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#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: 2024-08-17 03:06:53 +0200 (Sat, 17 Aug 2024)
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#
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# https://github.com/HariSekhon/DevOps-Bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/HariSekhon
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#
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck disable=SC1090,SC1091
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. "$srcdir/lib/utils.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Replaces the index block of a given markdown file
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Uses the adjacent script markdown_generate_index.sh
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Requires the markdown file to have lines with
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<!-- INDEX_START -->
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and
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<!-- INDEX_END -->
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lines to demark the index block
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If no file is given but README.md is found in the \$PWD, then uses that
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="[<README.md>]"
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help_usage "$@"
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max_args 1 "$@"
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markdown_file="${1:-README.md}"
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index_tmp="$(mktemp)"
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markdown_tmp="$(mktemp)"
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if ! [ -f "$markdown_file" ]; then
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die "File not found: $markdown_file"
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fi
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# check the tags existing in the markdown file otherwise we can't do anything
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for x in INDEX_START INDEX_END; do
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if ! grep -q "<!--.*$x.*-->" "$markdown_file"; then
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die "Markdown file '$markdown_file' is missing the index boundary comment <!--.*$x.*-->"
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fi
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done
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timestamp "Generating new index for file: $markdown_file"
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"$srcdir/markdown_generate_index.sh" "$markdown_file" > "$index_tmp"
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timestamp "Replacing index in file: $markdown_file"
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sed -n "
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1,/INDEX_START/p
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/INDEX_START/,/INDEX_END/ {
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/INDEX_START/ {
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r $index_tmp
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}
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}
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/INDEX_END/,$ p
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" "$markdown_file" > "$markdown_tmp"
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mv -f "$markdown_tmp" "$markdown_file"
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rm -f "$index_tmp"
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timestamp "Replaced index in file: $markdown_file"
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