89 lines
1.6 KiB
Go
89 lines
1.6 KiB
Go
package environment
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import (
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"context"
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"cuelang.org/go/cue"
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"github.com/rs/zerolog/log"
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"go.dagger.io/dagger/compiler"
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)
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func isReference(val cue.Value) bool {
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isRef := func(v cue.Value) bool {
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_, ref := v.ReferencePath()
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if ref.String() == "" || v.Path().String() == ref.String() {
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// not a reference
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return false
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}
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for _, s := range ref.Selectors() {
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if s.IsDefinition() {
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// if we reference to a definition, we skip the check
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return false
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}
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}
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return true
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}
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op, vals := val.Expr()
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if op == cue.NoOp {
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return isRef(val)
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}
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for _, v := range vals {
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// if the expr has an op (& or |, etc...), check the expr values, recursively
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if isReference(v) {
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return true
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}
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}
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return isRef(val)
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}
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func ScanInputs(ctx context.Context, value *compiler.Value) []*compiler.Value {
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lg := log.Ctx(ctx)
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inputs := []*compiler.Value{}
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value.Walk(
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func(val *compiler.Value) bool {
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if isReference(val.Cue()) {
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lg.Debug().Str("value.Path", val.Path().String()).Msg("found reference, stop walk")
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return false
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}
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if !val.HasAttr("input") {
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return true
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}
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lg.Debug().Str("value.Path", val.Path().String()).Msg("found input")
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inputs = append(inputs, val)
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return true
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}, nil,
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)
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return inputs
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}
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func ScanOutputs(ctx context.Context, value *compiler.Value) []*compiler.Value {
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lg := log.Ctx(ctx)
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inputs := []*compiler.Value{}
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value.Walk(
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func(val *compiler.Value) bool {
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if !val.HasAttr("output") {
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return true
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}
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lg.Debug().Str("value.Path", val.Path().String()).Msg("found output")
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inputs = append(inputs, val)
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return true
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}, nil,
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)
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return inputs
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}
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