Files
harness-sync/internal/adapters/opencode/opencode.go
T

94 lines
2.5 KiB
Go

// Package opencode is the opencode harness adapter.
package opencode
import (
"os"
"path/filepath"
"github.com/lukaszraczylo/harness-sync/internal/adapter"
"github.com/lukaszraczylo/harness-sync/internal/adapter/common"
"github.com/lukaszraczylo/harness-sync/internal/canonical"
)
const name = "opencode"
// Adapter implements adapter.Adapter for the opencode harness.
type Adapter struct{ home string }
// Option configures an Adapter.
type Option func(*Adapter)
// WithHome overrides the home directory (defaults to os.UserHomeDir).
func WithHome(h string) Option { return func(a *Adapter) { a.home = h } }
// New returns a new Adapter with the given options applied.
func New(opts ...Option) *Adapter {
a := &Adapter{home: defaultHome()}
for _, o := range opts {
o(a)
}
return a
}
func defaultHome() string {
h, err := os.UserHomeDir()
if err != nil {
return ""
}
return h
}
// Name returns the harness identifier.
func (a *Adapter) Name() string { return name }
// Detect returns true when ~/.config/opencode exists.
func (a *Adapter) Detect() bool {
_, err := os.Stat(filepath.Join(a.home, ".config", "opencode"))
return err == nil
}
// Render produces the FileSet that applies the canonical bundle to opencode.
// opencode.jsonc is MERGED to preserve user-managed keys ($schema, agent,
// instructions, …). Correct keys: "provider" (singular, map), "model" (string),
// "mcp" (map with type: local|remote entries).
func (a *Adapter) Render(b *canonical.Bundle) (*adapter.FileSet, error) {
fs := adapter.NewFileSet()
base := filepath.Join(a.home, ".config", "opencode")
cfgPath := filepath.Join(base, "opencode.jsonc")
existing, _ := os.ReadFile(cfgPath)
overlay := map[string]any{
"provider": common.ProvidersAsMap(&b.Profile),
"model": common.KiloModelString(&b.Profile),
}
if mcp := common.BuildMCPMapStyled(&b.MCP, common.MCPOpencodeStyle); len(mcp) > 0 {
overlay["mcp"] = mcp
}
merged, err := common.MergeJSONKeys(existing, overlay)
if err != nil {
return nil, err
}
fs.Add(adapter.File{
Dest: cfgPath,
Kind: adapter.RenderedFile,
Content: merged,
})
instructions := b.Instructions.Global
if override, ok := b.Instructions.PerHarness[name]; ok && override != "" {
instructions = override
}
fs.Add(adapter.File{
Dest: filepath.Join(base, "AGENTS.md"),
Kind: adapter.RenderedFile,
Content: []byte(instructions),
})
return fs, nil
}
// Import reads opencode config from home and returns a canonical ImportResult.
func (a *Adapter) Import(home string) (*adapter.ImportResult, error) {
return importFrom(home)
}