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dagger/plan/task/copy.go
Joel Longtine a90ff8ab94 Allow for nil buildkit References
Signed-off-by: Joel Longtine <joel@dagger.io>
2021-12-21 12:10:48 -07:00

79 lines
1.5 KiB
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("Copy", func() Task { return &copyTask{} })
}
type copyTask struct {
}
func (t *copyTask) Run(ctx context.Context, pctx *plancontext.Context, s solver.Solver, v *compiler.Value) (*compiler.Value, error) {
var err error
input, err := pctx.FS.FromValue(v.Lookup("input"))
if err != nil {
return nil, err
}
inputState, err := input.State()
if err != nil {
return nil, err
}
sourceRoot, err := pctx.FS.FromValue(v.Lookup("source.root"))
if err != nil {
return nil, err
}
sourceState, err := sourceRoot.State()
if err != nil {
return nil, err
}
sourcePath, err := v.Lookup("source.path").String()
if err != nil {
return nil, err
}
destPath, err := v.Lookup("dest").String()
if err != nil {
return nil, err
}
outputState := inputState.File(
llb.Copy(
sourceState,
sourcePath,
destPath,
// FIXME: allow more configurable llb options
// For now we define the following convenience presets:
&llb.CopyInfo{
CopyDirContentsOnly: true,
CreateDestPath: true,
AllowWildcard: true,
},
),
withCustomName(v, "Copy %s %s", sourcePath, destPath),
)
result, err := s.Solve(ctx, outputState, pctx.Platform.Get())
if err != nil {
return nil, err
}
fs := pctx.FS.New(result)
return compiler.NewValue().FillFields(map[string]interface{}{
"output": fs.MarshalCUE(),
})
}