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Dockerfile: use relative paths when in the /home/linuxbrew directory

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Because the `WORKDIR` instruction specifies the home directory of the
`linuxbrew` user, there is no need to use absolute paths to reference
paths within the home directory, nor is there a need to call `cd` (this
is actually an anti-pattern [0]) to move into a subdirectory before
creating folders.

[0]: https://github.com/hadolint/hadolint/wiki/DL3003
This commit is contained in:
Benjamin Denhartog 2021-08-03 18:23:32 -06:00
parent 0e63fb8200
commit 65a755a160
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1 changed files with 16 additions and 9 deletions
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@ -37,15 +37,22 @@ COPY --chown=linuxbrew:linuxbrew . /home/linuxbrew/.linuxbrew/Homebrew
ENV PATH=/home/linuxbrew/.linuxbrew/bin:/home/linuxbrew/.linuxbrew/sbin:$PATH
WORKDIR /home/linuxbrew
# hadolint ignore=DL3003
RUN cd /home/linuxbrew/.linuxbrew \
&& mkdir -p bin etc include lib opt sbin share var/homebrew/linked Cellar \
&& ln -s ../Homebrew/bin/brew /home/linuxbrew/.linuxbrew/bin/ \
&& git -C /home/linuxbrew/.linuxbrew/Homebrew remote set-url origin https://github.com/Homebrew/brew \
&& git -C /home/linuxbrew/.linuxbrew/Homebrew fetch origin \
RUN mkdir -p \
.linuxbrew/bin \
.linuxbrew/etc \
.linuxbrew/include \
.linuxbrew/lib \
.linuxbrew/opt \
.linuxbrew/sbin \
.linuxbrew/share \
.linuxbrew/var/homebrew/linked \
.linuxbrew/Cellar \
&& ln -s ../Homebrew/bin/brew .linuxbrew/bin/brew \
&& git -C .linuxbrew/Homebrew remote set-url origin https://github.com/Homebrew/brew \
&& git -C .linuxbrew/Homebrew fetch origin \
&& HOMEBREW_NO_ANALYTICS=1 HOMEBREW_NO_AUTO_UPDATE=1 brew tap homebrew/core \
&& brew install-bundler-gems \
&& brew cleanup \
&& { git -C /home/linuxbrew/.linuxbrew/Homebrew config --unset gc.auto; true; } \
&& { git -C /home/linuxbrew/.linuxbrew/Homebrew config --unset homebrew.devcmdrun; true; } \
&& rm -rf ~/.cache
&& { git -C .linuxbrew/Homebrew config --unset gc.auto; true; } \
&& { git -C .linuxbrew/Homebrew config --unset homebrew.devcmdrun; true; } \
&& rm -rf .cache