74 lines
1.9 KiB
Bash
74 lines
1.9 KiB
Bash
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#!/usr/bin/env bash
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# Vendored from heavy-duty/ceremony 0.6.3:
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# lib/changelog.sh (changelog_section + changelog_section_problem)
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# bin/changelog-section
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set -euo pipefail
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changelog_section() {
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awk -v ver="$2" '
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/^## / { if (found) exit; found = ($2 == ver); next }
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found && !body && /^[[:space:]]*$/ { next }
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found { body = 1; print }
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' "$1"
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}
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changelog_section_problem() {
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local file="$1" ver="$2" notes problem
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if ! awk -v ver="$ver" '/^## / && $2 == ver { found = 1; exit } END { exit !found }' "$file"; then
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printf "no section for '%s'\n" "$ver"
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return 1
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fi
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[ "$ver" = "Unreleased" ] && return 0
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notes="$(changelog_section "$file" "$ver")"
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if ! printf '%s\n' "$notes" | awk '/^[[:space:]]*[-*][[:space:]]/ { found = 1; exit } END { exit !found }'; then
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printf "section '%s' has no entries — a heading is not an entry\n" "$ver"
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return 1
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fi
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problem="$(
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printf '%s\n' "$notes" | awk '
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/^### / {
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if (heading != "" && !entry) {
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reported = 1
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print heading
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exit
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}
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heading = $0
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entry = 0
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next
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}
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heading != "" && /^[[:space:]]*[-*][[:space:]]/ { entry = 1 }
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END {
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if (!reported && heading != "" && !entry) print heading
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}
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'
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)"
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if [ -n "$problem" ]; then
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printf "section '%s' has an empty heading: '%s'\n" "$ver" "$problem"
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return 1
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fi
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}
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ver="${1:-}"
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changelog="${2:-CHANGELOG.md}"
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if [ -z "$ver" ]; then
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echo "usage: changelog-section.sh <version> [<changelog>]" >&2
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exit 2
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fi
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[ -f "$changelog" ] || {
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echo "changelog-section: no such file: $changelog" >&2
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exit 1
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}
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if ! diagnosis="$(changelog_section_problem "$changelog" "$ver")"; then
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echo "changelog-section: $changelog has no publishable section for '$ver'" >&2
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printf 'changelog-section: %s\n' "$diagnosis" >&2
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exit 1
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fi
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notes="$(changelog_section "$changelog" "$ver")"
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printf '%s\n' "$notes"
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