add echo output

github issue: https://github.com/flutter/flutter/issues/124708

Change-Id: Ifeb8f744ab7a604598baf7c65987147457f381f6
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/41680
Commit-Queue: Casey Hillers <chillers@google.com>
Reviewed-by: Casey Hillers <chillers@google.com>

recipes/release/release_publish.resources/push_release.sh

diff --git a/recipes/release/release_publish.resources/push_release.sh b/recipes/release/release_publish.resources/push_release.sh
index d4bd6b6..06b821c 100644
--- a/recipes/release/release_publish.resources/push_release.sh
+++ b/recipes/release/release_publish.resources/push_release.sh
@@ -10,12 +10,13 @@
 git branch
 if [ $REPO == 'flutter' ]
 then
+  echo 'using tag' $REL_HASH
   git tag $TAG $REL_HASH || true
 elif [ $REPO == 'engine' ]
 then
+  echo 'using tag' $(<../flutter/bin/internal/engine.version)
   git tag $TAG $(<../flutter/bin/internal/engine.version) || true
 fi
-git rev-list -n 1 origin/$GIT_BRANCH
 git remote set-url origin https://$GITHUB_USER:$TOKEN@github.com/flutter/$REPO.git
 $DRY_RUN_CMD git push origin $TAG || true
 $DRY_RUN_CMD git push origin HEAD:$RELEASE_CHANNEL