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UltraGrid/.github/scripts/create_release.sh
2022-09-08 14:43:42 +02:00

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#!/bin/sh -eux
## == NEWS/FIXES.md processing description (release)
## NEWS: 1. first line is stripped; then all content is used until new line
## FIXES.md: if present, whole file is used
## both:
## a. if there is a line starting with space, it is appended to previous one (markdown)
## b. <NL> are replaced with '\n' (to create valid JSON)
## c. introductionary text ("Changes:" etc) is added to the string
## d. backlash in MD special escape sequences ('\_', \*') are escaped (again to gain valid JSON)
dir=$(dirname "$0")
# shellcheck source=/dev/null
. "$dir/json-common.sh"
# Joins line that starts with space to previous:
# https://www.gnu.org/software/sed/manual/html_node/Joining-lines.html
MERG_LN=':a ; $!N ; s/\n\s+/ / ; ta ; P ; D'
# https://unix.stackexchange.com/questions/114943/can-sed-replace-new-line-characters
REPL_NL=':a;N;$!ba;s/\n/\\n/g'
markdown_replaces='s/\\_/\\\\_/g;s/\\\*/\\\\*/g' # escape MD escape sequences
sudo apt install jq
URL=$(curl -S -H "Authorization: token $GITHUB_TOKEN" -X GET "https://api.github.com/repos/$GITHUB_REPOSITORY/releases/tags/$TAG" | jq -r '.url')
REQ=PATCH
if [ "$URL" = null ]; then # release doesn't yet exist
REQ=POST
URL=https://api.github.com/repos/$GITHUB_REPOSITORY/releases
fi
DATE=$(date -Iminutes)
if [ "$VERSION" = continuous ]; then
TITLE='continuous builds'
SUMMARY='Current builds from Git master branch. macOS alternative build is rebuilt daily, Linux ARM builds monthly. Archived builds can be found [here](https://frakira.fi.muni.cz/~xpulec/ug-nightly-archive/).'
PRERELEASE=true
else
TITLE="UltraGrid $VERSION"
FIXES=
if [ -f FIXES.md ]; then
TMP=$(mktemp)
sed -E "$MERG_LN" < FIXES.md | sed -e "$REPL_NL" > "$TMP"
F=$(cat "$TMP")
FIXES="### Fixes since last release:\n$F\n"
rm "$TMP"
fi
TMP=$(mktemp)
sed -e '1,2d' -e '/^$/q' < NEWS | sed -E "$MERG_LN" | sed -e "$REPL_NL" > "$TMP"
N=$(cat "$TMP")
SUMMARY=$(printf "%s" "### Changes:\n$N\n$FIXES\n**Full changelog:** https://github.com/$GITHUB_REPOSITORY/commits/$TAG" | sed -e "$markdown_replaces")
rm "$TMP"
PRERELEASE=false
fi
tmp=$(mktemp)
status=$(curl -S -H "Authorization: token $GITHUB_TOKEN" -X "$REQ" "$URL" -T - -o "$tmp" -w '%{http_code}' <<EOF
{
"tag_name": "$TAG", "name": "$TITLE",
"body": "Built $DATE\n\n$SUMMARY",
"draft": false, "prerelease": $PRERELEASE
}
EOF
)
check_status "$status" "$tmp"
rm "$tmp"