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reference: allow more than 1 digest algorithm separator

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This updates the grammar to allow more than one digest algorithm
separator, matching the regular expression and intended grammar.

Signed-off-by: Stephen J Day <stephen.day@docker.com>
This commit is contained in:
Stephen J Day 2017-04-24 15:14:12 -07:00
parent c3e06c6069
commit 3da015f8aa
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GPG key ID: 67B3DED84EDC823F
1 changed files with 1 additions and 1 deletions
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reference/reference.go
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@ -15,7 +15,7 @@
// tag := /[\w][\w.-]{0,127}/
//
// digest := digest-algorithm ":" digest-hex
// digest-algorithm := digest-algorithm-component [ digest-algorithm-separator digest-algorithm-component ]
// digest-algorithm := digest-algorithm-component [ digest-algorithm-separator digest-algorithm-component ]*
// digest-algorithm-separator := /[+.-_]/
// digest-algorithm-component := /[A-Za-z][A-Za-z0-9]*/
// digest-hex := /[0-9a-fA-F]{32,}/ ; At least 128 bit digest value