setup notes for milestone 1

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2025-10-09 19:08:59 -04:00
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commit f7674cc2b0
2 changed files with 66 additions and 151 deletions

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# Complete Implementation Plan for Onyx Phase 1 # Complete Implementation Plan for Onyx Phase 1
## Milestone 1: Action Log and onx init
## Milestone 0: Foundation and Core Abstractions ### Action Log Implementation
### Project Structure Setup 13. **Create oplog binary format** (`internal/storage/oplog.go`)
```go
type OplogEntry struct {
ID uint64
ParentID uint64
Timestamp int64
Command string
StateBefore map[string]string
StateAfter map[string]string
}
```
6. **Create directory structure** 14. **Implement oplog writer** (`internal/storage/oplog_writer.go`)
``` - `OpenOplog(path string) (*OplogWriter, error)`
onyx/ - `AppendEntry(entry *OplogEntry) error`
├── cmd/ - Use binary encoding (gob or protobuf)
│ ├── onx/ # CLI entry point - Implement file locking for concurrent access
│ └── onxd/ # Daemon entry point
├── internal/
│ ├── core/ # Core abstractions
│ ├── git/ # Git interaction layer
│ ├── models/ # Data models
│ ├── storage/ # .onx directory management
│ ├── commands/ # CLI command implementations
│ ├── daemon/ # Daemon implementation
│ └── utils/ # Utilities
├── pkg/ # Public APIs (if needed)
├── test/ # Integration tests
├── docs/ # Documentation
└── scripts/ # Build/deployment scripts
```
7. **Set up dependency management** 15. **Implement oplog reader** (`internal/storage/oplog_reader.go`)
```bash - `ReadLastEntry() (*OplogEntry, error)`
go get github.com/go-git/go-git/v5@latest - `ReadEntry(id uint64) (*OplogEntry, error)`
go get github.com/spf13/cobra@latest - `GetUndoStack() ([]*OplogEntry, error)`
go get github.com/fsnotify/fsnotify@latest
```
8. **Create Makefile** 16. **Create transactional wrapper** (`internal/core/transaction.go`)
```makefile ```go
# Makefile func ExecuteWithTransaction(repo *Repository, cmd string,
.PHONY: build test clean install fn func() error) error {
// 1. Capture state_before
// 2. Create oplog entry
// 3. Execute fn()
// 4. Capture state_after
// 5. Finalize oplog entry
// 6. Handle rollback on error
}
```
build: ### onx init Command
go build -o bin/onx ./cmd/onx
go build -o bin/onxd ./cmd/onxd
test: 17. **Implement init command** (`internal/commands/init.go`)
go test -v ./... - Create .git directory (via go-git)
- Create .onx directory structure
- Initialize empty oplog file
- Create default workstreams.json
- Create workspace pointer file
- Add .onx to .gitignore
install: 18. **Create CLI structure** (`cmd/onx/main.go`)
go install ./cmd/onx ```go
go install ./cmd/onxd func main() {
rootCmd := &cobra.Command{
Use: "onx",
Short: "The iPhone of Version Control",
}
rootCmd.AddCommand(commands.InitCmd())
rootCmd.Execute()
}
```
clean: ### onx undo Command
rm -rf bin/
```
### Core Abstractions Implementation 19. **Implement undo logic** (`internal/commands/undo.go`)
- Read last oplog entry
- Restore all refs from state_before
- Update workspace pointer
- Mark entry as undone in oplog
- Perform git checkout to restore working directory
9. **Define core interfaces** (`internal/core/interfaces.go`) 20. **Add undo tests** (`internal/commands/undo_test.go`)
```go - Test undo after init
type Repository interface { - Test sequential undos
Init(path string) error - Test undo with nothing to undo
GetGitRepo() *git.Repository
GetOnyxMetadata() *OnyxMetadata
}
type GitBackend interface {
CreateCommit(tree, parent, message string) (string, error)
CreateTree(entries []TreeEntry) (string, error)
UpdateRef(name, sha string) error
GetRef(name string) (string, error)
}
```
10. **Implement Repository struct** (`internal/core/repository.go`)
- Fields: gitRepo (*git.Repository), onyxPath (string), gitPath (string)
- Methods: Open(), Close(), IsOnyxRepo()
- Error handling for missing .git or .onx directories
11. **Implement Git object operations** (`internal/git/objects.go`)
- `CreateBlob(content []byte) (string, error)`
- `CreateTree(entries []TreeEntry) (string, error)`
- `CreateCommit(tree, parent, message, author string) (string, error)`
- `GetObject(sha string) (Object, error)`
12. **Create data models** (`internal/models/`)
- `oplog.go`: OplogEntry struct with serialization
- `workstream.go`: Workstream, WorkstreamCommit structs
- `workspace.go`: WorkspaceState struct

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## Milestone 1: Action Log and onx init
### Action Log Implementation
13. **Create oplog binary format** (`internal/storage/oplog.go`)
```go
type OplogEntry struct {
ID uint64
ParentID uint64
Timestamp int64
Command string
StateBefore map[string]string
StateAfter map[string]string
}
```
14. **Implement oplog writer** (`internal/storage/oplog_writer.go`)
- `OpenOplog(path string) (*OplogWriter, error)`
- `AppendEntry(entry *OplogEntry) error`
- Use binary encoding (gob or protobuf)
- Implement file locking for concurrent access
15. **Implement oplog reader** (`internal/storage/oplog_reader.go`)
- `ReadLastEntry() (*OplogEntry, error)`
- `ReadEntry(id uint64) (*OplogEntry, error)`
- `GetUndoStack() ([]*OplogEntry, error)`
16. **Create transactional wrapper** (`internal/core/transaction.go`)
```go
func ExecuteWithTransaction(repo *Repository, cmd string,
fn func() error) error {
// 1. Capture state_before
// 2. Create oplog entry
// 3. Execute fn()
// 4. Capture state_after
// 5. Finalize oplog entry
// 6. Handle rollback on error
}
```
### onx init Command
17. **Implement init command** (`internal/commands/init.go`)
- Create .git directory (via go-git)
- Create .onx directory structure
- Initialize empty oplog file
- Create default workstreams.json
- Create workspace pointer file
- Add .onx to .gitignore
18. **Create CLI structure** (`cmd/onx/main.go`)
```go
func main() {
rootCmd := &cobra.Command{
Use: "onx",
Short: "The iPhone of Version Control",
}
rootCmd.AddCommand(commands.InitCmd())
rootCmd.Execute()
}
```
### onx undo Command
19. **Implement undo logic** (`internal/commands/undo.go`)
- Read last oplog entry
- Restore all refs from state_before
- Update workspace pointer
- Mark entry as undone in oplog
- Perform git checkout to restore working directory
20. **Add undo tests** (`internal/commands/undo_test.go`)
- Test undo after init
- Test sequential undos
- Test undo with nothing to undo
## Milestone 2: Transparent Versioning and onx save ## Milestone 2: Transparent Versioning and onx save
### Filesystem Daemon Implementation ### Filesystem Daemon Implementation