Implement Milestone 4: Synchronization and Remote Interaction
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This milestone adds comprehensive remote synchronization and stacked-diff
publishing capabilities to Onyx.

## New Features

### Rebase Engine (internal/git/rebase.go)
- Stacked rebase with sequential commit rebasing
- Conflict detection and handling
- Integration with rerere for automatic conflict resolution
- Support for rebase continuation and abort operations

### Rerere Integration (internal/git/rerere.go)
- Conflict resolution recording and replay
- Cache location: .onx/rerere_cache
- Automatic application of previous conflict resolutions
- Normalized conflict pattern matching via SHA1 hashing

### Conflict Resolution UI (internal/git/conflicts.go)
- Index-based conflict detection (stage 1/2/3)
- Clear conflict presentation with file paths and hashes
- User-friendly resolution guidance
- Conflict marker extraction and analysis

### Remote Commands

#### onx sync (internal/commands/sync.go)
- Fetch latest changes from remote
- Rebase workstream stack onto updated base branch
- Automatic rerere conflict resolution
- Transaction-based with full undo support
- Progress reporting and clear error messages

#### onx push (internal/commands/push.go)
- Push all workstream branches to remote
- Support for force push operations
- Per-branch progress reporting
- Clear summary of pushed branches

### Remote Helpers (internal/git/remote.go)
- Remote validation and configuration
- Support for multiple remotes with origin default
- URL retrieval and remote existence checking

## Implementation Details

- All operations wrapped in oplog transactions for undo support
- Comprehensive error handling and user feedback
- Integration with existing workstream management
- CLI commands registered in cmd/onx/main.go

## Status

Milestone 4 is now complete. All core synchronization and remote
interaction features are implemented and tested.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
2025-10-14 22:35:43 -04:00
parent 44f1865af8
commit c5c2ee9516
10 changed files with 1201 additions and 101 deletions

168
internal/commands/push.go Normal file
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package commands
import (
"fmt"
"os"
"git.dws.rip/DWS/onyx/internal/core"
"git.dws.rip/DWS/onyx/internal/git"
gogit "github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/config"
"github.com/spf13/cobra"
)
// NewPushCmd creates the push command
func NewPushCmd() *cobra.Command {
var remoteName string
var force bool
cmd := &cobra.Command{
Use: "push",
Short: "Push the current workstream to the remote repository",
Long: `Push all branches in the current workstream to the remote repository.
This command will push each commit's branch reference to the remote,
allowing you to share your stacked diff workflow with others or create
pull requests for each commit in the stack.`,
RunE: func(cmd *cobra.Command, args []string) error {
return runPush(remoteName, force)
},
}
cmd.Flags().StringVarP(&remoteName, "remote", "r", "origin", "Remote to push to")
cmd.Flags().BoolVarP(&force, "force", "f", false, "Force push (use with caution)")
return cmd
}
// runPush executes the push command
func runPush(remoteName string, force bool) error {
// Get current directory
cwd, err := os.Getwd()
if err != nil {
return fmt.Errorf("failed to get current directory: %w", err)
}
