retry loop

action.yml

@@ -34,49 +34,7 @@ runs:
 
         # required for the below API call
         GH_TOKEN: ${{ github.token }}
-      run: |
-        exec 2>&1
-
-        while true; do
-          if ! jobs=$(
-            gh api repos/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID/attempts/$GITHUB_RUN_ATTEMPT
-          ); then
-            echo retrying failed command, with debug:
-            if ! jobs=$(
-              GH_DEBUG=api gh api repos/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID/attempts/$GITHUB_RUN_ATTEMPT
-            ); then
-              tee -a "$GITHUB_STEP_SUMMARY" <<EOF
-
-              Error: Please update your Github Actions job definition to include the
-              actions.read permission:
-
-                  permissions:
-                    actions: "read"
-
-              EOF
-              exit 1
-            fi
-          fi
-          if [[ "$jobs" = "null" ]]; then
-            sleep 1
-          else
-            break
-          fi
-        done
-
-        job=$(
-          jq <<<"$jobs" --arg runner_name "$RUNNER_NAME" \
-            '.jobs[] | select(.runner_name == $runner_name)'
-        )
-
-        echo The missing GITHUB_ environment variables:
-        tee -a "$GITHUB_ENV" <<EOF
-        GITHUB_JOB_ID=$(jq -r .id <<< "$job")
-        GITHUB_JOB_NAME=$(jq -r .name <<< "$job")
-        GITHUB_MATRIX=$(jq -c <<<"$GITHUB_MATRIX")
-        GITHUB_MATRIX_INDEX=$GITHUB_MATRIX_INDEX
-        GITHUB_MATRIX_TOTAL=$GITHUB_MATRIX_TOTAL
-        EOF
+      run: ${{ github.action_path }}/lib/gha/set-job-vars
 
     - name: Setup Python
       uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0

lib/gha/set-job-vars

@@ -0,0 +1,50 @@
+#!/bin/bash
+set -ueo pipefail
+
+gha_get_jobs() {
+  gh api "repos/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID/attempts/$GITHUB_RUN_ATTEMPT"
+}
+
+jobs=null
+limit=3
+sleep=1
+while :; do
+  if ! jobs=$(gha_get_jobs); then
+    echo retrying failed command, with debug:
+    if ! jobs=$(set -x; GH_DEBUG=api gha_get_jobs); then
+      tee -a "$GITHUB_STEP_SUMMARY" <<EOF
+
+Error: Please update your Github Actions job definition to include the
+actions.read permission:
+
+    permissions:
+      actions: "read"
+
+EOF
+      exit 1
+    fi
+  fi
+  if ! [[ "$jobs" = "null" ]]; then
+    break
+  elif ((limit-=sleep)); then
+    sleep "$sleep"
+    echo $limit $sleep
+  else
+    echo timeout
+    exit 1
+  fi
+done
+
+job=$(
+  jq <<<"$jobs" --arg runner_name "$RUNNER_NAME" \
+    '.jobs[] | select(.runner_name == $runner_name)'
+)
+
+echo The missing GITHUB_ environment variables:
+tee -a "$GITHUB_ENV" <<EOF
+GITHUB_JOB_ID=$(jq -r .id <<< "$job")
+GITHUB_JOB_NAME=$(jq -r .name <<< "$job")
+GITHUB_MATRIX=$(jq -c <<<"$GITHUB_MATRIX")
+GITHUB_MATRIX_INDEX=$GITHUB_MATRIX_INDEX
+GITHUB_MATRIX_TOTAL=$GITHUB_MATRIX_TOTAL
+EOF