40 lines
704 B
Bash
40 lines
704 B
Bash
#!/usr/bin/env bash
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set -euo pipefail
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if [ "$#" -ne 3 ]; then
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echo "usage: $0 <tag> <changelog> <output>" >&2
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exit 2
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fi
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tag="$1"
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changelog="$2"
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output="$3"
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if [ ! -f "$changelog" ]; then
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echo "changelog does not exist: $changelog" >&2
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exit 1
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fi
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mkdir -p "$(dirname "$output")"
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if ! awk -v heading="## ${tag}" '
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$0 == heading { found = 1; next }
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found && /^## / { exit }
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found { print }
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END {
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if (!found) {
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exit 3
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}
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}
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' "$changelog" > "$output"; then
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rm -f "$output"
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echo "release notes section is missing: ## ${tag}" >&2
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exit 1
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fi
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if ! grep -q '[^[:space:]]' "$output"; then
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rm -f "$output"
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echo "release notes section is empty: ## ${tag}" >&2
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exit 1
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fi
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