Release script: generate the index.html from the commit message

Do not rely on the README.md anymore, because it relies on log
still existing forever on Jenkins. Incoming change will just provides
the log as a file that will be archived on GCS.

Change-Id: Ib962c249145d222bf9909070698c5d419b34db4c
PiperOrigin-RevId: 161804017

scripts/ci/build.sh

@@ -136,7 +136,6 @@ function bazel_build() {
     fi
     cp bazel-genfiles/site/jekyll-tree.tar $1/docs.bazel.build.tar
     cp bazel-bin/src/tools/benchmark/webapp/site.tar $1/perf.bazel.build.tar.nobuild
-    cp bazel-genfiles/scripts/packages/README.md $1/README.md
   fi
 }
 
@@ -181,20 +180,8 @@ function generate_email() {
   fi
 }
 
-# Deploy a github release using a third party tool:
-#   https://github.com/c4milo/github-release
-# This methods expects the following arguments:
-#   $1..$n files generated by package_build (should not contains the README file)
-# Please set GITHUB_TOKEN to talk to the Github API and GITHUB_RELEASE
-# for the path to the https://github.com/c4milo/github-release tool.
-# This method is also affected by GIT_REPOSITORY_URL which should be the
-# URL to the github repository (defaulted to https://github.com/bazelbuild/bazel).
-function release_to_github() {
-  local url="${GIT_REPOSITORY_URL}"
-  local release_name=$(get_release_name)
-  local rc=$(get_release_candidate)
-  local release_tool="${GITHUB_RELEASE:-$(which github-release 2>/dev/null || true)}"
-  local gpl_warning='
+function get_release_page() {
+    echo "# $(git_commit_msg)"'
 
 _Notice_: Bazel installers contain binaries licensed under the GPLv2 with
 Classpath exception. Those installers should always be redistributed along with
@@ -210,8 +197,23 @@ The binaries and source-code of the bundled OpenJDK can be
 _Security_: All our binaries are signed with our
 [public key](https://bazel.build/bazel-release.pub.gpg) 48457EE0.
 '
+}
 
-  if [ ! -x "${release_tool}" ]; then
+# Deploy a github release using a third party tool:
+#   https://github.com/c4milo/github-release
+# This methods expects the following arguments:
+#   $1..$n files generated by package_build (should not contains the README file)
+# Please set GITHUB_TOKEN to talk to the Github API and GITHUB_RELEASE
+# for the path to the https://github.com/c4milo/github-release tool.
+# This method is also affected by GIT_REPOSITORY_URL which should be the
+# URL to the github repository (defaulted to https://github.com/bazelbuild/bazel).
+function release_to_github() {
+  local url="${GIT_REPOSITORY_URL}"
+  local release_name=$(get_release_name)
+  local rc=$(get_release_candidate)
+  local release_tool="${GITHUB_RELEASE:-$(which github-release 2>/dev/null || echo release-tool-not-found)}"
+
+  if [ "${release_tool}" = "release-tool-not-found" ]; then
     echo "Please set GITHUB_RELEASE to the path to the github-release binary." >&2
     echo "This probably means you haven't installed https://github.com/c4milo/github-release " >&2
     echo "on this machine." >&2
@@ -221,25 +223,24 @@ _Security_: All our binaries are signed with our
   if [ -n "${release_name}" ] && [ -z "${rc}" ]; then
     mkdir -p "${tmpdir}/to-github"
     cp "${@}" "${tmpdir}/to-github"
-    "${GITHUB_RELEASE}" "${github_repo}" "${release_name}" "" "# $(git_commit_msg) ${gpl_warning}" "${tmpdir}/to-github/"'*'
+    "${release_tool}" "${github_repo}" "${release_name}" "" "$(get_release_page)" "${tmpdir}/to-github/"'*'
   fi
 }
 
 # Creates an index of the files contained in folder $1 in mardown format
 function create_index_md() {
-  # First, add the README.md
-  local file=$1/__temp.md
-  if [ -f $1/README.md ]; then
-    cat $1/README.md
+  # First, add the release notes
+  get_release_page
+  # Build log
+  if [ -f $1/build.log ]; then
+    echo
+    echo " [Build log](build.log)"
+    echo
   fi
   # Then, add the list of files
   echo
   echo "## Index of files"
   echo
-  # Security notice
-  echo "_Security_: All our binaries are signed with our"
-  echo "[public key](https://bazel.build/bazel-release.pub.gpg) 48457EE0."
-  echo
   for f in $1/*.sha256; do  # just list the sha256 ones
     local filename=$(basename $f .sha256);
     echo " - [${filename}](${filename}) [[SHA-256](${filename}.sha256)] [[SIG](${filename}.sig)]"
@@ -411,9 +412,8 @@ function release_to_apt() {
 # A wrapper around the release deployment methods.
 function deploy_release() {
   local github_args=()
-  # Filters out README.md for github releases
   for i in "$@"; do
-    if ! ( [[ "$i" =~ README.md$ ]] || [[ "$i" =~ bazel.dsc ]] || [[ "$i" =~ bazel.tar.gz ]] || [[ "$i" =~ .nobuild$ ]] ) ; then
+    if ! ( [[ "$i" =~ build.log ]] || [[ "$i" =~ bazel.dsc ]] || [[ "$i" =~ bazel.tar.gz ]] || [[ "$i" =~ .nobuild$ ]] ) ; then
       github_args+=("$i")
     fi
   done
@@ -443,7 +443,6 @@ function deploy_release() {
 #   RELEASE_EMAIL_SUBJECT: the subject of the email to be sent
 #   RELEASE_EMAIL_CONTENT: the content of the email to be sent
 function bazel_release() {
-  local README=$2/README.md
   tmpdir=$(mktemp -d ${TMPDIR:-/tmp}/tmp.XXXXXXXX)
   trap 'rm -fr ${tmpdir}' EXIT
   ensure_gpg_secret_key_imported
@@ -455,7 +454,7 @@ function bazel_release() {
     for file in $folder/*; do
       local filename=$(basename $file)
       if [ "$filename" != README.md ]; then
-          if [ "$filename" == "bazel.dsc" ] || [ "$filename" == "bazel.tar.gz" ] \
+        if [ "$filename" == "bazel.dsc" ] || [ "$filename" == "bazel.tar.gz" ] \
                  || [[ "$filename" =~ bazel-(.*)-dist\.zip ]]  ; then
           local destfile=${tmpdir}/$filename
         elif [[ "$file" =~ /([^/]*)(\.[^\./]+)$ ]]; then
@@ -473,7 +472,7 @@ function bazel_release() {
       fi
     done
   done
-  deploy_release $README $(find ${tmpdir} -type f)
+  deploy_release $(find ${tmpdir} -type f)
 
   export RELEASE_EMAIL="$(generate_email)"