From bcfd9372dc8071c46aea75445c0232a672cc115c Mon Sep 17 00:00:00 2001
From: Sanchayan Maity <me@sanchayanmaity.net>
Date: Wed, 27 Nov 2024 11:56:05 +0530
Subject: [PATCH] nvim: fugitive: Add mapping to view file on another branch

---
 nvim/.config/nvim/after/plugin/fugitive.vim | 1 +
 nvim/.config/nvim/autoload/git.vim          | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/nvim/.config/nvim/after/plugin/fugitive.vim b/nvim/.config/nvim/after/plugin/fugitive.vim
index d5f9fcb..ead892c 100644
--- a/nvim/.config/nvim/after/plugin/fugitive.vim
+++ b/nvim/.config/nvim/after/plugin/fugitive.vim
@@ -36,6 +36,7 @@ nnoremap <Leader>G  :keepalt Git<SPACE>
 
 nnoremap <Leader>gp :call git#git_push_to_upstream()<CR>
 nnoremap <expr> <Leader>gP git#git_push()
+nnoremap <expr> <Leader>gO git#git_show_file_on_branch()
 
 augroup custom_fugitive
   autocmd!
diff --git a/nvim/.config/nvim/autoload/git.vim b/nvim/.config/nvim/autoload/git.vim
index 8f03ec3..5f53436 100644
--- a/nvim/.config/nvim/autoload/git.vim
+++ b/nvim/.config/nvim/autoload/git.vim
@@ -289,6 +289,11 @@ function! git#git_review_fileview() abort
   execute "Git difftool -y " . default[3] . "..." . current
 endfunction
 
+" Show file on another branch without changing current branch
+function! git#git_show_file_on_branch() abort
+  return ":Git show :" . expand("%")
+endfunction
+
 " Generate a helpful name when using Git stash
 function! git#git_stash() abort
   let current = trim(system("git branch --show-current"))