fix stale "latest" image

.github/workflows/ci.yml

@@ -142,17 +142,33 @@ jobs:
 
  # Push the images if the tests pass and this is not a PR
  - name: Push proposal "use" images
- uses: depot/bake-action@v1
  # If we pushed from PRs, each one would overwrite main's (e.g. use-upgrade-8)
  # To push PR "use" images we'll need to qualify the tag (e.g. use-upgrade-8-pr-2).
  if: ${{ github.event_name != 'pull_request' }}
+ uses: depot/bake-action@v1
+ with:
+ files: |
+ ./docker-bake.json
+ ./docker-bake.hcl
+ ${{ steps.meta.outputs.bake-file }}
+ targets: use
+ push: true
+
+ # Just like the "use" image above but has to begin after that ends
+ # because the "build" here is merely to retag the latest "use" image.
+ # We could do this with imagetools but this lets use keep the tagging logic
+ # in Bake instead of mixed into CI. This step should do hardly any building
+ # because its FROM image was just built above.
+ - name: Push "latest" image
+ # Same reason as for "use" images
+ if: ${{ github.event_name != 'pull_request' }}
+ uses: depot/bake-action@v1
  with:
  files: |
  ./docker-bake.json
  ./docker-bake.hcl
  ${{ steps.meta.outputs.bake-file }}
- # Include "latest" which is latest "use" image
- targets: use, latest
+ targets: latest
  push: true
 
  - name: notify on failure

README.md

@@ -130,12 +130,14 @@ This repo publishes an image of the synthetic agoric-3 chain with all proposals
 
 The CI builds on every push to the trunk branch, (`main`), or a PR branch. You can view all versions at https://github.com/agoric/agoric-3-proposals/pkgs/container/agoric-3-proposals/versions
 
-The versions built from the main branch are at: `ghcr.io/agoric/agoric-3-proposals:main`. For each PR, they're at a URL like `ghcr.io/agoric/agoric-3-proposals:pr-11`.
+PR builds don't push images.
+
+The trunk build pushes "use" images for each proposal and a "latest" which points to the highest passed proposal: `ghcr.io/agoric/agoric-3-proposals:latest`.
 
 If you RUN this image, you'll get a working chain running `agd` until you terminate,
 
 ```sh
-docker run ghcr.io/agoric/agoric-3-proposals:main
+docker run ghcr.io/agoric/agoric-3-proposals:latest
 ```
 
 Or locally,

proposals/61:lo-bundle-cost/test.sh

@@ -1,10 +1,11 @@
 #!/bin/bash
 set -e
 
-expected=20000000
+expected=20
 
 params="$(agd query swingset params -o json)"
-cost="$(echo $params | jq -r ".beans_per_unit | .[] | select(.key == \"storageByte\") | .beans" )"
+ucost="$(echo $params | jq -r ".beans_per_unit | .[] | select(.key == \"storageByte\") | .beans")"
+cost=$((ucost / 1000000))
 
 # fail if cost is not expected
 if [ "$cost" != "$expected" ]; then
@@ -13,4 +14,3 @@ if [ "$cost" != "$expected" ]; then
 else
  echo "Cost is $cost"
 fi
-