CI: fork spread to get #179 fixes

See canonical/spread#179

.github/workflows/spread.yml

@@ -18,7 +18,11 @@ jobs:
       - uses: actions/checkout@v3
       - name: Install spread
         run: |
-          go install github.com/snapcore/spread/cmd/spread@latest
+          # TODO: Once Spread PR #179 is merged, go back to:
+          # go install github.com/snapcore/spread/cmd/spread@latest
+          git clone --depth 1 --branch thp https://github.com/thp-canonical/spread spread-fork
+          cd spread-fork && go install ./cmd/spread
+          cd .. && rm -r spread-fork
       - name: Run the spread test inside LXD
         run: |
           ~/go/bin/spread -v lxd:

spread.yaml

@@ -22,6 +22,7 @@ prepare: |
   rm -f /lib/netplan/generate
   # FIXME: having the debian packging available would allow "apt
   # build-dep -y ./" would make this easier :)
+  add-apt-repository -y -u -s ppa:slyon/netplan-ci
   apt update -qq
   apt install -y ubuntu-dev-tools devscripts equivs
   pull-lp-source netplan.io