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package git_commands
import (
"fmt"
"regexp"
"strings"
"github.com/jesseduffield/lazygit/pkg/commands/oscommands"
"github.com/jesseduffield/lazygit/pkg/utils"
)
// this takes something like:
// * (HEAD detached at 264fc6f5)
// remotes
// and returns '264fc6f5' as the second match
const CurrentBranchNameRegex = `(?m)^\*.*?([^ ]*?)\)?$`
type BranchCommands struct {
*GitCommon
}
func NewBranchCommands(gitCommon *GitCommon) *BranchCommands {
return &BranchCommands{
GitCommon: gitCommon,
}
}
// New creates a new branch
func (self *BranchCommands) New(name string, base string) error {
return self.cmd.New(fmt.Sprintf("git checkout -b %s %s", self.cmd.Quote(name), self.cmd.Quote(base))).Run()
}
// CurrentBranchInfo get the current branch information.
func (self *BranchCommands) CurrentBranchInfo() (BranchInfo, error) {
branchName, err := self.cmd.New("git symbolic-ref --short HEAD").DontLog().RunWithOutput()
if err == nil && branchName != "HEAD\n" {
trimmedBranchName := strings.TrimSpace(branchName)
return BranchInfo{
RefName: trimmedBranchName,
DisplayName: trimmedBranchName,
DetachedHead: false,
}, nil
}
output, err := self.cmd.New("git branch --contains").DontLog().RunWithOutput()
if err != nil {
return BranchInfo{}, err
}
for _, line := range utils.SplitLines(output) {
re := regexp.MustCompile(CurrentBranchNameRegex)
match := re.FindStringSubmatch(line)
if len(match) > 0 {
branchName = match[1]
displayBranchName := match[0][2:]
return BranchInfo{
RefName: branchName,
DisplayName: displayBranchName,
DetachedHead: true,
}, nil
}
}
return BranchInfo{
RefName: "HEAD",
DisplayName: "HEAD",
DetachedHead: true,
}, nil
}
// Delete delete branch
func (self *BranchCommands) Delete(branch string, force bool) error {
command := "git branch -d"
if force {
command = "git branch -D"
}
return self.cmd.New(fmt.Sprintf("%s %s", command, self.cmd.Quote(branch))).Run()
}
// Checkout checks out a branch (or commit), with --force if you set the force arg to true
type CheckoutOptions struct {
Force bool
EnvVars []string
}
func (self *BranchCommands) Checkout(branch string, options CheckoutOptions) error {
forceArg := ""
if options.Force {
forceArg = " --force"
}
return self.cmd.New(fmt.Sprintf("git checkout%s %s", forceArg, self.cmd.Quote(branch))).
// prevents git from prompting us for input which would freeze the program
// TODO: see if this is actually needed here
AddEnvVars("GIT_TERMINAL_PROMPT=0").
AddEnvVars(options.EnvVars...).
Run()
}
// GetGraph gets the color-formatted graph of the log for the given branch
// Currently it limits the result to 100 commits, but when we get async stuff
// working we can do lazy loading
func (self *BranchCommands) GetGraph(branchName string) (string, error) {
return self.GetGraphCmdObj(branchName).DontLog().RunWithOutput()
}
func (self *BranchCommands) GetGraphCmdObj(branchName string) oscommands.ICmdObj {
branchLogCmdTemplate := self.UserConfig.Git.BranchLogCmd
templateValues := map[string]string{
"branchName": self.cmd.Quote(branchName),
}
return self.cmd.New(utils.ResolvePlaceholderString(branchLogCmdTemplate, templateValues)).DontLog()
}
func (self *BranchCommands) SetCurrentBranchUpstream(remoteName string, remoteBranchName string) error {
return self.cmd.New(fmt.Sprintf("git branch --set-upstream-to=%s/%s", self.cmd.Quote(remoteName), self.cmd.Quote(remoteBranchName))).Run()
}
func (self *BranchCommands) SetUpstream(remoteName string, remoteBranchName string, branchName string) error {
return self.cmd.New(fmt.Sprintf("git branch --set-upstream-to=%s/%s %s", self.cmd.Quote(remoteName), self.cmd.Quote(remoteBranchName), self.cmd.Quote(branchName))).Run()
}
func (self *BranchCommands) UnsetUpstream(branchName string) error {
return self.cmd.New(fmt.Sprintf("git branch --unset-upstream %s", self.cmd.Quote(branchName))).Run()
}
func (self *BranchCommands) GetCurrentBranchUpstreamDifferenceCount() (string, string) {
return self.GetCommitDifferences("HEAD", "HEAD@{u}")
}
func (self *BranchCommands) GetUpstreamDifferenceCount(branchName string) (string, string) {
return self.GetCommitDifferences(branchName, branchName+"@{u}")
}
// GetCommitDifferences checks how many pushables/pullables there are for the
// current branch
func (self *BranchCommands) GetCommitDifferences(from, to string) (string, string) {
command := "git rev-list %s..%s --count"
pushableCount, err := self.cmd.New(fmt.Sprintf(command, to, from)).DontLog().RunWithOutput()
if err != nil {
return "?", "?"
}
pullableCount, err := self.cmd.New(fmt.Sprintf(command, from, to)).DontLog().RunWithOutput()
if err != nil {
return "?", "?"
}
return strings.TrimSpace(pushableCount), strings.TrimSpace(pullableCount)
}
func (self *BranchCommands) IsHeadDetached() bool {
err := self.cmd.New("git symbolic-ref -q HEAD").DontLog().Run()
return err != nil
}
func (self *BranchCommands) Rename(oldName string, newName string) error {
return self.cmd.New(fmt.Sprintf("git branch --move %s %s", self.cmd.Quote(oldName), self.cmd.Quote(newName))).Run()
}
func (self *BranchCommands) GetRawBranches() (string, error) {
return self.cmd.New(`git for-each-ref --sort=-committerdate --format="%(HEAD)%00%(refname:short)%00%(upstream:short)%00%(upstream:track)" refs/heads`).DontLog().RunWithOutput()
}
type MergeOpts struct {
FastForwardOnly bool
}
func (self *BranchCommands) Merge(branchName string, opts MergeOpts) error {
mergeArg := ""
if self.UserConfig.Git.Merging.Args != "" {
mergeArg = " " + self.UserConfig.Git.Merging.Args
}
command := fmt.Sprintf("git merge --no-edit%s %s", mergeArg, self.cmd.Quote(branchName))
if opts.FastForwardOnly {
command = fmt.Sprintf("%s --ff-only", command)
}
return self.cmd.New(command).Run()
}
func (self *BranchCommands) AllBranchesLogCmdObj() oscommands.ICmdObj {
return self.cmd.New(self.UserConfig.Git.AllBranchesLogCmd).DontLog()
}
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