1#!/bin/bash
2# Copyright 2019 The Go Authors. All rights reserved.
3# Use of this source code is governed by a BSD-style
4# license that can be found in the LICENSE file.
5
6cd "$(git rev-parse --show-toplevel)"
7
8read -p "What is the next release version (e.g., 'v1.26.0')? " VERSION
9SEMVER_REGEX='^v\([0-9]*\)[.]\([0-9]*\)[.]\([0-9]*\)\([.a-zA-Z0-9A-Z-]*\)$'
10if ! [[ -z $(echo $VERSION | sed -e "s/$SEMVER_REGEX//") ]]; then
11 echo; echo "invalid: must be a semver string"; exit 1
12fi
13VERSION_MAJOR=$(echo $VERSION | sed -e "s/$SEMVER_REGEX/\1/")
14VERSION_MINOR=$(echo $VERSION | sed -e "s/$SEMVER_REGEX/\2/")
15VERSION_PATCH=$(echo $VERSION | sed -e "s/$SEMVER_REGEX/\3/")
16VERSION_PRERELEASE=$(echo $VERSION | sed -e "s/$SEMVER_REGEX/\4/")
17if ! [[ "$VERSION_MAJOR" =~ ^1$ ]]; then
18 echo; echo "invalid: major version must be 1"; exit 1
19fi
20if ! [[ -z $VERSION_PRERELEASE ]] && ! [[ "$VERSION_PRERELEASE" =~ ^-rc[.][0-9]+$ ]]; then
21 echo; echo "invalid: pre-release suffix must be empty or '-rc.X'"; exit 1
22fi
23VERSION_PRERELEASE=${VERSION_PRERELEASE#"-"} # trim possible leading dash
24
25function version_string() {
26 VERSION_STRING="v${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}"
27 if ! [[ -z $VERSION_PRERELEASE ]]; then
28 VERSION_STRING="${VERSION_STRING}-${VERSION_PRERELEASE}"
29 fi
30 echo $VERSION_STRING
31}
32
33read -p "Were there any changes to the generator that relies on new runtime functionality? " YN
34case $YN in
35[Yy]* )
36 read -p " What minor version of the runtime is required now? " GEN_VERSION
37 if ! [[ "$GEN_VERSION" =~ ^[0-9]+$ ]]; then echo; echo "invalid: must be an integer"; exit 1; fi;;
38[Nn]* ) ;;
39* ) echo; echo "invalid: must be 'yes' or 'no'"; exit 1;;
40esac
41
42read -p "Were there any dropped functionality in the runtime for old generated code? " YN
43case $YN in
44[Yy]* )
45 read -p " What minor version of the runtime is required now? " MIN_VERSION
46 if ! [[ "$MIN_VERSION" =~ ^[0-9]+$ ]]; then echo; echo "invalid: must be an integer"; exit 1; fi;;
47[Nn]* ) ;;
48* ) echo; echo "invalid: must be 'yes' or 'no'"; exit 1;;
49esac
50
51
52echo
53echo "Preparing changes to release $(version_string)."
54echo
55
56set -e
57
58# Create a new branch to contain the release changes.
59if [[ $(git branch --list release) ]]; then
60 echo "error: release branch already exists"; exit 1
61fi
62git codereview change release
63git codereview sync
64
65# Create commit for actual release.
66INPLACE='-i ""' # BSD version of sed expects argument after -i
67if [[ "$(sed --version)" == *"GNU"* ]]; then
68 INPLACE="-i" # GNU version of sed does not expect argument after -i
69fi
70sed $INPLACE -e "s/\(Minor *= *\)[0-9]*/\1$VERSION_MINOR/" internal/version/version.go
71sed $INPLACE -e "s/\(Patch *= *\)[0-9]*/\1$VERSION_PATCH/" internal/version/version.go
72sed $INPLACE -e "s/\(PreRelease *= *\)\"[^\"]*\"/\1\"$VERSION_PRERELEASE\"/" internal/version/version.go
73if ! [[ -z $GEN_VERSION ]]; then
74 sed $INPLACE -e "s/\(GenVersion *= *\)[0-9]*/\1$GEN_VERSION/" runtime/protoimpl/version.go
75fi
76if ! [[ -z $MIN_VERSION ]]; then
77 sed $INPLACE -e "s/\(MinVersion *= *\)[0-9]*/\1$MIN_VERSION/" runtime/protoimpl/version.go
78fi
79git commit -a -m "all: release $(version_string)"
80
81# Build release binaries.
82go test google.golang.org/protobuf -run='^TestIntegration$' -timeout=60m -count=1 "$@" -buildRelease
83
84# Create commit to start development after release.
85VERSION_PRERELEASE="${VERSION_PRERELEASE}.devel" # append ".devel"
86VERSION_PRERELEASE="${VERSION_PRERELEASE#"."}" # trim possible leading "."
87sed $INPLACE -e "s/\(PreRelease *= *\)\"[^\"]*\"/\1\"$VERSION_PRERELEASE\"/" internal/version/version.go
88git commit -a -m "all: start $(version_string)"
89
90echo
91echo "Release changes prepared. Additional steps:"
92echo " 1) Submit the changes:"
93echo " a. Mail out the changes: git mail HEAD"
94echo " b. Request a review on the changes and merge them."
95echo " 2) Tag a new release on GitHub:"
96echo " a. Write release notes highlighting notable changes."
97echo " b. Attach pre-compiled binaries as assets to the release."
98echo
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