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-rw-r--r--docker/Dockerfile3
1 files changed, 3 insertions, 0 deletions
diff --git a/docker/Dockerfile b/docker/Dockerfile
index d9296a91..2733a32a 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -334,6 +334,9 @@ RUN rm -rf /tmp/*
# Remove cleanup script so that in-container apt-get install uses cache
RUN rm /etc/apt/apt.conf.d/clean
+# Add cache once as it is needed by some builds in GitHub Actions
+RUN apt-get update
+
# Disable mouse in vim
RUN printf "set mouse=\nset ttymouse=\n" > /etc/vim/vimrc.local