31 lines
812 B
Bash
31 lines
812 B
Bash
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#!/bin/sh
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set -o errexit # (-e) exit immediately if any command has a non-zero exit status
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set -o nounset # (-u) don't accept undefined variables
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#set -o xtrace # for debugging
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if [ -z "${1:-}" ]; then
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>&2 echo "The path to the user's trust store must be provided."
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>&2 echo "The default on GNU/Linux is ~/.config/lagrange/trusted.txt"
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exit 1
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fi
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dir="$(dirname "$0")" # directory where this script is
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trust_store=$(cat "$dir/trusted.txt") # script-generated trust store
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# Loop through user's trust store.
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while read -r line; do
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entry=$(echo "$line" | cut -d ' ' -f 1)
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# If this entry is not in the script-generated trust store, add it.
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if ! echo "$trust_store" | grep -qF "$entry"; then
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trust_store="$trust_store\n$line"
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fi
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done < "${1:-}"
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# Output to stdout.
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echo "$trust_store"
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