[CI] Drop alert shortcode and update build log check script (#8482)

Author: chalin

.warnings-skip-list.txt

@@ -1,5 +1,13 @@
 _filename-error
 The following package was not found and will be installed
+
+# Ignore warnings that first appeared in:
+#
+# - https://github.com/open-telemetry/opentelemetry.io/pull/8469
+#
+# Drop once Hugo is fixed, via https://github.com/gohugoio/hugo/issues/7982
+# or @chalin's PR (TBC).
+
 WARN  Failed to get translated string for language "pt" and ID "community_introduce": %!s(<nil>)
 WARN  Failed to get translated string for language "pt" and ID "community_learn": %!s(<nil>)
 WARN  Failed to get translated string for language "pt" and ID "community_using": %!s(<nil>)
@@ -23,4 +31,4 @@ WARN  Failed to get translated string for language "pt" and ID "feedback_questio
 WARN  Failed to get translated string for language "pt" and ID "feedback_positive": %!s(<nil>)
 WARN  Failed to get translated string for language "pt" and ID "feedback_negative": %!s(<nil>)
 WARN  Failed to get translated string for language "pt" and ID "ui_pager_prev": %!s(<nil>)
-WARN  Failed to get translated string for language "pt" and ID "ui_pager_next": %!s(<nil>)
+WARN  Failed to get translated string for language "pt" and ID "ui_pager_next": %!s(<nil>)

config/_default/hugo.yaml

@@ -42,7 +42,7 @@ languages:
         docker-compose-v2: |
           `docker-compose` は非推奨です. 詳細は、
           [Migrate to Compose V2](https://docs.docker.com/compose/migrate/) を確認してください。
-  pt: # cSpell:ignore Português Projeto
+  pt:
     languageName: Português
     languageCode: pt-BR
     params:

i18n/en.toml

@@ -1,3 +1,13 @@
+# Blockquote alert types
+# https://gohugo.io/render-hooks/blockquotes/#alerts
+# TODO: Upstream to Docsy
+
+caution= "Caution"
+important = "Important"
+note = "Note"
+tip = "Tip"
+warning = "Warning"
+
 # Docsy overrides
 
 [ui_search]

layouts/_shortcodes/alert.html

@@ -5,17 +5,24 @@
 
 BUILD_LOG=tmp/build-log.txt
 WARNINGS_SKIP_LIST=.warnings-skip-list.txt
+WARNING_OR_ERROR_REGEX='warn(ing)?|error'
 
-WARNINGS=`grep -E -ie 'warn(ing)?|error' $BUILD_LOG | grep -v -f $WARNINGS_SKIP_LIST`
+echo "Checking for WARNINGs or ERRORs in build log at $BUILD_LOG"
+echo " > Using regex: /$WARNING_OR_ERROR_REGEX/i"
+echo " > Skipping warnings listed in $WARNINGS_SKIP_LIST"
+
+WARNINGS=`grep -E -ie $WARNING_OR_ERROR_REGEX $BUILD_LOG | grep -v -f <(grep -Ev '^(#|[[:space:]]*)$' $WARNINGS_SKIP_LIST 2>/dev/null || true)`
 
 if [ -e $BUILD_LOG ]; then
   if [ -n "$WARNINGS" ]; then
-    echo "WARNINGs or ERRORs found in build log:"
+    echo "Unexpected WARNINGs or ERRORs found in build log:"
     echo "$WARNINGS"
     echo
     echo "INFO: if this is run in the context of a GitHub job, you can see"
     echo "      the full build log output from the previous step."
     exit 1
+  else
+    echo "No WARNINGs or ERRORs found in build log."
   fi
 else
   echo "INFO: $BUILD_LOG file not found."