Allow compare page to look up base, head, own-fork, forkbase-of-head (#11327)
* Allow compare page to look up base, head, own-fork, forkbase-of-head Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @guillep2k Signed-off-by: Andrew Thornton <art27@cantab.net> * Update routers/repo/compare.go * as per @guillep2k Signed-off-by: Andrew Thornton <art27@cantab.net> * Rationalise the names a little Signed-off-by: Andrew Thornton <art27@cantab.net> * Rationalise the names a little (2) Signed-off-by: Andrew Thornton <art27@cantab.net> * Fix 500 with fork of fork Signed-off-by: Andrew Thornton <art27@cantab.net> * Prevent 500 on compare different trees Signed-off-by: Andrew Thornton <art27@cantab.net> * dotdotdot is perfectly valid in both usernames and repo names Signed-off-by: Andrew Thornton <art27@cantab.net> * ensure we can set the head and base repos too Signed-off-by: Andrew Thornton <art27@cantab.net> * ensure we can set the head and base repos too (2) Signed-off-by: Andrew Thornton <art27@cantab.net> * fix lint Signed-off-by: Andrew Thornton <art27@cantab.net> * only set headRepo == baseRepo if isSameRepo Signed-off-by: Andrew Thornton <art27@cantab.net>release/v1.15
zeripath
GitHub
parent
a4c7ad99e5
commit
0198bbedc1
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@ -529,10 +529,6 @@ func GetCommitFileStatus(repoPath, commitID string) (*CommitFileStatus, error) {
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// GetFullCommitID returns full length (40) of commit ID by given short SHA in a repository.
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func GetFullCommitID(repoPath, shortID string) (string, error) {
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if len(shortID) >= 40 {
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return shortID, nil
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}
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commitID, err := NewCommand("rev-parse", shortID).RunInDir(repoPath)
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if err != nil {
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if strings.Contains(err.Error(), "exit status 128") {
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@ -89,7 +89,6 @@ func (repo *Repository) GetCompareInfo(basePath, baseBranch, headBranch string)
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return nil, err
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}
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compareInfo.NumFiles = len(strings.Split(stdout, "\n")) - 1
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return compareInfo, nil
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}
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@ -71,25 +71,45 @@ func ParseCompareInfo(ctx *context.Context) (*models.User, *models.Repository, *
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baseRepo := ctx.Repo.Repository
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// Get compared branches information
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// A full compare url is of the form:
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//
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// 1. /{:baseOwner}/{:baseRepoName}/compare/{:baseBranch}...{:headBranch}
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// 2. /{:baseOwner}/{:baseRepoName}/compare/{:baseBranch}...{:headOwner}:{:headBranch}
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// 3. /{:baseOwner}/{:baseRepoName}/compare/{:baseBranch}...{:headOwner}/{:headRepoName}:{:headBranch}
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//
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// Here we obtain the infoPath "{:baseBranch}...[{:headOwner}/{:headRepoName}:]{:headBranch}" as ctx.Params("*")
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// with the :baseRepo in ctx.Repo.
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//
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// Note: Generally :headRepoName is not provided here - we are only passed :headOwner.
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//
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// How do we determine the :headRepo?
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//
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// 1. If :headOwner is not set then the :headRepo = :baseRepo
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// 2. If :headOwner is set - then look for the fork of :baseRepo owned by :headOwner
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// 3. But... :baseRepo could be a fork of :headOwner's repo - so check that
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// 4. Now, :baseRepo and :headRepos could be forks of the same repo - so check that
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//
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// format: <base branch>...[<head repo>:]<head branch>
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// base<-head: master...head:feature
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// same repo: master...feature
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var (
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headUser *models.User
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headRepo *models.Repository
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headBranch string
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isSameRepo bool
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infoPath string
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err error
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)
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infoPath = ctx.Params("*")
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infos := strings.Split(infoPath, "...")
