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This runs a program in a container environment. Artifacts can be made available to the container, they are cured concurrently and mounted in order.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This avoids missing the cleanup when cure returns an error.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This allows a curing Artifact to cure Artifact it depends on.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This cleans up the function signature and makes backwards compatible API changes possible.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This change adds a method to check on-disk cache consistency and destroy inconsistent entries as they are encountered. This primarily helps verify artifact implementation correctness, but can also repair a cache that got into an inconsistent state from curing a misbehaving artifact, without having to destroy the entire cache.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This makes the checksum consistent with the final resting state of artifact directories without incurring the cost of an extra pair of chown syscalls.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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There is no reason to keep these around.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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This wraps base64.URLEncoding.EncodeToString for cleaner call site.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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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>
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This is used for artifacts that cure into directories.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This change contains primitives for validating and caching single-file artifacts.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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