78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
package task
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import (
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"context"
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"cuelang.org/go/cue"
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"github.com/moby/buildkit/client/llb"
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"go.dagger.io/dagger/compiler"
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"go.dagger.io/dagger/plancontext"
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"go.dagger.io/dagger/solver"
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)
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func init() {
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Register("Import", func() Task { return &importTask{} })
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}
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type importTask struct {
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}
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func (c importTask) Run(ctx context.Context, pctx *plancontext.Context, s solver.Solver, v *compiler.Value) (*compiler.Value, error) {
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var dir struct {
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Path string
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Include []string
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Exclude []string
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}
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if err := v.Decode(&dir); err != nil {
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return nil, err
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}
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opts := []llb.LocalOption{
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withCustomName(v, "Local %s", dir.Path),
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// Without hint, multiple `llb.Local` operations on the
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// same path get a different digest.
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llb.SessionID(s.SessionID()),
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llb.SharedKeyHint(dir.Path),
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}
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if len(dir.Include) > 0 {
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opts = append(opts, llb.IncludePatterns(dir.Include))
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}
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// Excludes .dagger directory by default
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excludePatterns := []string{"**/.dagger/"}
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if len(dir.Exclude) > 0 {
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excludePatterns = dir.Exclude
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}
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opts = append(opts, llb.ExcludePatterns(excludePatterns))
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// FIXME: Remove the `Copy` and use `Local` directly.
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//
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// Copy'ing is a costly operation which should be unnecessary.
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// However, using llb.Local directly breaks caching sometimes for unknown reasons.
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st := llb.Scratch().File(
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llb.Copy(
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llb.Local(
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dir.Path,
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opts...,
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),
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"/",
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"/",
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),
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withCustomName(v, "Local %s [copy]", dir.Path),
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)
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result, err := s.Solve(ctx, st, pctx.Platform.Get())
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if err != nil {
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return nil, err
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}
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fs := pctx.FS.New(result)
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out := compiler.NewValue()
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if err := out.FillPath(cue.ParsePath("fs"), fs.MarshalCUE()); err != nil {
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return nil, err
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}
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return out, nil
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}
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