FlyCoder 0.3: three Ollama models, automatic publishing from GitHub

.github/workflows/publish-ollama.yml

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+name: publish-ollama
+# Every change to main that touches a Modelfile or an Ollama page is published on ollama.com:
+# the changed models are rebuilt and pushed as Tromset/<name>, then the pages are updated from docs/ollama/.
+# Needs two repository secrets (Settings > Secrets and variables > Actions):
+#   OLLAMA_KEY      the private key ~/.ollama/id_ed25519 of a machine linked to the Tromset account (`ollama signin`)
+#   OLLAMA_API_KEY  an API key from https://ollama.com/settings/keys
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'Modelfile*'
+      - 'docs/ollama/**'
+      - 'scripts/publish.sh'
+      - 'scripts/update-ollama-pages.sh'
+      - '.github/workflows/publish-ollama.yml'
+  workflow_dispatch:
+    inputs:
+      models:
+        description: 'Models to publish (space-separated names, "all", or "none" for pages only)'
+        default: all
+concurrency:
+  group: publish-ollama
+  cancel-in-progress: false
+jobs:
+  publish:
+    if: github.repository == 'Tromset/flycoder'
+    runs-on: ubuntu-latest
+    timeout-minutes: 120
+    env:
+      OLLAMA_KEY: ${{ secrets.OLLAMA_KEY }}
+      OLLAMA_API_KEY: ${{ secrets.OLLAMA_API_KEY }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Pick the models to publish
+        id: pick
+        env:
+          BEFORE: ${{ github.event.before }}
+          REQUESTED: ${{ inputs.models }}
+        run: |
+          if [ "$GITHUB_EVENT_NAME" = workflow_dispatch ]; then
+            models=$REQUESTED
+          elif ! changed=$(git diff --name-only "$BEFORE" "$GITHUB_SHA" 2>/dev/null); then
+            models=all
+          else
+            models=
+            for file in $changed; do
+              case $file in
+                Modelfile) models="$models flycoder0.3" ;;
+                Modelfile.fast) models="$models flycoder0.3fast" ;;
+                Modelfile.pro) models="$models flycoder0.3pro" ;;
+                Modelfile.lite) models="$models flycoder0.3:lite" ;;
+                Modelfile.router) models="$models flycoder0.3:router" ;;
+                scripts/publish.sh|.github/workflows/publish-ollama.yml) models=all; break ;;
+              esac
+            done
+          fi
+          [ -n "$models" ] || models=none
+          echo "Models to publish: $models"
+          echo "models=$models" >> "$GITHUB_OUTPUT"
+
+      - name: Check the secrets
+        run: |
+          [ -n "$OLLAMA_KEY" ] || { echo "::error::Add the OLLAMA_KEY secret (contents of ~/.ollama/id_ed25519 from a machine signed in to the Tromset account)."; exit 1; }
+          [ -n "$OLLAMA_API_KEY" ] || echo "::warning::OLLAMA_API_KEY is not set: the model pages will not be updated."
+
+      - name: Free disk space for the base models
+        if: steps.pick.outputs.models != 'none'
+        run: |
+          sudo rm -rf /usr/share/dotnet /usr/local/lib/android /opt/ghc /opt/hostedtoolcache/CodeQL
+          sudo docker image prune --all --force >/dev/null
+          df -h /
+
+      - name: Start Ollama with the Tromset key
+        if: steps.pick.outputs.models != 'none'
+        run: |
+          curl -fsSL https://ollama.com/install.sh | sh
+          sudo systemctl disable --now ollama || true
+          # Pushes are signed by the server with ~/.ollama/id_ed25519: run it as this user.
+          mkdir -p ~/.ollama && chmod 700 ~/.ollama
+          printf '%s\n' "$OLLAMA_KEY" > ~/.ollama/id_ed25519 && chmod 600 ~/.ollama/id_ed25519
+          ssh-keygen -y -f ~/.ollama/id_ed25519 > ~/.ollama/id_ed25519.pub
+          nohup ollama serve > "$RUNNER_TEMP/ollama.log" 2>&1 &
+          for _ in $(seq 30); do ollama list >/dev/null 2>&1 && break; sleep 1; done
+          ollama --version
+
+      - name: Build and push the models
+        if: steps.pick.outputs.models != 'none'
+        env:
+          FLYCODER_PRUNE: '1'
+          MODELS: ${{ steps.pick.outputs.models }}
+        run: |
+          # MODELS is a space-separated list of names: split it on purpose.
+          # shellcheck disable=SC2086
+          if [ "$MODELS" = all ]; then sh scripts/publish.sh Tromset; else sh scripts/publish.sh Tromset $MODELS; fi
+
+      - name: Update the model pages
+        if: env.OLLAMA_API_KEY != ''
+        run: |
+          if sh scripts/update-ollama-pages.sh Tromset; then
+            echo "Model pages updated from docs/ollama/." >> "$GITHUB_STEP_SUMMARY"
+          else
+            echo "::warning::Some ollama.com pages were not updated (see the log). Paste docs/ollama/<model>.md into the page by hand."
+            echo "Some ollama.com pages were not updated: paste docs/ollama/<model>.md by hand." >> "$GITHUB_STEP_SUMMARY"
+          fi
+
+      - name: Remove the key
+        if: always()
+        run: rm -f ~/.ollama/id_ed25519 ~/.ollama/id_ed25519.pub