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infos := strings.SplitN(infoPath, "...", 2)
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if len(infos) != 2 {
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log.Trace("ParseCompareInfo[%d]: not enough compared branches information %s", baseRepo.ID, infos)
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ctx.NotFound("CompareAndPullRequest", nil)
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return nil, nil, nil, nil, "", ""
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}
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ctx.Data["BaseName"] = baseRepo.OwnerName
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baseBranch := infos[0]
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ctx.Data["BaseBranch"] = baseBranch
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@ -101,6 +121,8 @@ func ParseCompareInfo(ctx *context.Context) (*models.User, *models.Repository, *
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headBranch = headInfos[0]
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} else if len(headInfos) == 2 {
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headInfosSplit := strings.Split(headInfos[0], "/")
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if len(headInfosSplit) == 1 {
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headUser, err = models.GetUserByName(headInfos[0])
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if err != nil {
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if models.IsErrUserNotExist(err) {
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@ -112,6 +134,31 @@ func ParseCompareInfo(ctx *context.Context) (*models.User, *models.Repository, *
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}
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headBranch = headInfos[1]
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isSameRepo = headUser.ID == ctx.Repo.Owner.ID
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if isSameRepo {
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headRepo = baseRepo
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}
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} else {
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headRepo, err = models.GetRepositoryByOwnerAndName(headInfosSplit[0], headInfosSplit[1])
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if err != nil {
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if models.IsErrRepoNotExist(err) {
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ctx.NotFound("GetRepositoryByOwnerAndName", nil)
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} else {
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ctx.ServerError("GetRepositoryByOwnerAndName", err)
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}
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return nil, nil, nil, nil, "", ""
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}
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if err := headRepo.GetOwner(); err != nil {
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if models.IsErrUserNotExist(err) {
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ctx.NotFound("GetUserByName", nil)
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} else {
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ctx.ServerError("GetUserByName", err)
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}
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return nil, nil, nil, nil, "", ""
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}
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headBranch = headInfos[1]
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headUser = headRepo.Owner
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isSameRepo = headRepo.ID == ctx.Repo.Repository.ID
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}
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} else {
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ctx.NotFound("CompareAndPullRequest", nil)
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return nil, nil, nil, nil, "", ""
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@ -139,20 +186,80 @@ func ParseCompareInfo(ctx *context.Context) (*models.User, *models.Repository, *
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ctx.Data["BaseIsBranch"] = baseIsBranch
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ctx.Data["BaseIsTag"] = baseIsTag
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// Check if current user has fork of repository or in the same repository.
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headRepo, has := models.HasForkedRepo(headUser.ID, baseRepo.ID)
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if !has && !isSameRepo {
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// Now we have the repository that represents the base
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// The current base and head repositories and branches may not
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// actually be the intended branches that the user wants to
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// create a pull-request from - but also determining the head
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// repo is difficult.
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// We will want therefore to offer a few repositories to set as
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// our base and head
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// 1. First if the baseRepo is a fork get the "RootRepo" it was
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// forked from
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var rootRepo *models.Repository
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if baseRepo.IsFork {
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err = baseRepo.GetBaseRepo()
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if err != nil {
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if !models.IsErrRepoNotExist(err) {
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ctx.ServerError("Unable to find root repo", err)
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return nil, nil, nil, nil, "", ""
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}
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} else {
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rootRepo = baseRepo.BaseRepo
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}
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}
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// 2. Now if the current user is not the owner of the baseRepo,
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// check if they have a fork of the base repo and offer that as
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// "OwnForkRepo"
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var ownForkRepo *models.Repository
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if baseRepo.OwnerID != ctx.User.ID {
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repo, has := models.HasForkedRepo(ctx.User.ID, baseRepo.ID)
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if has {
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ownForkRepo = repo
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ctx.Data["OwnForkRepo"] = ownForkRepo
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}
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}
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has := headRepo != nil
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// 3. If the base is a forked from "RootRepo" and the owner of
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// the "RootRepo" is the :headUser - set headRepo to that
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if !has && rootRepo != nil && rootRepo.OwnerID == headUser.ID {
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headRepo = rootRepo
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has = true
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}
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// 4. If the ctx.User has their own fork of the baseRepo and the headUser is the ctx.User
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// set the headRepo to the ownFork
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if !has && ownForkRepo != nil && ownForkRepo.OwnerID == headUser.ID {
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headRepo = ownForkRepo
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has = true
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}
