X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/438c39ee7bef019d33e90a6de9313381abacae68..d1b1a36ca2c71c7bc60f603d43755ba828af3666:/build/package-build-dockerfiles/ubuntu1804/Dockerfile?ds=sidebyside

diff --git a/build/package-build-dockerfiles/ubuntu1804/Dockerfile b/build/package-build-dockerfiles/ubuntu1804/Dockerfile
index ed2ca49541..9b20b41a4e 100644
--- a/build/package-build-dockerfiles/ubuntu1804/Dockerfile
+++ b/build/package-build-dockerfiles/ubuntu1804/Dockerfile
@@ -3,6 +3,7 @@
 # SPDX-License-Identifier: AGPL-3.0
 
 ARG HOSTTYPE
+ARG BRANCH
 
 FROM ubuntu:bionic as build_x86_64
 # Install go
@@ -40,8 +41,8 @@ ADD generated/pkuczynski.asc /tmp/
 RUN gpg --import --no-tty /tmp/mpapis.asc && \
     gpg --import --no-tty /tmp/pkuczynski.asc && \
     curl -L https://get.rvm.io | bash -s stable && \
-    /usr/local/rvm/bin/rvm install 2.5 -j $(grep -c processor /proc/cpuinfo) && \
-    /usr/local/rvm/bin/rvm alias create default ruby-2.5 && \
+    /usr/local/rvm/bin/rvm install 2.7 -j $(grep -c processor /proc/cpuinfo) && \
+    /usr/local/rvm/bin/rvm alias create default ruby-2.7 && \
     echo "gem: --no-document" >> ~/.gemrc && \
     /usr/local/rvm/bin/rvm-exec default gem install bundler --version 2.2.19 && \
     /usr/local/rvm/bin/rvm-exec default gem install fpm --version 1.10.2
@@ -50,7 +51,12 @@ RUN /usr/local/rvm/bin/rvm-exec default bundle config --global jobs $(let a=$(gr
 # Cf. https://build.betterup.com/one-weird-trick-that-will-speed-up-your-bundle-install/
 ENV MAKE "make --jobs $(grep -c processor /proc/cpuinfo)"
 
+# Preseed the go module cache and the ruby gems, using the currently checked
+# out branch of the source tree. This avoids potential compatibility issues
+# between the version of Ruby and certain gems.
 RUN git clone --depth 1 git://git.arvados.org/arvados.git /tmp/arvados && \
+    cd /tmp/arvados && \
+    if [[ -n "${BRANCH}" ]]; then git checkout ${BRANCH}; fi && \
     cd /tmp/arvados/services/api && \
     /usr/local/rvm/bin/rvm-exec default bundle install && \
     cd /tmp/arvados/apps/workbench && \