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2026-01-05internal/pkg: temporary scratch space for cureOphestra
This allows for more flexibility during implementation. The use case that required this was for expanding single directory tarballs. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-05internal/pkg: compute http identifier from urlOphestra
The previous implementation exposes arbitrary user input to the cache as an identifier, which is highly error-prone and can cause the cache to enter an inconsistent state if the user is not careful. This change replaces the implementation to compute identifier late, using url string as params. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-05internal/pkg: improve artifact interfaceOphestra
This moves all cache I/O code to Cache. Artifact now only contains methods for constructing their actual contents. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-04internal/pkg: ignore typeflag 'g'Ophestra
Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-04internal/pkg: create symlinks for filesOphestra
These are much easier to handle than hard links and should be just as transparent for this use case. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-04internal/pkg: implement tar artifactOphestra
This is useful for unpacking tarballs downloaded from the internet. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-04internal/pkg: override working directory permsOphestra
This must be writable to enable renaming, and the final result is conventionally read-only alongside the entire directory contents. This change overrides the permission bits as part of Store. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-04internal/pkg: enable cache access during storeOphestra
This is still not ideal as it makes entry into Store sequential. This will be improved after more usage code is written. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-03internal/pkg: pass context in request wrapperOphestra
This method is for the most common use case, and in actual use there will always be an associated context. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-03internal/pkg: implement caching for directoriesOphestra
This works on any directories and should be robust against any bad state the artifact curing process might have failed at. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-03internal/pkg: wrap checksum string encodingOphestra
This wraps base64.URLEncoding.EncodeToString for cleaner call site. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-03internal/pkg: compute identifier from depsOphestra
This provides infrastructure for computing a deterministic identifier based on current artifact kind, opaque parameters data, and optional dependency kind and identifiers. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-03internal/pkg: create work directoryOphestra
This is used for artifacts that cure into directories. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-03internal/pkg: optionally validate flat pathnamesOphestra
This makes the decoder safe against untrusted input without hurting performance for a trusted stream. This should still not be called against untrusted input though. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-03internal/pkg: implement http artifactOphestra
This is useful for downloading source tarballs from the internet. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-02internal/pkg: relocate cache test helperOphestra
This is useful for other tests that need a cache instance. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-02internal/pkg: encode entry in custom formatOphestra
The fact that Gob serialisation is deterministic is an implementation detail. This change replaces Gob with a simple custom format. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-02internal/pkg: implement caching for filesOphestra
This change contains primitives for validating and caching single-file artifacts. Signed-off-by: Ophestra <cat@gensokyo.uk>