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// 5. If the headOwner has a fork of the baseRepo - use that
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if !has {
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headRepo, has = models.HasForkedRepo(headUser.ID, baseRepo.ID)
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}
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// 6. If the baseRepo is a fork and the headUser has a fork of that use that
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if !has && baseRepo.IsFork {
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headRepo, has = models.HasForkedRepo(headUser.ID, baseRepo.ForkID)
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}
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// 7. Otherwise if we're not the same repo and haven't found a repo give up
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if !isSameRepo && !has {
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ctx.Data["PageIsComparePull"] = false
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}
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// 8. Finally open the git repo
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var headGitRepo *git.Repository
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if isSameRepo {
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headRepo = ctx.Repo.Repository
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headGitRepo = ctx.Repo.GitRepo
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ctx.Data["BaseName"] = headUser.Name
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} else {
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headGitRepo, err = git.OpenRepository(models.RepoPath(headUser.Name, headRepo.Name))
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ctx.Data["BaseName"] = baseRepo.OwnerName
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} else if has {
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headGitRepo, err = git.OpenRepository(headRepo.RepoPath())
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if err != nil {
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ctx.ServerError("OpenRepository", err)
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return nil, nil, nil, nil, "", ""
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@ -160,7 +267,11 @@ func ParseCompareInfo(ctx *context.Context) (*models.User, *models.Repository, *
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defer headGitRepo.Close()
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}
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// user should have permission to read baseRepo's codes and pulls, NOT headRepo's
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ctx.Data["HeadRepo"] = headRepo
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// Now we need to assert that the ctx.User has permission to read
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// the baseRepo's code and pulls
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// (NOT headRepo's)
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permBase, err := models.GetUserRepoPermission(baseRepo, ctx.User)
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if err != nil {
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ctx.ServerError("GetUserRepoPermission", err)
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@ -177,8 +288,9 @@ func ParseCompareInfo(ctx *context.Context) (*models.User, *models.Repository, *
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return nil, nil, nil, nil, "", ""
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}
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// If we're not merging from the same repo:
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if !isSameRepo {
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// user should have permission to read headrepo's codes
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// Assert ctx.User has permission to read headRepo's codes
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permHead, err := models.GetUserRepoPermission(headRepo, ctx.User)
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if err != nil {
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ctx.ServerError("GetUserRepoPermission", err)
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@ -196,6 +308,44 @@ func ParseCompareInfo(ctx *context.Context) (*models.User, *models.Repository, *
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}
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}
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// If we have a rootRepo and it's different from:
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// 1. the computed base
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// 2. the computed head
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// then get the branches of it
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if rootRepo != nil &&
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rootRepo.ID != headRepo.ID &&
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rootRepo.ID != baseRepo.ID {
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perm, branches, err := getBranchesForRepo(ctx.User, rootRepo)
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if err != nil {
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ctx.ServerError("GetBranchesForRepo", err)
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return nil, nil, nil, nil, "", ""
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}
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if perm {
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ctx.Data["RootRepo"] = rootRepo
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ctx.Data["RootRepoBranches"] = branches
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}
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}
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// If we have a ownForkRepo and it's different from:
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// 1. The computed base
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// 2. The computed hea
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// 3. The rootRepo (if we have one)
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// then get the branches from it.
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if ownForkRepo != nil &&
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ownForkRepo.ID != headRepo.ID &&
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ownForkRepo.ID != baseRepo.ID &&
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(rootRepo == nil || ownForkRepo.ID != rootRepo.ID) {
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perm, branches, err := getBranchesForRepo(ctx.User, ownForkRepo)
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if err != nil {
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ctx.ServerError("GetBranchesForRepo", err)
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return nil, nil, nil, nil, "", ""
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}
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if perm {
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ctx.Data["OwnForkRepo"] = ownForkRepo
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ctx.Data["OwnForkRepoBranches"] = branches
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}
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}
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// Check if head branch is valid.
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headIsCommit := headGitRepo.IsCommitExist(headBranch)
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headIsBranch := headGitRepo.IsBranchExist(headBranch)
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@ -343,28 +493,25 @@ func PrepareCompareDiff(
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return false
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}
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// parseBaseRepoInfo parse base repository if current repo is forked.
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// The "base" here means the repository where current repo forks from,
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// not the repository fetch from current URL.
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func parseBaseRepoInfo(ctx *context.Context, repo *models.Repository) error {
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if !repo.IsFork {
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return nil
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}
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if err := repo.GetBaseRepo(); err != nil {
