48 lines
1.5 KiB
Go
48 lines
1.5 KiB
Go
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package configs
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import (
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"github.com/hashicorp/hcl2/hcl"
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)
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func mergeBodies(base, override hcl.Body) hcl.Body {
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return mergeBody{
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Base: base,
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Override: override,
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}
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}
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// mergeBody is a hcl.Body implementation that wraps a pair of other bodies
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// and allows attributes and blocks within the override to take precedence
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// over those defined in the base body.
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//
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// This is used to deal with dynamically-processed bodies in Module.mergeFile.
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// It uses a shallow-only merging strategy where direct attributes defined
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// in Override will override attributes of the same name in Base, while any
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// blocks defined in Override will hide all blocks of the same type in Base.
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//
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// This cannot possibly "do the right thing" in all cases, because we don't
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// have enough information about user intent. However, this behavior is intended
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// to be reasonable for simple overriding use-cases.
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type mergeBody struct {
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Base hcl.Body
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Override hcl.Body
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}
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var _ hcl.Body = mergeBody{}
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func (b mergeBody) Content(schema *hcl.BodySchema) (*hcl.BodyContent, hcl.Diagnostics) {
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panic("mergeBody.Content not yet implemented")
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}
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func (b mergeBody) PartialContent(schema *hcl.BodySchema) (*hcl.BodyContent, hcl.Body, hcl.Diagnostics) {
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panic("mergeBody.Content not yet implemented")
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}
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func (b mergeBody) JustAttributes() (hcl.Attributes, hcl.Diagnostics) {
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panic("mergeBody.JustAttributes not yet implemented")
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}
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func (b mergeBody) MissingItemRange() hcl.Range {
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return b.Base.MissingItemRange()
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}
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