Remove build wrapper

CONTRIBUTING.md

@@ -50,7 +50,7 @@ tox                      # runs 'lint' and 'unit' environments
 Build the charm in this git repository using:
 
 ```shell
-tox run -e build-dev
+charmcraftcache pack
 ```
 
 ### Deploy

charmcraft.yaml

@@ -16,17 +16,18 @@ parts:
     prime:
       - scripts
   charm:
-    override-pull: |
-      craftctl default
-      if [[ ! -f requirements.txt ]]
-      then
-          echo 'ERROR: Use "tox run -e build-dev" instead of calling "charmcraft pack" directly' >&2
-          exit 1
-      fi
-    charm-strict-dependencies: true
+    build-snaps:
+      - rustup
     build-packages:
       - libffi-dev
       - libssl-dev
       - pkg-config
-      - rustc
-      - cargo
+    override-build: |
+      rustup default stable
+
+      # Convert subset of poetry.lock to requirements.txt
+      curl -sSL https://install.python-poetry.org | python3 -
+      /root/.local/bin/poetry export --only main,charm-libs --output requirements.txt
+
+      craftctl default
+    charm-strict-dependencies: true

tox.ini

@@ -18,24 +18,6 @@ set_env =
 allowlist_externals =
     poetry
 
-[testenv:build-{production,dev,wrapper}]
-# Wrap `charmcraft pack`
-pass_env =
-    CI
-    GH_TOKEN
-allowlist_externals =
-    {[testenv]allowlist_externals}
-    charmcraft
-    charmcraftcache
-    mv
-commands_pre =
-    poetry export --only main,charm-libs --output requirements.txt
-commands =
-    build-production: charmcraft pack {posargs}
-    build-dev: charmcraftcache pack {posargs}
-commands_post =
-    mv requirements.txt requirements-last-build.txt
-
 [testenv:format]
 description = Apply coding style standards to code
 commands_pre =
@@ -78,12 +60,7 @@ pass_env =
     CI
     GITHUB_OUTPUT
     SECRETS_FROM_GITHUB
-allowlist_externals =
-    {[testenv:build-wrapper]allowlist_externals}
 commands_pre =
     poetry install --only integration
-    {[testenv:build-wrapper]commands_pre}
 commands =
     poetry run pytest -v --tb native --log-cli-level=INFO -s --ignore={[vars]tests_path}/unit/ {posargs}
-commands_post =
-    {[testenv:build-wrapper]commands_post}