[CI] Add weights verification jobs (#6996)

* add weights verification job

* switch to a github action

* rename script..

* add swc check

* fix perms...

* debugging

* fix comments, remove artifact. I hate CI

* switch to swc compare files

* sigh

* switch back to compare commits

* fix output

* fix output... again. yay markdown!

* remove test version number

* remove TODO

* switch to docker image

* Revert "remove TODO"

This reverts commit c313afd4604c437ebd25ffa84bb8cc7d95cd1092.

* fix docker registry url

* revert docker experiment

too janky. will fix upstream stuff and fix as a separate PR

reverts commits:

- 3be2043a95f15579453e68ff96360f60aeae24e3
- fd17a0fbf8a75449720fe3861f941f4a91fcc9c7
- 59f0ebfef49e37060cb2dc63cf67c7809befcf57

---------

Co-authored-by: parity-processbot <>
Co-authored-by: Martin <parity@tofu.lan>

polkadot/scripts/ci/github/check_weights_swc.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+# Need to set globstar for ** magic
+shopt -s globstar
+
+RUNTIME=$1
+VERSION=$2
+echo "<details>"
+echo "<summary>Weight changes for $RUNTIME</summary>"
+echo
+swc compare commits \
+    --method asymptotic \
+    --offline \
+    --path-pattern "./runtime/$RUNTIME/src/weights/**/*.rs" \
+    --no-color \
+    --format markdown \
+    --strip-path-prefix "runtime/$RUNTIME/src/weights/" \
+    "$VERSION"
+    #--ignore-errors
+echo
+echo "</details>"