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Hash1: Make comment more precisely describe how to emulate logic from shell #7

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Hash1: Make comment more precisely describe how to emulate logic from shell #7

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4 changes: 3 additions & 1 deletion sumdb/dirhash/hash.go
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,9 @@ type Hash func(files []string, open func(string) (io.ReadCloser, error)) (string
// Hash1 is "h1:" followed by the base64-encoded SHA-256 hash of a summary
// prepared as if by the Unix command:
//
// find . -type f | sort | sha256sum
// find . -type f -printf 'prefix/%P\n' | sort | xargs sha256sum
//
// (where prefix is something like foo/[email protected])
//
// More precisely, the hashed summary contains a single line for each file in the list,
// ordered by sort.Strings applied to the file names, where each line consists of
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