.Server.Hostname {

     

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       		return nil

     

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       	}

     

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       	local := filepath.Join(cfg.Repo.ScanPath, u.Path)

     

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       	// sanity check: is there a git repo there?

     

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       	if _, err := PlainOpen(local); err != nil {

     

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       		return nil

     

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       	}

     

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       	// create optimized file:// URL

     

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       	optimized := &url.URL{

     

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       		Scheme: "file",

     

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       		Path:   local,

     

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       	}

     

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       	slog.Debug("performing local clone", "url", optimized.String())

     

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       	return optimized

     

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       }

     

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       +
       

     

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       func (g *GitRepo) Sync() error {

     

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       	branch := g.h.String()

     

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+1 -1

knotserver/xrpc/create_repo.go

···

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       	repoPath, _ := securejoin.SecureJoin(h.Config.Repo.ScanPath, relativeRepoPath)

     

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       	if data.Source != nil && *data.Source != "" {

     

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       		err = git.Fork(repoPath, *data.Source)

     

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       		err = git.Fork(repoPath, *data.Source, h.Config)

     

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       		if err != nil {

     

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       			l.Error("forking repo", "error", err.Error())

     

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       			writeError(w, xrpcerr.GenericError(err), http.StatusInternalServerError)