storj/scripts/tag-release.sh
JT Olio eb1b1c434d scripts/tag-release.sh: libuplink release tagging (#2256)
* scripts/tag-release.sh: libuplink release tagging

a couple of arch review meetings ago we discussed how to make sure
that it is much easier to get the release defaults for binaries,
libraries, and so on. we already imperfectly solved the binary
problem with the release.sh script, but (until now!) have not solved
the problem of getting release defaults for people building from
source.

the solution we seemed to all prefer was to make sure our tagged
version commits check the release state into the source code.

this script aides in tagging commits with version tags and
updating the source defaults. it still plays nicely with
release.sh and our other build processes.

after this is merged we should configure github/go modules to
prefer people use one of our tags instead of master (which will
keep dev defaults).

Change-Id: I36c5c33a1bc90ec1685f59b05dde779090e252b6

* gofmt release.go

Change-Id: I6e968eff86230496e9cbddecd767ca8d8ff36ba4

* regex for version tag

Change-Id: Icaa6d753ffc962115d961bcabe9daed89b16430c

* added some docs

Change-Id: Ide624fab794ce849e3a3e7254fb038251bba0c71
2019-06-24 19:53:17 +02:00

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#!/usr/bin/env bash
## This script:
#
# 1) Makes sure the current git working tree is clean
# 2) Creates a release file that changes the build defaults to include
# a timestamp, a commit hash, a version number, and set the release
# flag to true.
# 3) commits that release file and tags it with the release version
# 4) resets the working tree back
#
# This script should be used instead of 'git tag' for Storj releases,
# so downstream users developing with Go 1.11+ style modules find code
# with our release defaults set instead of our dev defaults set.
#
set -eu
set -o pipefail
VERSION="${1-}"
if ! [[ "$VERSION" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
echo "usage: $0 vMAJOR.MINOR.PATCH"
exit 1
fi
cd "$(git rev-parse --show-toplevel)"
if [[ "$(git diff --stat)" != '' ]] || [[ -n "$(git status -s)" ]]; then
echo "git working tree unclean"
exit 1
fi
TIMESTAMP=$(date +%s)
COMMIT=$(git rev-parse HEAD)
cat > ./internal/version/release.go <<EOF
// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package version
func init() {
buildTimestamp = "$TIMESTAMP"
buildCommitHash = "$COMMIT"
buildVersion = "$VERSION"
buildRelease = "true"
}
EOF
gofmt -w -s ./internal/version/release.go
go install ./internal/version
git add ./internal/version/release.go >/dev/null
git commit -m "release $VERSION" >/dev/null
if git tag $VERSION; then
echo successfully created tag $VERSION
fi
git reset --hard $COMMIT >/dev/null