mirror of https://github.com/restic/restic.git
29 lines
1.2 KiB
Go
29 lines
1.2 KiB
Go
// Package repository implements a restic repository on top of a backend. In
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// the following the abstractions used for this package are listed. More
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// information can be found in the restic design document.
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//
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// File
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//
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// A file is a named handle for some data saved in the backend. For the local
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// backend, this corresponds to actual files saved to disk. Usually, the SHA256
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// hash of the content is used for a file's name (hexadecimal, in lower-case
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// ASCII characters). An exception is the file `config`. Most files are
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// encrypted before being saved in a backend. This means that the name is the
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// hash of the ciphertext.
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//
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// Blob
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//
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// A blob is a number of bytes that has a type (data or tree). Blobs are
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// identified by an ID, which is the SHA256 hash of the blobs' contents. One or
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// more blobs are bundled together in a Pack and then saved to the backend.
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// Blobs are always encrypted before being bundled in a Pack.
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//
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// Pack
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//
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// A Pack is a File in the backend that contains one or more (encrypted) blobs,
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// followed by a header at the end of the Pack. The header is encrypted and
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// contains the ID, type, length and offset for each blob contained in the
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// Pack.
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//
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package repository
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