ci: install Asciidoctor in 'ci/install-dependencies.sh'

diff --git a/ci/install-dependencies.sh b/ci/install-dependencies.sh
index d64667fcbfef80e4603d97f7825399dea5be0b6b..76ec308965dfaffbadcee47482c466863374ad2d 100755 (executable)
--- a/ci/install-dependencies.sh
+++ b/ci/install-dependencies.sh
@@ -54,6 +54,9 @@ StaticAnalysis)
 Documentation)
        sudo apt-get -q update
        sudo apt-get -q -y install asciidoc xmlto
+
+       test -n "$ALREADY_HAVE_ASCIIDOCTOR" ||
+       gem install asciidoctor
        ;;
 esac