servatrice/.ci/prep_release.sh
2022-10-31 23:26:26 +01:00

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#!/bin/bash
# sets the properties of ci releases
# this doesn't have to be 100% foolproof
# the releases are first made as drafts and will be vetted by a human
# it just has to provide a template
# this requires the repo to be unshallowed
# adds output to GITHUB_OUTPUT
template_path=".ci/release_template.md"
body_path="/tmp/release.md"
beta_regex='beta'
name_regex='set\(GIT_TAG_RELEASENAME "([[:print:]]+)")'
whitespace='^\s*$'
if [[ $1 ]]; then
TAG="$1"
fi
# check env
if [[ ! $TAG ]]; then
echo "::error file=$0::TAG is missing"
exit 2
fi
# create title
if [[ $TAG =~ $beta_regex ]]; then
echo "is_beta=yes" >>"$GITHUB_OUTPUT"
title="$TAG"
echo "creating beta release '$title'"
elif [[ ! $(cat CMakeLists.txt) =~ $name_regex ]]; then
echo "::error file=$0::could not find releasename in CMakeLists.txt"
exit 1
else
echo "is_beta=no" >>"$GITHUB_OUTPUT"
name="${BASH_REMATCH[1]}"
version="${TAG##*-}"
title="Cockatrice $version: $name"
no_beta=1
echo "friendly_name=$name" >>"$GITHUB_OUTPUT"
echo "creating full release '$title'"
fi
echo "title=$title" >>"$GITHUB_OUTPUT"
# add release notes template
if [[ $no_beta ]]; then
body="$(cat "$template_path")"
if [[ ! $body ]]; then
echo "::warning file=$0::could not find release template"
fi
body="${body//--REPLACE-WITH-RELEASE-TITLE--/$title}"
else
body="--REPLACE-WITH-COMMIT-COUNT-- commits have been included over the previous --REPLACE-WITH-PREVIOUS-RELEASE-TYPE--
<details>
<summary><b>show changes</b></summary>
--REPLACE-WITH-GENERATED-LIST--
</details>"
fi
# add git log to release notes
all_tags="
$(git tag)" # tags are ordered alphabetically
before="${all_tags%%
"$TAG"*}" # strip line with current tag an all lines after it
# note the extra newlines are needed to always have a last line
if [[ $all_tags == "$before" ]]; then
echo "::warning file=$0::could not find current tag"
else
while
previous="${before##*
}" # get the last line
# skip this tag if this is a full release and it's a beta or if empty
[[ $no_beta && $previous =~ $beta_regex || ! $previous ]]
do
beta_list+=" $previous" # add to list of skipped betas
next_before="${before%
*}" # strip the last line
if [[ $next_before == "$before" ]]; then
unset previous
break
fi
before="$next_before"
done
if [[ $previous ]]; then
if generated_list="$(git log "$previous..$TAG" --pretty="- %s")"; then
count="$(git rev-list --count "$previous..$TAG")"
[[ $previous =~ $beta_regex ]] && previousreleasetype="beta release" || previousreleasetype="full release"
echo "adding list of commits to release notes:"
echo "'$previous' to '$TAG' ($count commits)"
# --> is the markdown comment escape sequence, emojis are way better
generated_list="${generated_list//-->/→}"
body="${body//--REPLACE-WITH-GENERATED-LIST--/$generated_list}"
body="${body//--REPLACE-WITH-COMMIT-COUNT--/$count}"
body="${body//--REPLACE-WITH-PREVIOUS-RELEASE-TAG--/$previous}"
body="${body//--REPLACE-WITH-PREVIOUS-RELEASE-TYPE--/$previousreleasetype}"
if [[ $beta_list =~ $whitespace ]]; then
beta_list="-n there are no betas to delete!"
else
echo "the following betas should be deleted after publishing:"
echo "$beta_list"
fi
body="${body//--REPLACE-WITH-BETA-LIST--/$beta_list}"
else
echo "::warning file=$0::failed to produce git log"
fi
else
echo "::warning file=$0::could not find previous tag"
fi
fi
# write to file
echo "body_path=$body_path" >>"$GITHUB_OUTPUT"
echo "$body" >"$body_path"