support deleting remote branches

pkg/commands/git.go

@@ -1085,3 +1085,7 @@ func (c *GitCommand) IsHeadDetached() bool {
 	err := c.OSCommand.RunCommand("git symbolic-ref -q HEAD")
 	return err != nil
 }
+
+func (c *GitCommand) DeleteRemoteBranch(remoteName string, branchName string) error {
+	return c.OSCommand.RunCommand(fmt.Sprintf("git push %s --delete %s", remoteName, branchName))
+}

pkg/gui/keybindings.go

@@ -1073,6 +1073,14 @@ func (gui *Gui) GetInitialKeybindings() []*Binding {
 			Handler:     gui.handleMergeRemoteBranch,
 			Description: gui.Tr.SLocalize("mergeIntoCurrentBranch"),
 		},
+		{
+			ViewName:    "branches",
+			Contexts:    []string{"remote-branches"},
+			Key:         'd',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleDeleteRemoteBranch,
+			Description: gui.Tr.SLocalize("deleteBranch"),
+		},
 		{
 			ViewName: "commits",
 			Key:      gocui.MouseLeft,

pkg/gui/remote_branches_panel.go

@@ -97,3 +97,20 @@ func (gui *Gui) handleMergeRemoteBranch(g *gocui.Gui, v *gocui.View) error {
 	selectedBranchName := gui.getSelectedRemoteBranch().Name
 	return gui.mergeBranchIntoCheckedOutBranch(selectedBranchName)
 }
+
+func (gui *Gui) handleDeleteRemoteBranch(g *gocui.Gui, v *gocui.View) error {
+	remoteBranch := gui.getSelectedRemoteBranch()
+	if remoteBranch == nil {
+		return nil
+	}
+	message := fmt.Sprintf("%s '%s/%s'?", gui.Tr.SLocalize("DeleteRemoteBranchMessage"), remoteBranch.RemoteName, remoteBranch.Name)
+	return gui.createConfirmationPanel(g, v, true, gui.Tr.SLocalize("DeleteRemoteBranch"), message, func(*gocui.Gui, *gocui.View) error {
+		return gui.WithWaitingStatus(gui.Tr.SLocalize("DeletingStatus"), func() error {
+			if err := gui.GitCommand.DeleteRemoteBranch(remoteBranch.RemoteName, remoteBranch.Name); err != nil {
+				return err
+			}
+
+			return gui.refreshRemotes()
+		})
+	}, nil)
+}

pkg/gui/remotes_panel.go

@@ -14,7 +14,7 @@ import (
 
 func (gui *Gui) getSelectedRemote() *commands.Remote {
 	selectedLine := gui.State.Panels.Remotes.SelectedLine
-	if selectedLine == -1 {
+	if selectedLine == -1 || len(gui.State.Remotes) == 0 {
 		return nil
 	}
 
@@ -53,6 +53,8 @@ func (gui *Gui) handleRemoteSelect(g *gocui.Gui, v *gocui.View) error {
 // gui.refreshStatus is called at the end of this because that's when we can
 // be sure there is a state.Remotes array to pick the current remote from
 func (gui *Gui) refreshRemotes() error {
+	prevSelectedRemote := gui.getSelectedRemote()
+
 	remotes, err := gui.GitCommand.GetRemotes()
 	if err != nil {
 		return gui.createErrorPanel(gui.g, err.Error())
@@ -60,8 +62,22 @@ func (gui *Gui) refreshRemotes() error {
 
 	gui.State.Remotes = remotes
 
-	if gui.getBranchesView().Context == "remotes" {
+	// we need to ensure our selected remote branches aren't now outdated
+	if prevSelectedRemote != nil && gui.State.RemoteBranches != nil {
+		// find remote now
+		for _, remote := range remotes {
+			if remote.Name == prevSelectedRemote.Name {
+				gui.State.RemoteBranches = remote.Branches
+			}
+		}
+	}
+
+	// TODO: see if this works for deleting remote branches
+	switch gui.getBranchesView().Context {
+	case "remotes":
 		return gui.renderRemotesWithSelection()
+	case "remote-branches":
+		return gui.renderRemoteBranchesWithSelection()
 	}
 
 	return nil

pkg/i18n/english.go

@@ -864,6 +864,12 @@ func addEnglish(i18nObject *i18n.Bundle) error {
 		}, &i18n.Message{
 			ID:    "removeRemotePrompt",
 			Other: "Are you sure you want to remove remote",
+		}, &i18n.Message{
+			ID:    "DeleteRemoteBranch",
+			Other: "Delete Remote Branch",
+		}, &i18n.Message{
+			ID:    "DeleteRemoteBranchMessage",
+			Other: "Are you sure you want to delete remote branch",
 		},
 	)
 }