chore: fix bench workflow for forks (#1129)

* chore: fix bench workflow for forks

* Revert "chore: fix bench workflow for forks"

We do want the PR commit and not the default rebased commit.
This reverts commit affbf72.

* chore: add repo name

* fix: no benchmark_id

.github/workflows/benchmark-call.yml

@@ -131,7 +131,8 @@ jobs:
 
       - uses: actions/checkout@v4
         with:
-          ref: ${{ github.head_ref || github.ref }}
+          ref: ${{ github.event.pull_request.head.sha || github.sha }}
+          repository: ${{ github.event.pull_request.head.repo.full_name || github.repository }}
 
       - uses: dtolnay/rust-toolchain@nightly
       - uses: Swatinem/rust-cache@v2
@@ -186,7 +187,7 @@ jobs:
       # When uploading to S3, use ${METRIC_NAME}-${current_sha}.[md/json]
       - name: Set metric name
         run: |
-          METRIC_NAME=${{ inputs.benchmark_id }}
+          METRIC_NAME=${{ inputs.benchmark_id || inputs.benchmark_name }}
           echo "METRIC_NAME=${METRIC_NAME}" >> $GITHUB_ENV
           METRIC_PATH=".bench_metrics/${METRIC_NAME}.json"
           echo "METRIC_PATH=${METRIC_PATH}" >> $GITHUB_ENV

.github/workflows/benchmarks.yml

@@ -23,6 +23,7 @@ env:
   CARGO_TERM_COLOR: always
   OPENVM_FAST_TEST: "1"
   CURRENT_SHA: ${{ github.event.pull_request.head.sha || github.sha }}
+  REPO: ${{ github.event.pull_request.head.repo.full_name || github.repository }}
   CARGO_NET_GIT_FETCH_WITH_CLI: "true"
 
 permissions:
@@ -39,7 +40,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
         with:
-          ref: ${{ github.head_ref || github.ref }}
+          ref: ${{ CURRENT_SHA }}
+          repository: ${{ REPO }}
 
       - name: Create benchmark matrix from JSON
         id: create-matrix
@@ -133,7 +135,8 @@ jobs:
       ##########################################################################
       - uses: actions/checkout@v4
         with:
-          ref: ${{ github.head_ref || github.ref }}
+          ref: ${{ CURRENT_SHA }}
+          repository: ${{ REPO }}
 
       - name: Set github pages path for PR
         if: github.event_name == 'pull_request'