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matrix-spec/scripts/generate-changelog.sh

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# /bin/bash
# Usage: ./scripts/generate-changelog.sh v1.2 "April 01, 2021"
# or: ./scripts/generate-changelog.sh vUNSTABLE
set -e
VERSION="$1"
DATE="$2"
cd `dirname $0`/../changelogs
# Pre-cleanup just in case it wasn't done on the last run
rm -f rendered.md
# Generate changelog
towncrier --yes
if [ "$VERSION" = "vUNSTABLE" ]; then
TITLE="Changes since last release"
LINKTITLE="Unstable"
FILENAME="unstable.md"
else
TITLE="$VERSION Changelog"
LINKTITLE="$VERSION"
FILENAME="$VERSION.md"
fi
{
# Prepare the header
# We include the generation date in the front matter so that we can use it
# to sort the changelogs at build time.
cat <<EOF
---
title: $TITLE
linkTitle: $LINKTITLE
type: docs
outputs:
- html
- checklist
date: $(date -Iseconds)
---
EOF
if [ "$VERSION" != "vUNSTABLE" ]; then
sed -e "s/VERSION/$1/g" -e "s/DATE/$2/g" header.md
fi
# Remove trailing whitespace (such as our intentionally blank RST headings)
sed -e "s/[ ]*$//" rendered.md
} > ../content/changelog/$FILENAME
# Cleanup
rm -v rendered.md