#!/bin/bash
set -e

if [ -z "$1" ]; then
    echo usage: $0 TAG
    exit 1
fi

if [ -n "$(git tag -l $1)" ]; then
    echo $1 tag exists run
    echo "    " git tag -d $1
    exit 1
fi

# The submodule tagging screws up ./hack/update-codegen.sh so make sure the script find a valid
# semver tag
while true; do
    TAG=$(git describe --tags HEAD)
    if ! git tag -d "$TAG" 2>/dev/null; then
        break
    fi
done
git tag -d v0.0.0 2>/dev/null || true
git tag v0.0.0
trap "git tag -d v0.0.0 >/dev/null 2>&1" exit

buildDate=$(date -u '+%Y-%m-%dT%H:%M:%SZ')
versionFiles="
    staging/src/k8s.io/client-go/pkg/version/base.go
    staging/src/k8s.io/component-base/version/base.go
"

for i in $versionFiles; do
cat > $i << EOF
package version

const (
	// DefaultKubeBinaryVersion is the hard coded k8 binary version based on the latest K8s release.
	// It is supposed to be consistent with gitMajor and gitMinor, except for local tests, where gitMajor and gitMinor are "".
	// Should update for each minor release!
	DefaultKubeBinaryVersion = "1.31"
)

var (
	gitMajor = "1"
	gitMinor = "$(echo $1 | cut -f2 -d.)"
	gitVersion   = "$1"
	gitCommit    = "$(git rev-parse HEAD)"
	gitTreeState = "clean"
	buildDate = "$buildDate"
)
EOF
done

for i in ./cmd/*/; do
    stat $i/*.go >/dev/null 2>&1 || continue
    echo Building $i
    go build $i
done

git add $versionFiles
git commit -m $1
git tag $1
for i in staging/src/k8s.io/*; do
    git tag -d $i/$1 2>/dev/null || true
    git tag $i/$1
done

for i in staging/src/k8s.io/*; do
    echo git push '$REMOTE' $i/$1
done
echo git push '$REMOTE' $1