fix(nixery): strictly adhere to OCI image spec
nixery.dev uses the vnd.docker.container.image.v1 format, which is recognized by the OCI [1] and originally defined by Docker [2]. The config field in this image format, which this commit is about, is even portable between the Docker and OCI formats (the Docker Golang library embeds the OCI definition [3]). The attribute names in what's called ImageConfig in [3] are specified as PascalCase, which effectively means that the names Env and Cmd used by nixery need to be capitalized. The lowercase variant is not causing a lot of issues because most container tooling is written in Golang, which allows case-insensitive matches when deserializing JSON. Languages that parse strictly either miss the configuration values, or fail due to unknown attributes. This commit capitalizes Cmd and Env to accomodate strict parsers. [1]: https://github.com/opencontainers/image-spec/blob/365fa41/media-types.md?plain=1#L70 [2]: https://github.com/moby/moby/blob/v20.10.8/image/spec/v1.2.md#image-json-description [3]: https://github.com/opencontainers/image-spec/blob/365fa41/specs-go/v1/config.go#L24 Change-Id: Ibee597a64d36c008dea83a3b7a0d8e59b8287d0d Signed-off-by: Markus Rudy <webmaster@burgerdev.de> Co-authored-by: Paul Meyer <49727155+katexochen@users.noreply.github.com> Reviewed-on: https://cl.tvl.fyi/c/depot/+/11012 Autosubmit: lukegb <lukegb@tvl.fyi> Reviewed-by: lukegb <lukegb@tvl.fyi> Tested-by: BuildkiteCI
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1 changed files with 2 additions and 2 deletions
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@ -54,8 +54,8 @@ type imageConfig struct {
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} `json:"rootfs"`
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Config struct {
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Cmd []string `json:"cmd,omitempty"`
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Env []string `json:"env,omitempty"`
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Cmd []string `json:",omitempty"`
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Env []string `json:",omitempty"`
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} `json:"config"`
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}
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