// Check if this is an Onyx repository
if !core.IsOnyxRepo(cwd) {
return fmt.Errorf("not an Onyx repository. Run 'onx init' first")
}
// Open the repository
repo, err := core.Open(cwd)
if err != nil {
return fmt.Errorf("failed to open repository: %w", err)
}
defer repo.Close()
// Use ExecuteWithTransaction to capture state
err = core.ExecuteWithTransaction(repo, "push", "Pushed to remote", func() error {
return executePush(repo, remoteName, force)
})
if err != nil {
return err
}
fmt.Println("✓ Push completed successfully")
return nil
}
// executePush performs the actual push operation
func executePush(repo *core.OnyxRepository, remoteName string, force bool) error {
gitRepo := repo.GetGitRepo()
// 1. Validate remote exists
remoteHelper := git.NewRemoteHelper(gitRepo)
if err := remoteHelper.ValidateRemote(remoteName); err != nil {
return fmt.Errorf("remote validation failed: %w", err)
}
// 2. Get current workstream
wsManager := core.NewWorkstreamManager(repo)
currentWorkstream, err := wsManager.GetCurrentWorkstream()
if err != nil {
return fmt.Errorf("no active workstream: %w", err)
}
if currentWorkstream.IsEmpty() {
return fmt.Errorf("workstream has no commits to push")
}
// 3. Get the remote
remote, err := remoteHelper.GetRemote(remoteName)
if err != nil {
return fmt.Errorf("failed to get remote: %w", err)
}
// 4. Build list of refspecs to push (all branches in the workstream)
refspecs := []config.RefSpec{}
// Also push the base branch if it exists locally
baseBranch := currentWorkstream.BaseBranch
if baseBranch != "" {
// Check if base branch exists locally
gitBackend := git.NewGitBackend(gitRepo)
baseRef := fmt.Sprintf("refs/heads/%s", baseBranch)
if _, err := gitBackend.GetRef(baseRef); err == nil {
refSpec := config.RefSpec(fmt.Sprintf("refs/heads/%s:refs/heads/%s", baseBranch, baseBranch))
if force {
refSpec = config.RefSpec(fmt.Sprintf("+refs/heads/%s:refs/heads/%s", baseBranch, baseBranch))
}
refspecs = append(refspecs, refSpec)
}
}
// Push each commit's branch ref
for i, commit := range currentWorkstream.Commits {
branchRef := commit.BranchRef
if branchRef == "" {
continue
}
// Extract branch name from ref (e.g., refs/onyx/workstreams/foo/commit-1 -> foo/commit-1)
// We'll push to refs/heads/onyx/workstreams/[workstream]/commit-[n]
remoteBranch := fmt.Sprintf("onyx/workstreams/%s/commit-%d", currentWorkstream.Name, i+1)
refSpec := config.RefSpec(fmt.Sprintf("%s:refs/heads/%s", branchRef, remoteBranch))
if force {
refSpec = config.RefSpec(fmt.Sprintf("+%s:refs/heads/%s", branchRef, remoteBranch))
}
refspecs = append(refspecs, refSpec)
}
if len(refspecs) == 0 {
return fmt.Errorf("no branches to push")
}
// 5. Push to remote
fmt.Printf("Pushing %d branch(es) to %s...\n", len(refspecs), remoteName)
err = remote.Push(&gogit.PushOptions{
RefSpecs: refspecs,
Progress: os.Stdout,
})
if err != nil {
if err == gogit.NoErrAlreadyUpToDate {
fmt.Println("Already up to date")
return nil
}
return fmt.Errorf("failed to push: %w", err)
}
fmt.Printf("✓ Pushed %d branch(es) successfully\n", len(refspecs))
// 6. Print summary of pushed branches
fmt.Println("\nPushed branches:")
if baseBranch != "" {
fmt.Printf(" - %s (base branch)\n", baseBranch)
}
for i, commit := range currentWorkstream.Commits {
remoteBranch := fmt.Sprintf("onyx/workstreams/%s/commit-%d", currentWorkstream.Name, i+1)
fmt.Printf(" - %s: %s\n", remoteBranch, commit.Message)
}
return nil
}

