fix: print correct commit hash

Author: VladasZ

.github/workflows/push.yml

@@ -84,7 +84,7 @@ jobs:
         run: make hash
 
       - name: Commit Hash
-        run: echo ${GITHUB_SHA}
+        run: echo ${{ github.event.pull_request.head.sha }}
 
   measure:
     runs-on: ubuntu-latest

.github/workflows/test.yml

@@ -75,4 +75,5 @@ jobs:
         run: make hash
 
       - name: Commit Hash
-        run: echo ${GITHUB_SHA}
+        run: echo ${{ github.event.pull_request.head.sha }}
+

scripts/check-contract-hash.sh

@@ -13,8 +13,14 @@ make build-in-docker
 commit_hash=$(openssl dgst -sha256 "$commit" | awk '{print $2}')
 docker_hash=$(openssl dgst -sha256 "$docker" | awk '{print $2}')
 
+git_hash=$(git rev-parse --short "$GITHUB_SHA")
+git_branch=${GITHUB_REF#refs/heads/}
+
+echo "$git_hash"
+echo "$git_branch"
+
 if [ "$commit_hash" = "$docker_hash" ]; then
-  echo "Binary hashes match. Commit hash: ${GITHUB_SHA}"
+  echo "Binary hashes match."
 else
   echo "The contract in commit hash does not match with hash of contract build in docker. You must call \`make dock\` command before submitting a PR." >&2
   exit 1