Merge branch 'dd/ci-swap-azure-pipelines-with-github-actions'

Update the CI configuration to use GitHub Actions, retiring the one
based on Azure Pipelines.

* dd/ci-swap-azure-pipelines-with-github-actions:
  ci: let GitHub Actions upload failed tests' directories
  ci: add a problem matcher for GitHub Actions
  tests: when run in Bash, annotate test failures with file name/line number
  ci: retire the Azure Pipelines definition
  README: add a build badge for the GitHub Actions runs
  ci: configure GitHub Actions for CI/PR
  ci: run gem with sudo to install asciidoctor
  ci: explicit install all required packages
  ci: fix the `jobname` of the `GETTEXT_POISON` job
  ci/lib: set TERM environment variable if not exist
  ci/lib: allow running in GitHub Actions
  ci/lib: if CI type is unknown, show the environment variables

1 files changed, 29 insertions, 2 deletions

diff --git a/ci/lib.sh b/ci/lib.sh
index 87cd29bab6..dac36886e3 100755
--- a/ci/lib.sh
+++ b/ci/lib.sh
@@ -34,7 +34,7 @@ save_good_tree () {
 # successfully before (e.g. because the branch got rebased, changing only
 # the commit messages).
 skip_good_tree () {
-	if test "$TRAVIS_DEBUG_MODE" = true
+	if test "$TRAVIS_DEBUG_MODE" = true || test true = "$GITHUB_ACTIONS"
 	then
 		return
 	fi
@@ -79,6 +79,9 @@ check_unignored_build_artifacts ()
 	}
 }
 
+# GitHub Action doesn't set TERM, which is required by tput
+export TERM=${TERM:-dumb}
+
 # Clear MAKEFLAGS that may come from the outside world.
 export MAKEFLAGS=
 
@@ -136,8 +139,32 @@ then
 	MAKEFLAGS="$MAKEFLAGS --jobs=10"
 	test windows_nt != "$CI_OS_NAME" ||
 	GIT_TEST_OPTS="--no-chain-lint --no-bin-wrappers $GIT_TEST_OPTS"
+elif test true = "$GITHUB_ACTIONS"
+then
+	CI_TYPE=github-actions
+	CI_BRANCH="$GITHUB_REF"
+	CI_COMMIT="$GITHUB_SHA"
+	CI_OS_NAME="$(echo "$RUNNER_OS" | tr A-Z a-z)"
+	test macos != "$CI_OS_NAME" || CI_OS_NAME=osx
+	CI_REPO_SLUG="$GITHUB_REPOSITORY"
+	CI_JOB_ID="$GITHUB_RUN_ID"
+	CC="${CC:-gcc}"
+
+	cache_dir="$HOME/none"
+
+	export GIT_PROVE_OPTS="--timer --jobs 10"
+	export GIT_TEST_OPTS="--verbose-log -x"
+	MAKEFLAGS="$MAKEFLAGS --jobs=10"
+	test windows != "$CI_OS_NAME" ||
+	GIT_TEST_OPTS="--no-chain-lint --no-bin-wrappers $GIT_TEST_OPTS"
+
+	# https://github.com/actions/toolkit/blob/master/docs/commands.md#problem-matchers
+	echo "::add-matcher::ci/git-problem-matcher.json"
+	test linux-musl = "$jobname" ||
+	MAKEFLAGS="$MAKEFLAGS TEST_SHELL_PATH=/bin/sh"
 else
 	echo "Could not identify CI type" >&2
+	env >&2
 	exit 1
 fi
 
@@ -195,7 +222,7 @@ osx-clang|osx-gcc)
 	# Travis CI OS X
 	export GIT_SKIP_TESTS="t9810 t9816"
 	;;
-GIT_TEST_GETTEXT_POISON)
+GETTEXT_POISON)
 	export GIT_TEST_GETTEXT_POISON=true
 	;;
 Linux32)