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lib/helpers: new function to set BASH_IT_HOMEBREW_PREFIX 

New function `_bash_it_homebrew_check()` sets global variable `$BASH_IT_HOMEBREW_PREFIX` using `brew --prefix` if `brew` exists as a valid command. If `brew` isn't installed, then return failure.

Plugins can test for `brew` by calling this function and, if it succeeds, they can rely on `$BASH_IT_HOMEBREW_PREFIX` being defined properly.
pull/1910/head
John D Pell 2021-08-08 00:54:27 -04:00
parent 226454b069
commit 9e255c2139
1 changed files with 13 additions and 0 deletions
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13
lib/helpers.bash
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@ -48,6 +48,19 @@ function _completion_exists ()
complete -p "$1" &> /dev/null && _log_warning "$msg" ; complete -p "$1" &> /dev/null && _log_warning "$msg" ;
} }
function _bash_it_homebrew_check()
{
if [[ "${BASH_IT_HOMEBREW_PREFIX:-unset}" == 'unset' ]]
then # variable isn't set
if _binary_exists 'brew'
then # Homebrew is installed
BASH_IT_HOMEBREW_PREFIX="$(brew --prefix)"
else # Homebrew is not installed.
false # return failure if brew not installed.
fi
fi
}
function _make_reload_alias() { function _make_reload_alias() {
echo "source \${BASH_IT}/scripts/reloader.bash ${1} ${2}" echo "source \${BASH_IT}/scripts/reloader.bash ${1} ${2}"
} }