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// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package models
import (
"fmt"
"sort"
"strings"
"time"
"github.com/go-xorm/xorm"
"github.com/gogits/git-shell"
"github.com/gogits/gogs/modules/process"
)
// Release represents a release of repository.
type Release struct {
ID int64 `xorm:"pk autoincr"`
RepoID int64
PublisherID int64
Publisher *User `xorm:"-"`
TagName string
LowerTagName string
Target string
Title string
Sha1 string `xorm:"VARCHAR(40)"`
NumCommits int64
NumCommitsBehind int64 `xorm:"-"`
Note string `xorm:"TEXT"`
IsDraft bool `xorm:"NOT NULL DEFAULT false"`
IsPrerelease bool
Created time.Time `xorm:"CREATED"`
}
func (r *Release) AfterSet(colName string, _ xorm.Cell) {
switch colName {
case "created":
r.Created = regulateTimeZone(r.Created)
}
}
// IsReleaseExist returns true if release with given tag name already exists.
func IsReleaseExist(repoID int64, tagName string) (bool, error) {
if len(tagName) == 0 {
return false, nil
}
return x.Get(&Release{RepoID: repoID, LowerTagName: strings.ToLower(tagName)})
}
func createTag(gitRepo *git.Repository, rel *Release) error {
// Only actual create when publish.
if !rel.IsDraft {
if !gitRepo.IsTagExist(rel.TagName) {
commit, err := gitRepo.GetBranchCommit(rel.Target)
if err != nil {
return fmt.Errorf("GetBranchCommit: %v", err)
}
if err = gitRepo.CreateTag(rel.TagName, commit.ID.String()); err != nil {
return err
}
} else {
commit, err := gitRepo.GetTagCommit(rel.TagName)
if err != nil {
return fmt.Errorf("GetTagCommit: %v", err)
}
rel.NumCommits, err = commit.CommitsCount()
if err != nil {
return fmt.Errorf("CommitsCount: %v", err)
}
}
}
return nil
}
// CreateRelease creates a new release of repository.
func CreateRelease(gitRepo *git.Repository, rel *Release) error {
isExist, err := IsReleaseExist(rel.RepoID, rel.TagName)
if err != nil {
return err
} else if isExist {
return ErrReleaseAlreadyExist{rel.TagName}
}
if err = createTag(gitRepo, rel); err != nil {
return err
}
rel.LowerTagName = strings.ToLower(rel.TagName)
_, err = x.InsertOne(rel)
return err
}
// GetRelease returns release by given ID.
func GetRelease(repoID int64, tagName string) (*Release, error) {
isExist, err := IsReleaseExist(repoID, tagName)
if err != nil {
return nil, err
} else if !isExist {
return nil, ErrReleaseNotExist{0, tagName}
}
rel := &Release{RepoID: repoID, LowerTagName: strings.ToLower(tagName)}
_, err = x.Get(rel)
return rel, err
}
// GetReleaseByID returns release with given ID.
func GetReleaseByID(id int64) (*Release, error) {
rel := new(Release)
has, err := x.Id(id).Get(rel)
if err != nil {
return nil, err
} else if !has {
return nil, ErrReleaseNotExist{id, ""}
}
return rel, nil
}
// GetReleasesByRepoID returns a list of releases of repository.
func GetReleasesByRepoID(repoID int64) (rels []*Release, err error) {
err = x.Desc("created").Find(&rels, Release{RepoID: repoID})
return rels, err
}
type ReleaseSorter struct {
rels []*Release
}
func (rs *ReleaseSorter) Len() int {
return len(rs.rels)
}
func (rs *ReleaseSorter) Less(i, j int) bool {
diffNum := rs.rels[i].NumCommits - rs.rels[j].NumCommits
if diffNum != 0 {
return diffNum > 0
}
return rs.rels[i].Created.After(rs.rels[j].Created)
}
func (rs *ReleaseSorter) Swap(i, j int) {
rs.rels[i], rs.rels[j] = rs.rels[j], rs.rels[i]
}
// SortReleases sorts releases by number of commits and created time.
func SortReleases(rels []*Release) {
sorter := &ReleaseSorter{rels: rels}
sort.Sort(sorter)
}
// UpdateRelease updates information of a release.
func UpdateRelease(gitRepo *git.Repository, rel *Release) (err error) {
if err = createTag(gitRepo, rel); err != nil {
return err
}
_, err = x.Id(rel.ID).AllCols().Update(rel)
return err
}
// DeleteReleaseByID deletes a release and corresponding Git tag by given ID.
func DeleteReleaseByID(id int64) error {
rel, err := GetReleaseByID(id)
if err != nil {
return fmt.Errorf("GetReleaseByID: %v", err)
}
repo, err := GetRepositoryByID(rel.RepoID)
if err != nil {
return fmt.Errorf("GetRepositoryByID: %v", err)
}
_, stderr, err := process.ExecDir(-1, repo.RepoPath(),
fmt.Sprintf("DeleteReleaseByID (git tag -d): %d", rel.ID),
"git", "tag", "-d", rel.TagName)
if err != nil && !strings.Contains(stderr, "not found") {
return fmt.Errorf("git tag -d: %v - %s", err, stderr)
}
if _, err = x.Id(rel.ID).Delete(new(Release)); err != nil {
return fmt.Errorf("Delete: %v", err)
}
return nil
}
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