28 lines
448 B
Bash
28 lines
448 B
Bash
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#!/usr/bin/env bash
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set -euo pipefail
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if [[ $# -lt 1 ]]; then
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echo "Usage: $0 \"Warning message to display\"" >&2
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exit 2
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fi
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msg="$1"
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# Require an interactive terminal
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if [[ ! -t 0 || ! -t 1 ]]; then
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echo "Interactive confirmation not possible (no TTY). Aborting." >&2
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exit 130
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fi
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echo "$msg"
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printf "Proceed? [y/N] "
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# shellcheck disable=SC2162
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read -r ans
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if [[ "$ans" =~ ^[yY]$ ]]; then
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exit 0
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else
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echo "Aborted."
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exit 130
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fi
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