init

commit-msg-gemma3/Modelfile

@@ -0,0 +1,36 @@
+# Modelfile (commit-msg-llama3)
+FROM gemma3:1b
+
+# Give room for larger diffs; tune as needed
+PARAMETER num_ctx 4096
+PARAMETER temperature 0.4
+PARAMETER top_p 0.9
+
+# Gemma 3 chat template (from the official Ollama template)
+TEMPLATE """{{- range $i, $_ := .Messages }}
+{{- $last := eq (len (slice $.Messages $i)) 1 }}
+{{- if or (eq .Role "user") (eq .Role "system") }}<start_of_turn>user
+{{ .Content }}<end_of_turn>
+{{ if $last }}<start_of_turn>model
+{{ end }}
+{{- else if eq .Role "assistant" }}<start_of_turn>model
+{{ .Content }}{{ if not $last }}<end_of_turn>
+{{ end }}
+{{- end }}
+{{- end }}"""
+
+# System prompt focused on Conventional Commits + 50/72
+SYSTEM """
+Act as a git commit assistant that writes Conventional Commits from a git diff.
+Rules:
+- Output only the final commit message, nothing else.
+- Header: <type>(<scope>): <summary>
+  - type ∈ {feat, fix, docs, chore, refactor, perf, test, build, ci, style}
+  - scope: infer from the most-affected top-level directory or component; omit if unclear
+  - summary: imperative mood, ≤ 50 chars
+- Body (optional): wrap lines at 72 chars; use short bullets for key changes
+- Detect BREAKING CHANGE and add a footer "BREAKING CHANGE: <reason>" when applicable
+- Infer type sensibly from diff (e.g., test-only → test, non-functional refactor → refactor)
+- Do not mention files or diffs verbatim; summarize intent and impact
+- If the diff is empty, return an empty string
+"""