Re: [PATCH] ci: avoid using the deprecated `set-env` construct

[Junio C Hamano <gitster@pobox.com>]

"Johannes Schindelin via GitGitGadget" <gitgitgadget@gmail.com>
writes:

> From: Johannes Schindelin <johannes.schindelin@gmx.de>
>
> The `set-env` construct was deprecated as of the announcement in
> https://github.blog/changelog/2020-10-01-github-actions-deprecating-set-env-and-add-path-commands/
> ...
> diff --git a/.github/workflows/check-whitespace.yml b/.github/workflows/check-whitespace.yml
> index 9d070b9cdf..c74b47de9e 100644
> --- a/.github/workflows/check-whitespace.yml
> +++ b/.github/workflows/check-whitespace.yml
> @@ -14,7 +14,7 @@ jobs:
>      steps:
>      - name: Set commit count
>        shell: bash
> -      run: echo "::set-env name=COMMIT_DEPTH::$((1+$COMMITS))"
> +      run: echo "COMMIT_DEPTH=$((1+$COMMITS))" >>$GITHUB_ENV
>        env:
>          COMMITS: ${{ github.event.pull_request.commits }}

Do we need something similar for ci/print-test-failures.sh to
prevent failures like https://github.com/git/git/runs/1409815807?

Perhaps like the following (which is copied-and-pasted without
understanding what is going on or without doing nothing more than
skimming [*1*])?


Reference

*1* https://docs.github.com/en/free-pro-team@latest/actions/reference/workflow-commands-for-github-actions#setting-an-environment-variable


 ci/print-test-failures.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git c/ci/print-test-failures.sh w/ci/print-test-failures.sh
index 92a983a265..c70d6cdbf2 100755
--- c/ci/print-test-failures.sh
+++ w/ci/print-test-failures.sh
@@ -48,7 +48,7 @@ do
 			;;
 		github-actions)
 			mkdir -p failed-test-artifacts
-			echo "::set-env name=FAILED_TEST_ARTIFACTS::t/failed-test-artifacts"
+			echo "FAILED_TEST_ARTIFACTS=t/failed-test-artifacts" >>$GITHUB_ENV
 			cp "${TEST_EXIT%.exit}.out" failed-test-artifacts/
 			tar czf failed-test-artifacts/"$test_name".trash.tar.gz "$trash_dir"
 			continue