Files

167 lines
4.8 KiB
Bash
Executable File

#!/bin/sh
# Shared release version and CHANGELOG helpers. This file is sourced by the
# local release command, the CI contract, and mirror publishing so every stage
# agrees on what "prerelease" and "stable" mean.
release_stable_pattern='^v(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)$'
release_prerelease_pattern='^v(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)-beta\.[1-9][0-9]*$'
release_is_stable_version() {
printf '%s\n' "$1" | grep -Eq "$release_stable_pattern"
}
release_is_prerelease_version() {
printf '%s\n' "$1" | grep -Eq "$release_prerelease_pattern"
}
release_channel_for_version() {
_rcfv_version="$1"
if release_is_stable_version "$_rcfv_version"; then
printf '%s\n' stable
return 0
fi
if release_is_prerelease_version "$_rcfv_version"; then
printf '%s\n' prerelease
return 0
fi
printf 'invalid release version: %s (expected vX.Y.Z or vX.Y.Z-beta.N)\n' "$_rcfv_version" >&2
return 1
}
release_validate_version_channel() {
_rvvc_expected="$1"
_rvvc_version="$2"
case "$_rvvc_expected" in
stable|prerelease) ;;
*)
printf 'invalid release channel: %s (expected prerelease or stable)\n' "$_rvvc_expected" >&2
return 1
;;
esac
_rvvc_actual="$(release_channel_for_version "$_rvvc_version")" || return 1
if [ "$_rvvc_actual" != "$_rvvc_expected" ]; then
printf 'release channel/version mismatch: channel=%s version=%s\n' "$_rvvc_expected" "$_rvvc_version" >&2
return 1
fi
}
release_semver() {
printf '%s\n' "${1#v}"
}
release_core_tag() {
_rct_version="$1"
printf '%s\n' "${_rct_version%%-beta.*}"
}
release_beta_number() {
printf '%s\n' "${1##*.}"
}
release_core_is_greater() {
_rcig_candidate="$(release_core_tag "$1")"
_rcig_baseline="$(release_core_tag "$2")"
_rcig_candidate="${_rcig_candidate#v}"
_rcig_baseline="${_rcig_baseline#v}"
awk -v candidate="$_rcig_candidate" -v baseline="$_rcig_baseline" 'BEGIN {
split(candidate, c, ".")
split(baseline, b, ".")
for (i = 1; i <= 3; i++) {
if ((c[i] + 0) > (b[i] + 0)) exit 0
if ((c[i] + 0) < (b[i] + 0)) exit 1
}
exit 1
}'
}
release_version_is_greater() {
_rvig_candidate="$1"
_rvig_baseline="$2"
_rvig_candidate_channel="$(release_channel_for_version "$_rvig_candidate")" || return 1
_rvig_baseline_channel="$(release_channel_for_version "$_rvig_baseline")" || return 1
if release_core_is_greater "$_rvig_candidate" "$_rvig_baseline"; then
return 0
fi
if release_core_is_greater "$_rvig_baseline" "$_rvig_candidate"; then
return 1
fi
if [ "$_rvig_candidate_channel" = "stable" ] && [ "$_rvig_baseline_channel" = "prerelease" ]; then
return 0
fi
if [ "$_rvig_candidate_channel" = "prerelease" ] && [ "$_rvig_baseline_channel" = "prerelease" ]; then
[ "$(release_beta_number "$_rvig_candidate")" -gt "$(release_beta_number "$_rvig_baseline")" ]
return
fi
return 1
}
# Extract one exact CHANGELOG section (without its H2 heading) and validate that
# it is dated, unique, non-placeholder content with at least one bullet.
release_extract_changelog() {
_rec_changelog="$1"
_rec_semver="$2"
_rec_output="$3"
_rec_tmp="$(mktemp "${TMPDIR:-/tmp}/dws-release-notes.XXXXXX")"
set +e
awk -v wanted="$_rec_semver" '
BEGIN {
prefix = "## [" wanted "] - "
found = 0
active = 0
invalid_date = 0
meaningful = 0
bullet = 0
placeholder = 0
}
/^## / {
active = 0
if (index($0, prefix) == 1) {
found++
active = 1
date = substr($0, length(prefix) + 1)
if (date !~ /^[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]$/) invalid_date = 1
}
next
}
active {
print
if ($0 ~ /[^[:space:]]/) meaningful = 1
if ($0 ~ /^- /) bullet = 1
if ($0 ~ /(^|[^[:alnum:]_])(TODO|TBD)([^[:alnum:]_]|$)/) placeholder = 1
}
END {
if (found != 1) exit 41
if (invalid_date) exit 42
if (!meaningful || !bullet) exit 43
if (placeholder) exit 44
}
' "$_rec_changelog" > "$_rec_tmp"
_rec_status=$?
set -e
case "$_rec_status" in
0) ;;
41) printf 'CHANGELOG must contain exactly one section: ## [%s] - YYYY-MM-DD\n' "$_rec_semver" >&2 ;;
42) printf 'CHANGELOG section for %s has an invalid date\n' "$_rec_semver" >&2 ;;
43) printf 'CHANGELOG section for %s must contain release notes and at least one bullet\n' "$_rec_semver" >&2 ;;
44) printf 'CHANGELOG section for %s still contains TODO/TBD placeholders\n' "$_rec_semver" >&2 ;;
*) printf 'failed to parse CHANGELOG section for %s\n' "$_rec_semver" >&2 ;;
esac
if [ "$_rec_status" -ne 0 ]; then
rm -f "$_rec_tmp"
return "$_rec_status"
fi
if [ "$_rec_output" = "-" ]; then
cat "$_rec_tmp"
else
mkdir -p "$(dirname "$_rec_output")"
mv "$_rec_tmp" "$_rec_output"
_rec_tmp=""
fi
[ -z "$_rec_tmp" ] || rm -f "$_rec_tmp"
}