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fix: normalize hf.co to huggingface.co to prevent duplicate models #614

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Merged
ilopezluna merged 2 commits into from
Jan 31, 2026
Merged

fix: normalize hf.co to huggingface.co to prevent duplicate models #614

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0599099
fix: normalize hf.co to huggingface.co to prevent duplicate models
Jan 29, 2026
cfe841c
refactor: use strings.CutPrefix for cleaner prefix handling
littleKitchen Jan 30, 2026
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6 changes: 6 additions & 0 deletions pkg/distribution/distribution/client.go
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Original file line number Diff line number Diff line change
Expand Up @@ -123,6 +123,12 @@ func (c *Client) normalizeModelName(model string) string {
return model
}

// Normalize HuggingFace short URL (hf.co) to canonical form (huggingface.co)
// This ensures that hf.co/org/model and huggingface.co/org/model are treated as the same model
if rest, found := strings.CutPrefix(model, "hf.co/"); found {
model = "huggingface.co/" + rest
}

// If it looks like an ID or digest, try to resolve it to full ID
if c.looksLikeID(model) || c.looksLikeDigest(model) {
if fullID := c.resolveID(model); fullID != "" {
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22 changes: 22 additions & 0 deletions pkg/distribution/distribution/normalize_test.go
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Expand Up @@ -123,6 +123,28 @@ func TestNormalizeModelName(t *testing.T) {
input: "MyModel",
expected: "ai/mymodel:latest",
},

// HuggingFace URL normalization
{
name: "hf.co normalized to huggingface.co",
input: "hf.co/org/model",
expected: "huggingface.co/org/model:latest",
},
{
name: "hf.co with tag normalized to huggingface.co",
input: "hf.co/org/model:Q4_K_M",
expected: "huggingface.co/org/model:Q4_K_M",
},
{
name: "huggingface.co stays unchanged",
input: "huggingface.co/org/model",
expected: "huggingface.co/org/model:latest",
},
{
name: "huggingface.co with tag stays unchanged",
input: "huggingface.co/org/model:Q4_K_M",
expected: "huggingface.co/org/model:Q4_K_M",
},
}

for _, tt := range tests {
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