Git show is empty if cwd is not the repository root

[notEvil]

Description

When cwd is not the repository root, buffer_history_preview shows the list of commits but no diffs. The reason is that git show isn't called correctly in this case. The following change fixes the issue with buffer_history_preview for me:

diff --git a/lua/vgit/git/cli/Git.lua b/lua/vgit/git/cli/Git.lua
index d3df46d..2638f07 100644
--- a/lua/vgit/git/cli/Git.lua
+++ b/lua/vgit/git/cli/Git.lua
@@ -634,7 +634,7 @@ Git.show = loop.suspend(function(self, tracked_filename, commit_hash, spec, call
       '-C',
       self.cwd,
       'show',
-      string.format('%s:%s%s', commit_hash, self.cwd, tracked_filename),
+      string.format('%s:./%s', commit_hash, tracked_filename),
     }),
     on_stdout = function(line) result[#result + 1] = line end,
     on_stderr = function(line) err[#err + 1] = line end,
@@ -658,7 +658,7 @@ Git.is_in_remote = loop.suspend(function(self, tracked_filename, commit_hash, sp
       '-C',
       self.cwd,
       'show',
-      string.format('%s:%s%s', commit_hash, self.cwd, tracked_filename),
+      string.format('%s:./%s', commit_hash, tracked_filename),
     }),
     on_stderr = function(line)
       if line then

• nvim --version output:

NVIM v0.10.0
Build type: Release
LuaJIT 2.1.1716656478
Run "nvim -V1 -v" for more info

• Operating system:

Arch Linux