nvim: fugitive/git: Add helper to rename branch

nvim/.config/nvim/after/ftplugin/git.vim

@@ -13,3 +13,5 @@ nnoremap <buffer> <Leader>gp :call git#git_cherry_pick()<CR>
 xnoremap <buffer> <Leader>gP :<C-U>call git#git_cherry_pick_range()<CR>
 nnoremap <buffer> <Leader>gr :call git#git_rebase_branch()<CR>
 nnoremap <buffer> <Leader>gR :call git#git_reflog_restore()<CR>
+
+nnoremap <buffer> <expr> <Leader>gn git#git_branch_rename()

nvim/.config/nvim/after/plugin/fugitive.vim

@@ -16,6 +16,7 @@ nnoremap <Leader>gL :Git log --stat -n 100<CR>
 xnoremap <Leader>gl :<C-U>call git#git_log_range()<CR>
 xnoremap <Leader>gL :call git#git_log_named_block()<CR>
 nnoremap <Leader>gM :call git#git_merge_origin()<CR>
+nnoremap <Leader>gn :Git branch -m<SPACE>
 nnoremap <Leader>go :call git#git_log_compare()<CR>
 nnoremap <Leader>gp :Git push<CR>
 nnoremap <Leader>gP :Git push -u<SPACE>

nvim/.config/nvim/autoload/git.vim

@@ -36,6 +36,13 @@ function! git#git_branch_checkout() abort
   silent execute "bw"
 endfunction
 
+" Populate the command line with git command to rename branch on current line.
+" Run Git branch -a first. Not for renaming current branch.
+function! git#git_branch_rename() abort
+  let branch_to_rename = trim(getline('.'))
+  return ":Git branch -m " . branch_to_rename . " "
+endfunction
+
 " Get the log of the branch on current line in the output of Git branch -a.
 function! git#git_branch_log() abort
   let line = trim(getline('.'))