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dagger/plan/task/mkdir.go

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package task
import (
"context"
"io/fs"
"cuelang.org/go/cue"
"github.com/moby/buildkit/client/llb"
"go.dagger.io/dagger/compiler"
"go.dagger.io/dagger/plancontext"
"go.dagger.io/dagger/solver"
)
func init() {
Register("Mkdir", func() Task { return &mkdirTask{} })
}
type mkdirTask struct {
}
func (t *mkdirTask) Run(ctx context.Context, pctx *plancontext.Context, s *solver.Solver, v *compiler.Value) (*compiler.Value, error) {
path, err := v.Lookup("path").String()
if err != nil {
return nil, err
}
// Permissions (int)
permissions, err := v.Lookup("permissions").Int64()
if err != nil {
return nil, err
}
// Retrieve options
mkdirOpts := []llb.MkdirOption{}
var opts struct {
Parents bool
}
if err := v.Decode(&opts); err != nil {
return nil, err
}
if opts.Parents {
mkdirOpts = append(mkdirOpts, llb.WithParents(true))
}
// Retrieve input Filesystem
input, err := pctx.FS.FromValue(v.Lookup("input"))
if err != nil {
return nil, err
}
// Retrieve input llb state
inputState, err := input.State()
if err != nil {
return nil, err
}
// Add Mkdir operation on input llb state
outputState := inputState.File(
llb.Mkdir(path, fs.FileMode(permissions), mkdirOpts...),
withCustomName(v, "Mkdir %s", path),
)
// Compute state
result, err := s.Solve(ctx, outputState, pctx.Platform.Get())
if err != nil {
return nil, err
}
// Retrieve result result filesystem
outputFS := pctx.FS.New(result)
// Init output
output := compiler.NewValue()
if err := output.FillPath(cue.ParsePath("output"), outputFS.MarshalCUE()); err != nil {
return nil, err
}
return output, nil
}