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return err
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}
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baseGitRepo, err := git.OpenRepository(repo.BaseRepo.RepoPath())
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func getBranchesForRepo(user *models.User, repo *models.Repository) (bool, []string, error) {
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perm, err := models.GetUserRepoPermission(repo, user)
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if err != nil {
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return err
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return false, nil, err
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}
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defer baseGitRepo.Close()
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ctx.Data["BaseRepoBranches"], err = baseGitRepo.GetBranches()
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if !perm.CanRead(models.UnitTypeCode) {
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return false, nil, nil
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}
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gitRepo, err := git.OpenRepository(repo.RepoPath())
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if err != nil {
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return err
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return false, nil, err
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}
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return nil
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defer gitRepo.Close()
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branches, err := gitRepo.GetBranches()
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if err != nil {
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return false, nil, err
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}
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return true, branches, nil
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}
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// CompareDiff show different from one commit to another commit
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@ -375,12 +522,6 @@ func CompareDiff(ctx *context.Context) {
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}
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defer headGitRepo.Close()
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var err error
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if err = parseBaseRepoInfo(ctx, headRepo); err != nil {
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ctx.ServerError("parseBaseRepoInfo", err)
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return
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}
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nothingToCompare := PrepareCompareDiff(ctx, headUser, headRepo, headGitRepo, compareInfo, baseBranch, headBranch)
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if ctx.Written() {
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return
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@ -26,11 +26,21 @@
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</div>
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<div class="scrolling menu">
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{{range .Branches}}
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<div class="item {{if eq $.BaseBranch .}}selected{{end}}" data-url="{{$.RepoLink}}/compare/{{EscapePound .}}...{{if not $.PullRequestCtx.SameRepo}}{{$.HeadUser.Name}}:{{end}}{{EscapePound $.HeadBranch}}">{{$.BaseName}}:{{.}}</div>
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<div class="item {{if eq $.BaseBranch .}}selected{{end}}" data-url="{{$.RepoLink}}/compare/{{EscapePound .}}...{{if not $.PullRequestCtx.SameRepo}}{{$.HeadUser.Name}}/{{$.HeadRepo.Name}}:{{end}}{{EscapePound $.HeadBranch}}">{{$.BaseName}}:{{.}}</div>
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{{end}}
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{{if .Repository.IsFork}}
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{{range .BaseRepoBranches}}
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<div class="item" data-url="{{$.PullRequestCtx.BaseRepo.Link}}/compare/{{EscapePound .}}...{{$.HeadUser.Name}}:{{EscapePound $.HeadBranch}}">{{$.PullRequestCtx.BaseRepo.OwnerName}}:{{.}}</div>
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{{if not .PullRequestCtx.SameRepo}}
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{{range .HeadBranches}}
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<div class="item" data-url="{{$.HeadRepo.Link}}/compare/{{EscapePound .}}...{{$.HeadUser.Name}}/{{$.HeadRepo.Name}}:{{EscapePound $.HeadBranch}}">{{$.HeadUser.Name}}:{{.}}</div>
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{{end}}
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{{end}}
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{{if .OwnForkRepo}}
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{{range .OwnForkRepoBranches}}
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<div class="item" data-url="{{$.OwnForkRepo.Link}}/compare/{{EscapePound .}}...{{$.HeadUser.Name}}/{{$.HeadRepo.Name}}:{{EscapePound $.HeadBranch}}">{{$.OwnForkRepo.OwnerName}}:{{.}}</div>
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{{end}}
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{{end}}
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{{if .RootRepo}}
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{{range .RootRepoBranches}}
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<div class="item" data-url="{{$.RootRepo.Link}}/compare/{{EscapePound .}}...{{$.HeadUser.Name}}/{{$.HeadRepo.Name}}:{{EscapePound $.HeadBranch}}">{{$.RootRepo.OwnerName}}:{{.}}</div>
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{{end}}
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{{end}}
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</div>
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@ -49,7 +59,22 @@
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</div>
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<div class="scrolling menu">
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{{range .HeadBranches}}
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<div class="{{if eq $.HeadBranch .}}selected{{end}} item" data-url="{{$.RepoLink}}/compare/{{EscapePound $.BaseBranch}}...{{if not $.PullRequestCtx.SameRepo}}{{$.HeadUser.Name}}:{{end}}{{EscapePound .}}">{{$.HeadUser.Name}}:{{.}}</div>
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<div class="{{if eq $.HeadBranch .}}selected{{end}} item" data-url="{{$.RepoLink}}/compare/{{EscapePound $.BaseBranch}}...{{if not $.PullRequestCtx.SameRepo}}{{$.HeadUser.Name}}/{{$.HeadRepo.Name}}:{{end}}{{EscapePound .}}">{{$.HeadUser.Name}}:{{.}}</div>
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{{end}}
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{{if not .PullRequestCtx.SameRepo}}
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{{range .Branches}}
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<div class="item" data-url="{{$.RepoLink}}/compare/{{EscapePound $.BaseBranch}}...{{$.BaseName}}/{{$.Repository.Name}}:{{EscapePound .}}">{{$.BaseName}}:{{.}}</div>
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{{end}}
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{{end}}
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{{if .OwnForkRepo}}
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{{range .OwnForkRepoBranches}}
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<div class="item" data-url="{{$.RepoLink}}/compare/{{EscapePound $.BaseBranch}}...{{$.OwnForkRepo.OwnerName}}/{{$.OwnForkRepo.Name}}:{{EscapePound .}}">{{$.OwnForkRepo.OwnerName}}:{{.}}</div>
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{{end}}
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{{end}}
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{{if .RootRepo}}
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{{range .RootRepoBranches}}
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<div class="item" data-url="{{$.RepoLink}}/compare/{{EscapePound $.BaseBranch}}...{{$.RootRepo.OwnerName}}/{{$.RootRepo.Name}}:{{EscapePound .}}">{{$.RootRepo.OwnerName}}:{{.}}</div>
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{{end}}
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{{end}}
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</div>
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</div>
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Reference in New Issue