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lix/maintainers/release-notes
eldritch horrors e8a488236c Merge pull request from hercules-ci/changelog-d
Automatically compile hand-written release notes with `changelog-d`

(cherry picked from commit 928f0c13414d20c1af88b30bd6700fd730ee0bab)
Change-Id: Ia0685835c52edf185b64dd696b19305746c077e5
2024-03-04 07:11:19 +01:00

179 lines
4.4 KiB
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#!/usr/bin/env nix-shell
#!nix-shell -i bash ../shell.nix -I nixpkgs=channel:nixos-unstable-small
# ^^^^^^^
# Only used for bash. shell.nix goes to the flake.
# --- CONFIGURATION ---
# This does double duty for
# - including rl-next
# - marking where to insert new links (right after)
SUMMARY_MARKER_LINE='{{#include ./SUMMARY-rl-next.md}}'
# --- LIB ---
log() {
echo 1>&2 "release-notes:" "$@"
}
logcmd() {
local cmd="$1"
shift
logcmd2 "$cmd" "${*@Q}" "$cmd" "$@"
}
logcmd2() {
local fakecmd="$1"
local fakeargs="$2"
shift
shift
printf 1>&2 "release-notes: \033[34;1m$fakecmd\033[0m "
echo "$fakeargs" 1>&2
"$@"
}
die() {
# ANSI red
printf 1>&2 "release-notes: \033[31;1merror:\033[0m"
echo 1>&2 "" "$@"
exit 1
}
confirm() {
local answer
echo 1>&2 "$@" "[y/n]"
read -r answer
case "$answer" in
y|Y|yes|Yes|YES)
return 0
;;
n|N|no|No|NO)
return 1
;;
*)
echo 1>&2 "please answer y or n"
confirm "$@"
;;
esac
}
report_done() {
logcmd2 "git" "show" git -c pager.show=false show
printf 1>&2 "release-notes: \033[32;1mdone\033[0m\n"
}
# --- PARSE ARGS ---
if [[ $# -gt 0 ]]; then
die "Release notes takes no arguments, but make sure to set VERSION."
fi
# --- CHECKS ---
if [[ ! -e flake.nix ]] || [[ ! -e .git ]]; then
die "must run in repo root"
exit 1
fi
# repo must be clean
if ! git diff --quiet; then
die "repo is dirty, please commit or stash changes"
fi
if ! git diff --quiet --cached; then
die "repo has staged changes, please commit or stash them"
fi
if ! grep "$SUMMARY_MARKER_LINE" doc/manual/src/SUMMARY.md.in >/dev/null; then
# would have been nice to catch this early, but won't be worth the extra infra
die "SUMMARY.md.in is missing the marker line '$SUMMARY_MARKER_LINE', which would be used for inserting a new release notes page. Please fix the script."
fi
if [[ ! -n "${VERSION:-}" ]]; then
die "please set the VERSION environment variable before invoking this script"
exit 1
fi
# version_major_minor: MAJOR.MINOR
# version_full: MAJOR.MINOR.PATCH
# IS_PATCH: true if this is a patch release; append instead of create
if grep -E '^[0-9]+\.[0-9]+$' <<< "$VERSION" >/dev/null; then
log 'is minor'
IS_PATCH=false
version_full="$VERSION.0"
version_major_minor="$VERSION"
elif grep -E '^[0-9]+\.[0-9]+\.0$' <<< "$VERSION" >/dev/null; then
log 'is minor (.0)'
IS_PATCH=false
version_full="$VERSION"
version_major_minor="$(echo "$VERSION" | sed -e 's/\.0$//')"
elif grep -E '^[0-9]+\.[0-9]+\.[0-9]+$' <<< "$VERSION" >/dev/null; then
log 'is patch'
IS_PATCH=true
version_full="$VERSION"
version_major_minor="$(echo "$VERSION" | sed -e 's/\.[0-9]*$//')"
else
die "VERSION must be MAJOR.MINOR[.PATCH], where each is a number, e.g. 2.20 or 2.20.1 (VERSION was set to $VERSION)"
fi
unset VERSION
log "version_major_minor=$version_major_minor"
log "version_full=$version_full"
log "IS_PATCH=$IS_PATCH"
basename=rl-${version_major_minor}.md
file=doc/manual/src/release-notes/$basename
if ! $IS_PATCH; then
if [[ -e $file ]]; then
die "release notes file $file already exists. If you'd like to make a minor release, pass a patch version, e.g. 2.20.1"
fi
fi
# --- DEFAULTS ---
if [[ ! -n "${DATE:-}" ]]; then
DATE="$(date +%Y-%m-%d)"
log "DATE not set, using $DATE"
fi
case "$DATE" in
[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9])
;;
*)
die "DATE must be YYYY-MM-DD, e.g. 2021-12-31 (DATE was set to $DATE)"
;;
esac
# --- DO THE WORK ---
# menu
title="Release $version_major_minor ($DATE)"
# section on page
section_title="Release $version_full ($DATE)"
(
# TODO add minor number, and append?
echo "# $section_title"
echo
changelog-d doc/manual/rl-next | sed -e 's/ *$//'
) | tee -a $file
log "Wrote $file"
if ! $IS_PATCH; then
NEW_SUMMARY_LINE=" - [$title](release-notes/$basename)"
# find the marker line, insert new link after it
escaped_marker="$(echo "$SUMMARY_MARKER_LINE" | sed -e 's/\//\\\//g' -e 's/ /\\ /g')"
escaped_line="$(echo "$NEW_SUMMARY_LINE" | sed -e 's/\//\\\//g' -e 's/ /\\ /g')"
logcmd sed -i -e "/$escaped_marker/a $escaped_line" doc/manual/src/SUMMARY.md.in
fi
for f in doc/manual/rl-next/*.md; do
if [[ config != "$(basename $f)" ]]; then
logcmd git rm $f
fi
done
logcmd git add $file doc/manual/src/SUMMARY.md.in
logcmd git status
logcmd git commit -m "release notes: $version_full"
report_done