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doc: add install.sh --help. Fix #790 #794

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merged 5 commits into from
Jul 28, 2023
Merged

doc: add install.sh --help. Fix #790 #794

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92f67fa
doc: add `install.sh --help`. Fix #790
osalbahr Jul 27, 2023
ea868ee
doc: install.sh: clarify NONINTERACTIVE
osalbahr Jul 28, 2023
723dc19
doc: change $0 to install.sh
osalbahr Jul 28, 2023
08134d7
install.sh: remove commented-out `shift`
osalbahr Jul 28, 2023
f20d07f
install.sh: NONINTERACTIVE vs CI
osalbahr Jul 28, 2023
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22 changes: 22 additions & 0 deletions install.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,28 @@ then
abort 'Bash must not run in POSIX mode. Please unset POSIXLY_CORRECT and try again.'
fi

usage() {
cat <<EOS
Homebrew Installer
Usage: [NONINTERACTIVE=1] [CI=1] install.sh [options]
-h, --help Display this message.
NONINTERACTIVE Install without prompting for user input
CI Install in CI mode (e.g. do not prompt for user input)
EOS
exit "${1:-0}"
}

while [[ $# -gt 0 ]]
do
case "$1" in
-h | --help) usage ;;
*)
warn "Unrecognized option: '$1'"
usage 1
;;
esac
done

# string formatters
if [[ -t 1 ]]
then
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