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`tea pr checkout`: dont create local branches (#314) 

This avoids creation of local branches, to avoid cluttering the local repo:
- if the commit already exists on the tip of a local branch, check that one out
- otherwise check out the remote tracking branch (`refs/remotes/<remote>/<head>`), and suggest what to do if you want to make changes.

I'm not certain this behaviour is actually better, I suggest leaving this open for a while for people to try out the new behaviour:
```
tea pr checkout 314
make install
```

fixes #293

Co-authored-by: Norwin Roosen <git@nroo.de>
Co-authored-by: 6543 <6543@obermui.de>
Reviewed-on: https://gitea.com/gitea/tea/pulls/314
Reviewed-by: 6543 <6543@obermui.de>
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Norwin <noerw@noreply.gitea.io>
Co-committed-by: Norwin <noerw@noreply.gitea.io>
This commit is contained in:
Norwin 2021-03-02 21:50:11 +08:00 committed by Lunny Xiao
parent 3c1efd33e2
commit e96cfdbbe7
4 changed files with 41 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
cmd/pulls/checkout.go
View File

@ -24,7 +24,13 @@ var CmdPullsCheckout = cli.Command{
Description: `Locally check out the given PR`,
Action: runPullsCheckout,
ArgsUsage: "<pull index>",
Flags: flags.AllDefaultFlags,
Flags: append([]cli.Flag{
&cli.BoolFlag{
Name: "branch",
Aliases: []string{"b"},
Usage: "Create a local branch if it doesn't exist yet",
},
}, flags.AllDefaultFlags...),
}
func runPullsCheckout(cmd *cli.Context) error {
@ -38,5 +44,5 @@ func runPullsCheckout(cmd *cli.Context) error {
return err
}
return task.PullCheckout(ctx.Login, ctx.Owner, ctx.Repo, idx, interact.PromptPassword)
return task.PullCheckout(ctx.Login, ctx.Owner, ctx.Repo, ctx.Bool("branch"), idx, interact.PromptPassword)
}

5
modules/git/branch.go
View File

@ -38,13 +38,12 @@ func (r TeaRepo) TeaCreateBranch(localBranchName, remoteBranchName, remoteName s
}
// TeaCheckout checks out the given branch in the worktree.
func (r TeaRepo) TeaCheckout(branchName string) error {
func (r TeaRepo) TeaCheckout(ref git_plumbing.ReferenceName) error {
tree, err := r.Worktree()
if err != nil {
return err
}
localBranchRefName := git_plumbing.NewBranchReferenceName(branchName)
return tree.Checkout(&git.CheckoutOptions{Branch: localBranchRefName})
return tree.Checkout(&git.CheckoutOptions{Branch: ref})
}
// TeaDeleteLocalBranch removes the given branch locally

44
modules/task/pull_checkout.go
View File

@ -11,10 +11,11 @@ import (
local_git "code.gitea.io/tea/modules/git"
"github.com/go-git/go-git/v5"
git_plumbing "github.com/go-git/go-git/v5/plumbing"
)
// PullCheckout checkout current workdir to the head branch of specified pull request
func PullCheckout(login *config.Login, repoOwner, repoName string, index int64, callback func(string) (string, error)) error {
func PullCheckout(login *config.Login, repoOwner, repoName string, forceCreateBranch bool, index int64, callback func(string) (string, error)) error {
client := login.Client()
localRepo, err := local_git.RepoForWorkdir()
@ -40,12 +41,6 @@ func PullCheckout(login *config.Login, repoOwner, repoName string, index int64,
remoteURL = pr.Head.Repository.SSHURL
}
// try to find a matching existing branch, otherwise return branch in pulls/ namespace
localBranchName := fmt.Sprintf("pulls/%v-%v", index, pr.Head.Ref)
if b, _ := localRepo.TeaFindBranchBySha(pr.Head.Sha, remoteURL); b != nil {
localBranchName = b.Name
}
newRemoteName := fmt.Sprintf("pulls/%v", pr.Head.Repository.Owner.UserName)
// verify related remote is in local repo, otherwise add it
@ -72,15 +67,32 @@ func PullCheckout(login *config.Login, repoOwner, repoName string, index int64,
return err
}
// checkout local branch
err = localRepo.TeaCreateBranch(localBranchName, pr.Head.Ref, localRemoteName)
if err == nil {
fmt.Printf("Created branch '%s'\n", localBranchName)
} else if err == git.ErrBranchExists {
fmt.Println("There may be changes since you last checked out, run `git pull` to get them.")
} else if err != nil {
return err
var info string
var checkoutRef git_plumbing.ReferenceName
if b, _ := localRepo.TeaFindBranchBySha(pr.Head.Sha, remoteURL); b != nil {
// if a matching branch exists, use that
checkoutRef = git_plumbing.NewBranchReferenceName(b.Name)
info = fmt.Sprintf("Found matching local branch %s, checking it out", checkoutRef.Short())
} else if forceCreateBranch {
// create a branch if wanted
localBranchName := fmt.Sprintf("pulls/%v-%v", index, pr.Head.Ref)
checkoutRef = git_plumbing.NewBranchReferenceName(localBranchName)
if err = localRepo.TeaCreateBranch(localBranchName, pr.Head.Ref, localRemoteName); err == nil {
info = fmt.Sprintf("Created branch '%s'\n", localBranchName)
} else if err == git.ErrBranchExists {
info = "There may be changes since you last checked out, run `git pull` to get them."
} else {
return err
}
} else {
// use the remote tracking branch
checkoutRef = git_plumbing.NewRemoteReferenceName(localRemoteName, pr.Head.Ref)
info = fmt.Sprintf(
"Checking out remote tracking branch %s. To make changes, create a new branch:\n git checkout %s",
checkoutRef.String(), pr.Head.Ref)
}
return localRepo.TeaCheckout(localBranchName)
fmt.Println(info)
return localRepo.TeaCheckout(checkoutRef)
}

4
modules/task/pull_clean.go
View File

@ -12,6 +12,7 @@ import (
"code.gitea.io/sdk/gitea"
git_config "github.com/go-git/go-git/v5/config"
git_plumbing "github.com/go-git/go-git/v5/plumbing"
)
// PullClean deletes local & remote feature-branches for a closed pull
@ -76,7 +77,8 @@ call me again with the --ignore-sha flag`, remoteBranch)
}
if headRef.Name().Short() == branch.Name {
fmt.Printf("Checking out '%s' to delete local branch '%s'\n", defaultBranch, branch.Name)
if err = r.TeaCheckout(defaultBranch); err != nil {
ref := git_plumbing.NewBranchReferenceName(defaultBranch)
if err = r.TeaCheckout(ref); err != nil {
return err
}
}