/
bump.go
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/
bump.go
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package relslash
import (
"encoding/json"
"fmt"
"io/ioutil"
"log"
"os"
"strings"
"github.com/Masterminds/semver"
"gopkg.in/src-d/go-billy.v4"
"gopkg.in/src-d/go-git.v4/plumbing"
"gopkg.in/src-d/go-git.v4/plumbing/storer"
"gopkg.in/yaml.v2"
)
const (
TileRepoRelBranchPrefix = "rel/"
TileRepoMasterBranch = "master"
KilnFileRemoteSource = "final-pcf-bosh-releases"
)
func SupportedTileBranches(iter storer.ReferenceIter) ([]*plumbing.Reference, error) {
var tileReleaseBranches []*plumbing.Reference
err := iter.ForEach(func(ref *plumbing.Reference) error {
if name := ref.Name().Short(); name == TileRepoMasterBranch || strings.HasPrefix(name, TileRepoRelBranchPrefix) {
tileReleaseBranches = append(tileReleaseBranches, ref)
}
return nil
})
return tileReleaseBranches, err
}
type KilnFileLock struct {
Releases []ReleaseLock `yaml:"releases"`
}
type ReleaseLock struct {
Name string `yaml:"name"`
SHA1 string `yaml:"sha1,omitempty"`
Version string `yaml:"version"`
RemoteSource string `yaml:"remote_source"`
RemotePath string `yaml:"remote_path"`
}
type VersionsIncreasing []*semver.Version
func (sv VersionsIncreasing) Len() int {
return len(sv)
}
func (sv VersionsIncreasing) Swap(i, j int) {
sv[i], sv[j] = sv[j], sv[i]
}
func (sv VersionsIncreasing) Less(i, j int) bool {
return sv[i].LessThan(sv[j])
}
type VersionsDecreasing []*semver.Version
func (sv VersionsDecreasing) Len() int {
return len(sv)
}
func (sv VersionsDecreasing) Swap(i, j int) {
sv[i], sv[j] = sv[j], sv[i]
}
func (sv VersionsDecreasing) Less(i, j int) bool {
return !sv[i].LessThan(sv[j])
}
type ByIncreasingGeneralAvailabilityDate []*plumbing.Reference
func (sv ByIncreasingGeneralAvailabilityDate) Len() int {
return len(sv)
}
func (sv ByIncreasingGeneralAvailabilityDate) Swap(i, j int) {
sv[i], sv[j] = sv[j], sv[i]
}
func (sv ByIncreasingGeneralAvailabilityDate) Less(i, j int) bool {
is, js := sv[i].Name().Short(), sv[j].Name().Short()
return is != "master" && strings.Compare(is, js) < 1 // TODO: test this
}
func SetKilnfileLock(fs billy.Basic, lock KilnFileLock) error {
buf, err := yaml.Marshal(lock)
if err != nil {
log.Fatalf(`could not render yaml for "Kilnfile.lock": %s`, err)
}
file, err := fs.OpenFile("Kilnfile.lock", os.O_WRONLY|os.O_TRUNC, 0644)
if err != nil {
return fmt.Errorf("could not open kilnfile: %s", err)
}
defer file.Close()
if ln, err := file.Write(buf); err != nil {
return err
} else if ln != len(buf) {
return fmt.Errorf(`could not open write the entire kilnfile.lock; wrote %d bytes`, ln)
}
return nil
}
func KilnfileLock(fs billy.Basic) (KilnFileLock, error) {
var lock KilnFileLock
kilnfileLock, err := fs.Open("Kilnfile.lock")
if err != nil {
return lock, err
}
defer kilnfileLock.Close()
buf, err := ioutil.ReadAll(kilnfileLock)
if err != nil {
return lock, fmt.Errorf(`could not read bosh release's "config/final.yml" file: %s`, err)
}
if err := yaml.Unmarshal(buf, &lock); err != nil {
return lock, fmt.Errorf(`could not parse yaml in bosh release's "Kilnfile.lock" file: %s`, err)
}
return lock, nil
}
func BoshReleaseName(fs billy.Filesystem) (string, error) {
file, err := fs.Open("config/final.yml")
if err != nil {
return "", fmt.Errorf(`could not open bosh release's "config/final.yml" file: %s`, err)
}
buf, err := ioutil.ReadAll(file)
if err != nil {
return "", fmt.Errorf(`could not read bosh release's "config/final.yml" file: %s`, err)
}
var configFinal struct {
Name string `yaml:"final_name"`
}
if err := yaml.Unmarshal(buf, &configFinal); err != nil {
return "", fmt.Errorf(`could not parse yaml in bosh release's "config/final.yml" file: %s`, err)
}
return configFinal.Name, nil
}
func BoshReleaseVersions(fs billy.Dir) ([]*semver.Version, bool, error) {
releaseFiles, err := fs.ReadDir("releases")
if err != nil {
return nil, false, err
}
var (
versions []*semver.Version
isSemver bool
)
for _, file := range releaseFiles {
name := file.Name()
if !strings.HasSuffix(name, ".yml") {
continue
}
name = strings.TrimSuffix(name, ".yml")
segments := strings.Split(name, "-")
if len(segments) == 0 {
continue
}
versionString := segments[len(segments)-1]
switch strings.Count(versionString, ".") {
case 1, 2:
isSemver = true
}
v, err := semver.NewVersion(versionString)
if err != nil {
continue
}
versions = append(versions, v)
}
return versions, isSemver, nil
}
func ReleaseLockWithName(name string, releases []ReleaseLock) (ReleaseLock, int, error) {
for index, release := range releases {
if release.Name == name {
return release, index, nil
}
}
return ReleaseLock{}, 0, fmt.Errorf("could not find release lock with name: %s", name)
}
type ReferenceList []*plumbing.Reference
func (rfl ReferenceList) MarshalJSON() ([]byte, error) {
list := make([][2]string, len(rfl))
for _, el := range rfl {
strs := el.Strings()
list = append(list, [2]string{strs[0], strs[1]})
}
return json.Marshal(list)
}
func (rfl *ReferenceList) UnmarshalJSON(buf []byte) error {
var list [][2]string
if err := json.Unmarshal(buf, &list); err != nil {
return err
}
for _, el := range list {
*rfl = append(*rfl, plumbing.NewReferenceFromStrings(el[0], el[1]))
}
return nil
}
type Reference plumbing.Reference
func (rf Reference) MarshalJSON() ([]byte, error) {
return json.Marshal((*plumbing.Reference)(&rf).Strings())
}
func (rf *Reference) UnmarshalJSON(buf []byte) error {
var el [2]string
if err := json.Unmarshal(buf, &el); err != nil {
return err
}
ref := plumbing.NewReferenceFromStrings(el[0], el[1])
*rf = (Reference)(*ref)
return nil
}
type VersionList []*semver.Version
func (vl *VersionList) UnmarshalJSON(buf []byte) error {
var strs []string
if err := json.Unmarshal(buf, &strs); err != nil {
return err
}
for _, str := range strs {
version, err := semver.NewVersion(str)
if err != nil {
return err
}
*vl = append(*vl, version)
}
return nil
}
func (vl *VersionList) MarshalJSON() ([]byte, error) {
var strs []string
for _, v := range *vl {
strs = append(strs, v.String())
}
return json.Marshal(strs)
}
type BoshReleaseBumpSetData struct {
BoshReleaseName string
BoshReleaseVersionIsSemver bool
BoshReleaseVersions VersionList
TileBranches ReferenceList
}