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Gracefully handle missing USER env var

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Prompted by https://github.com/Homebrew/install/pull/213
This commit is contained in:
Joe Horsnell 2019-07-01 17:25:25 +01:00
parent 6418230f8f
commit 19fd56468f
1 changed files with 5 additions and 0 deletions
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5
Library/Homebrew/brew.sh
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@ -4,6 +4,11 @@ then
export LC_ALL="en_US.UTF-8" export LC_ALL="en_US.UTF-8"
fi fi
# The USER env var is not guaranteed to be available, so fall back to id if not
# provided. We destructively set it in the environment to make it available to
# any sub-processes called.
export USER=${USER:-`id -un`}
# Where we store built products; a Cellar in HOMEBREW_PREFIX (often /usr/local # Where we store built products; a Cellar in HOMEBREW_PREFIX (often /usr/local
# for bottles) unless there's already a Cellar in HOMEBREW_REPOSITORY. # for bottles) unless there's already a Cellar in HOMEBREW_REPOSITORY.
if [[ -d "$HOMEBREW_REPOSITORY/Cellar" ]] if [[ -d "$HOMEBREW_REPOSITORY/Cellar" ]]