Added sccache config

.woodpecker/.test.yml

@@ -1,15 +1,31 @@
 # When block for each step is temporary until top-level when is properly implemented
 pipeline:
-  clippy:
+  add-sccache:
     image: 'rust:1.57'
     commands:
+      - curl https://github.com/mozilla/sccache/releases/download/v0.2.15/sccache-v0.2.15-x86_64-unknown-linux-musl.tar.gz -Lo - | tar xzf -
+      - mv sccache-v0.2.15-x86_64-unknown-linux-musl/sccache .
+
+  clippy:
+    image: 'rust:1.57'
+    environment:
+      - SCCACHE_BUCKET=rbci
+      - SCCACHE_ENDPOINT=https://s3.rustybever.be
+      - SCCACHE_S3_USE_SSL=true
+    commands:
+      - export RUSTC_WRAPPER="$PWD"/sccache
+      - export SCCACHE_S3_KEY_PREFIX=$CI_REPO_NAME
       - cargo clippy -- -D clippy::all --no-deps
+    secrets:
+      - aws_access_key_id
+      - aws_secret_access_key
     when:
-      event: pull_request
+      event: push
 
   tests:
     image: 'rust:1.57'
     commands:
+      - export RUSTC_WRAPPER="$PWD"/sccache
       - cargo test
     when:
       event: pull_request