From 0408205c1cb0d5af1ba97c08b9a24ddc41557097 Mon Sep 17 00:00:00 2001
From: Blake Mizerany <blake.mizerany@gmail.com>
Date: Thu, 18 Apr 2024 14:17:46 -0700
Subject: [PATCH] types/model: accept former `:` as a separator in digest
 (#3724)

This also converges the old sep `:` to the new sep `-`.
---
 types/model/digest.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/types/model/digest.go b/types/model/digest.go
index d5a7a155..d908fa02 100644
--- a/types/model/digest.go
+++ b/types/model/digest.go
@@ -1,6 +1,7 @@
 package model
 
 import (
+	"fmt"
 	"log/slog"
 	"strings"
 	"unicode"
@@ -47,8 +48,11 @@ var (
 // Digest.
 func ParseDigest(s string) Digest {
 	typ, digest, ok := strings.Cut(s, "-")
+	if !ok {
+		typ, digest, ok = strings.Cut(s, ":")
+	}
 	if ok && isValidDigestType(typ) && isValidHex(digest) {
-		return Digest{s: s}
+		return Digest{s: fmt.Sprintf("%s-%s", typ, digest)}
 	}
 	return Digest{}
 }