207
internal/commands/sync.go Normal file
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package commands
import (
"fmt"
"os"
"path/filepath"
"git.dws.rip/DWS/onyx/internal/core"
"git.dws.rip/DWS/onyx/internal/git"
"git.dws.rip/DWS/onyx/internal/models"
"git.dws.rip/DWS/onyx/internal/storage"
gogit "github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/config"
"github.com/spf13/cobra"
)
// NewSyncCmd creates the sync command
func NewSyncCmd() *cobra.Command {
var remoteName string
cmd := &cobra.Command{
Use: "sync",
Short: "Sync the current workstream with the remote base branch",
Long: `Synchronize the current workstream with the remote base branch.
This command will:
1. Fetch the latest changes from the remote
2. Rebase the workstream commits onto the updated base branch
3. Use rerere to automatically resolve known conflicts
4. Update all branch references in the workstream
If conflicts occur during the rebase, you will need to resolve them manually
and then continue the sync operation.`,
RunE: func(cmd *cobra.Command, args []string) error {
return runSync(remoteName)
},
}
cmd.Flags().StringVarP(&remoteName, "remote", "r", "origin", "Remote to sync with")
return cmd
}
// runSync executes the sync command
func runSync(remoteName string) error {
// Get current directory
cwd, err := os.Getwd()
if err != nil {
return fmt.Errorf("failed to get current directory: %w", err)
}
// Check if this is an Onyx repository
if !core.IsOnyxRepo(cwd) {
return fmt.Errorf("not an Onyx repository. Run 'onx init' first")
}
// Open the repository
repo, err := core.Open(cwd)
if err != nil {
return fmt.Errorf("failed to open repository: %w", err)
}
defer repo.Close()
// Use ExecuteWithTransaction to capture state
err = core.ExecuteWithTransaction(repo, "sync", "Synced with remote", func() error {
return executeSync(repo, cwd, remoteName)
})
if err != nil {
return err
}
fmt.Println("✓ Sync completed successfully")
return nil
}
// executeSync performs the actual sync operation
func executeSync(repo *core.OnyxRepository, repoPath, remoteName string) error {
gitRepo := repo.GetGitRepo()
onyxPath := repo.GetOnyxPath()
// 1. Validate remote exists
remoteHelper := git.NewRemoteHelper(gitRepo)
if err := remoteHelper.ValidateRemote(remoteName); err != nil {
return fmt.Errorf("remote validation failed: %w", err)
}
// 2. Get current workstream
wsManager := core.NewWorkstreamManager(repo)
currentWorkstream, err := wsManager.GetCurrentWorkstream()
if err != nil {
return fmt.Errorf("no active workstream: %w", err)
}
if currentWorkstream.IsEmpty() {
return fmt.Errorf("workstream has no commits to sync")
}
// 3. Fetch from remote
fmt.Printf("Fetching from %s...\n", remoteName)
remote, err := remoteHelper.GetRemote(remoteName)
if err != nil {
return fmt.Errorf("failed to get remote: %w", err)
}
err = remote.Fetch(&gogit.FetchOptions{
RefSpecs: []config.RefSpec{
config.RefSpec(fmt.Sprintf("+refs/heads/%s:refs/remotes/%s/%s",
currentWorkstream.BaseBranch, remoteName, currentWorkstream.BaseBranch)),
},
Progress: os.Stdout,
})
if err != nil && err != gogit.NoErrAlreadyUpToDate {
return fmt.Errorf("failed to fetch: %w", err)
}
if err == gogit.NoErrAlreadyUpToDate {
fmt.Println("Already up to date")
}
// 4. Get the updated base branch HEAD
gitBackend := git.NewGitBackend(gitRepo)
remoteRef := fmt.Sprintf("refs/remotes/%s/%s", remoteName, currentWorkstream.BaseBranch)
newBaseSHA, err := gitBackend.GetRef(remoteRef)
if err != nil {
return fmt.Errorf("failed to get remote base branch: %w", err)
}
// 5. Build the commit stack from the workstream
stack := []string{}
for _, commit := range currentWorkstream.Commits {
stack = append(stack, commit.SHA)
}
// 6. Create rebase engine with rerere support
rebaseEngine := git.NewRebaseEngine(gitRepo, onyxPath, repoPath)
fmt.Printf("Rebasing %d commit(s) onto %s...\n", len(stack), newBaseSHA[:8])
// 7. Perform the rebase
result, err := rebaseEngine.RebaseStack(stack, newBaseSHA)
if err != nil {
return fmt.Errorf("rebase failed: %w", err)
}
// 8. Handle rebase result
if !result.Success {
if len(result.ConflictingFiles) > 0 {
// Present conflicts to user
conflictResolver := rebaseEngine.GetConflictResolver()
conflictMsg := conflictResolver.PresentConflicts(result.ConflictingFiles)
fmt.Println(conflictMsg)
return fmt.Errorf("sync paused due to conflicts")
}
return fmt.Errorf("rebase failed: %s", result.Message)
}
// 9. Update workstream commits with new SHAs
if err := updateWorkstreamCommits(repo, currentWorkstream, result.RebasedCommits); err != nil {
return fmt.Errorf("failed to update workstream: %w", err)
}
// 10. Update the base commit metadata
currentWorkstream.Metadata["base_commit"] = newBaseSHA
wsCollection, err := storage.LoadWorkstreams(filepath.Join(onyxPath, "workstreams.json"))
if err != nil {
return fmt.Errorf("failed to load workstreams: %w", err)
}
if err := storage.SaveWorkstreams(filepath.Join(onyxPath, "workstreams.json"), wsCollection); err != nil {
return fmt.Errorf("failed to save workstreams: %w", err)
}
fmt.Printf("✓ Rebased %d commit(s) successfully\n", len(result.RebasedCommits))
return nil
}
// updateWorkstreamCommits updates the workstream with new rebased commit SHAs
func updateWorkstreamCommits(repo *core.OnyxRepository, ws *models.Workstream, newSHAs []string) error {
if len(ws.Commits) != len(newSHAs) {
return fmt.Errorf("mismatch between old and new commit counts")
}
gitBackend := git.NewGitBackend(repo.GetGitRepo())
// Update each commit SHA and its branch ref
for i := range ws.Commits {
oldSHA := ws.Commits[i].SHA
newSHA := newSHAs[i]
// Update the commit SHA
ws.Commits[i].SHA = newSHA
// Update the branch ref to point to the new commit
branchRef := ws.Commits[i].BranchRef
if branchRef != "" {
if err := gitBackend.UpdateRef(branchRef, newSHA); err != nil {
return fmt.Errorf("failed to update ref %s: %w", branchRef, err)
}
}
fmt.Printf(" %s -> %s\n", oldSHA[:8], newSHA[:8])
}
return nil
}