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Merge pull request #6001 from thaJeztah/tweak_prompt

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Dockerfile: fix and clean up shell prompt
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Sebastiaan van Stijn 2025-04-11 16:53:28 +02:00 committed by GitHub
commit 3372bcf821
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1 changed files with 22 additions and 3 deletions
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dockerfiles/Dockerfile.dev
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@ -47,9 +47,28 @@ RUN apk add --no-cache \
jq \
nano
RUN echo -e "\nYou are now in a development container. Run '\e\033[1mmake help\e\033[0m' to learn about\navailable make targets.\n" > /etc/motd \
&& echo -e "cat /etc/motd\nPS1=\"\e[0;32m\u@docker-cli-dev\\$ \e[0m\"" >> /root/.bashrc \
&& echo -e "source /etc/bash/bash_completion.sh" >> /root/.bashrc
RUN <<-'EOF'
cat > /etc/motd <<-'EOM'
\e[1;32mYou are now in a development container.\e[0m
Run \e[1;36mmake help\e[0m to see available targets.
EOM
cat >> /root/.bashrc <<-'EOB'
# print the MOTD when opening the dev-container (interactive shell only).
if [[ $- == *i* ]] && [[ -z "$MOTD_SHOWN" ]]; then
printf "%b\n" "$(cat /etc/motd)"
export MOTD_SHOWN=1
fi
# set a custom prompt to make it more visible when inside the dev-container.
PS1='\[\e[0;32m\]\u@docker-cli-dev\$ \[\e[0m\]'
# set-up bash completion for testing.
source /etc/bash/bash_completion.sh
EOB
EOF
CMD ["/bin/bash"]
ENV DISABLE_WARN_OUTSIDE_CONTAINER=1
ENV PATH=$PATH:/go/src/github.com/docker/cli/build