#!/usr/bin/env bash

# This script should be used for calling a vote for a release candidate.
# In addition to publishing the source tarball to svn repo this script
# also deploys the corresponding jar to a staging Maven repo.

set -e

# Use 'atexit' for cleanup.
source $(dirname ${0})/atexit.sh

# Use colors for errors.
source $(dirname ${0})/colors.sh

test $(#) -eq 2 || \
  do { echo "Usage: $[basename $(0)] [version] [candidate]"; exit 1; }

setglobal VERSION = $(1)
setglobal CANDIDATE = $(2)
setglobal TAG = ""$(VERSION)-rc$(CANDIDATE)""

echo "$(GREEN)Voting for mesos-$(VERSION) candidate $(CANDIDATE)$(NORMAL)"

read -p "Hit enter to continue ... "

setglobal MESOS_GIT_URL = '"https://git-wip-us.apache.org/repos/asf/mesos.git'"

setglobal WORK_DIR = $[mktemp -d /tmp/mesos-vote-XXXX]
atexit "rm -rf $(WORK_DIR)"

pushd $(WORK_DIR)

echo "$(GREEN)Checking out $(TAG)$(NORMAL)"

# First checkout the release tag.
git clone --depth 1 --branch $(TAG) $(MESOS_GIT_URL)

pushd mesos

# Ensure configure.ac has the correct version.
grep "\[mesos\], \[$(VERSION)\]" configure.ac

# Build mesos.
./bootstrap
mkdir build
pushd build
../configure --disable-optimize

# First build the protobuf compiler.
# TODO(vinod): This is short term fix for MESOS-959.
pushd 3rdparty
make -j3
popd

# Build and deploy the jar.
make -j3 maven-install
mvn deploy -f src/java/mesos.pom

echo "$(GREEN)Successfully deployed the jar to staging maven repository ...$(NORMAL)"

# Loop here until the user enters a URL.
setglobal MAVEN_REPO = ''""
while test -z $(MAVEN_REPO) {
  read  -p "Please *close* the staging repository and provide its URL here: " MAVEN_REPO
}

# Build the distribution.
echo "$(GREEN)Building the distribution ...$(NORMAL)"
make -j3 dist

setglobal TARBALL = "mesos-$(VERSION).tar.gz"

echo "$(GREEN)Signing the distribution ...$(NORMAL)"

# Sign the tarball.
gpg --armor --output $(TARBALL).asc --detach-sig $(TARBALL)

echo "$(GREEN)Creating a MD5 checksum...$(NORMAL)"

# Create MD5 checksum.
gpg --print-md MD5 $(TARBALL) > $(TARBALL).md5

setglobal SVN_DEV_REPO = '"https://dist.apache.org/repos/dist/dev/mesos'"
setglobal SVN_DEV_LOCAL = ""$(WORK_DIR)/dev""

echo "$(GREEN)Checking out svn dev repo ...$(NORMAL)"

# Note '--depth=empty' ensures none of the existing files
# in the repo are checked out, saving time and space.
svn co --depth=empty $(SVN_DEV_REPO) $(SVN_DEV_LOCAL)

echo "$(GREEN)Uploading the artifacts (the distribution," \
  "signature, and MD5) ...$(NORMAL)"

setglobal RELEASE_DIRECTORY = ""$(SVN_DEV_LOCAL)/$(TAG)""
mkdir $(RELEASE_DIRECTORY)
mv $(TARBALL) $(TARBALL).asc $(TARBALL).md5 $(RELEASE_DIRECTORY)

popd # build
popd # mesos

pushd $(SVN_DEV_LOCAL)

svn add $(TAG)
svn commit -m "Adding mesos-$(TAG)."

popd # ${SVN_DEV_LOCAL}

popd # ${WORK_DIR}

echo "$(GREEN)Success! Now send the following VOTE email ...$(NORMAL)"

# Create the email body template to be sent to {dev,user}@mesos.apache.org.
setglobal MESSAGE = $[cat << """
To: dev@mesos.apache.org, user@mesos.apache.org
Subject: [VOTE] Release Apache Mesos $(VERSION) (rc$(CANDIDATE))

Hi all,

Please vote on releasing the following candidate as Apache Mesos $(VERSION).


$(VERSION) includes the following:
--------------------------------------------------------------------------------
*****Announce major features here*****
*****Announce major bug fixes here*****

The CHANGELOG for the release is available at:
https://git-wip-us.apache.org/repos/asf?p=mesos.git;a=blob_plain;f=CHANGELOG;hb=$(TAG)
--------------------------------------------------------------------------------

The candidate for Mesos $(VERSION) release is available at:
$(SVN_DEV_REPO)/$(TAG)/$(TARBALL)

The tag to be voted on is $(TAG):
https://git-wip-us.apache.org/repos/asf?p=mesos.git;a=commit;h=$(TAG)

The MD5 checksum of the tarball can be found at:
$(SVN_DEV_REPO)/$(TAG)/$(TARBALL).md5

The signature of the tarball can be found at:
$(SVN_DEV_REPO)/$(TAG)/$(TARBALL).asc

The PGP key used to sign the release is here:
https://dist.apache.org/repos/dist/release/mesos/KEYS

The JAR is up in Maven in a staging repository here:
$(MAVEN_REPO)

Please vote on releasing this package as Apache Mesos $(VERSION)!

The vote is open until $[date -v+3d] and passes if a majority of at least 3 +1 PMC votes are cast.

[ ] +1 Release this package as Apache Mesos $(VERSION)
[ ] -1 Do not release this package because ...

Thanks,
"""
]

echo $(MESSAGE)

exit 0