49 lines
976 B
Go
49 lines
976 B
Go
|
package task
|
||
|
|
||
|
import (
|
||
|
"context"
|
||
|
|
||
|
"github.com/moby/buildkit/client/llb"
|
||
|
"go.dagger.io/dagger/compiler"
|
||
|
"go.dagger.io/dagger/plancontext"
|
||
|
"go.dagger.io/dagger/solver"
|
||
|
)
|
||
|
|
||
|
func init() {
|
||
|
Register("Diff", func() Task { return &diffTask{} })
|
||
|
}
|
||
|
|
||
|
type diffTask struct {
|
||
|
}
|
||
|
|
||
|
func (t diffTask) Run(ctx context.Context, pctx *plancontext.Context, s solver.Solver, v *compiler.Value) (*compiler.Value, error) {
|
||
|
lowerFS, err := pctx.FS.FromValue(v.Lookup("lower"))
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
lower, err := lowerFS.State()
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
|
||
|
upperFS, err := pctx.FS.FromValue(v.Lookup("upper"))
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
upper, err := upperFS.State()
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
|
||
|
st := llb.Diff(lower, upper)
|
||
|
result, err := s.Solve(ctx, st, pctx.Platform.Get())
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
|
||
|
fs := pctx.FS.New(result)
|
||
|
return compiler.NewValue().FillFields(map[string]interface{}{
|
||
|
"output": fs.MarshalCUE(),
|
||
|
})
|
||
|
}
|