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install.sh: check for file that prevents Homebrew installation.

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Add support for a `/etc/homebrew/brew.no_install` file that can be used
to prevent running the Homebrew installation script and optionally
provide a message to the user.
This commit is contained in:
Mike McQuaid 2025-05-09 16:34:06 +01:00
parent e831048c83
commit 956abfa01f
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1 changed files with 12 additions and 0 deletions
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install.sh
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@ -39,6 +39,18 @@ then
abort 'Bash must not run in POSIX mode. Please unset POSIXLY_CORRECT and try again.'
fi
# Check for file that prevents Homebrew installation
if [[ -f "/etc/homebrew/brew.no_install" ]]
then
BREW_NO_INSTALL="$(cat "/etc/homebrew/brew.no_install" 2>/dev/null)"
if [[ -n "${BREW_NO_INSTALL}" ]]
then
abort "Homebrew cannot be installed because ${BREW_NO_INSTALL}."
else
abort "Homebrew cannot be installed because /etc/homebrew/brew.no_install exists!"
fi
fi
# string formatters
if [[ -t 1 ]]
then