refactor(git): extract repo.resolve_cwd helper

lua/git/cmd.lua

@@ -189,11 +189,7 @@ end
 
 ---@param args string[]
 function M.run(args)
-    local path = vim.api.nvim_buf_get_name(0)
-    if path == "" then
-        path = vim.fn.getcwd()
-    end
-    local _, worktree = repo.resolve(path)
+    local _, worktree = repo.resolve_cwd()
     if not worktree then
         log.warning("not in a git repository")
         return

lua/git/commit.lua

@@ -6,11 +6,7 @@ local M = {}
 ---@param opts { amend: boolean? }?
 function M.commit(opts)
     local amend = opts and opts.amend or false
-    local path = vim.api.nvim_buf_get_name(0)
-    if path == "" then
-        path = vim.fn.getcwd()
-    end
-    local gitdir, worktree = repo.resolve(path)
+    local gitdir, worktree = repo.resolve_cwd()
     if not gitdir or not worktree then
         log.warning("not in a git repository")
         return

lua/git/log_win.lua

@@ -7,11 +7,7 @@ local M = {}
 local LOG_FORMAT = "%h %ad {%an}%d %s"
 
 function M.show()
-    local path = vim.api.nvim_buf_get_name(0)
-    if path == "" then
-        path = vim.fn.getcwd()
-    end
-    local _, worktree = repo.resolve(path)
+    local _, worktree = repo.resolve_cwd()
     if not worktree then
         log.warning("not in a git repository")
         return

lua/git/repo.lua

@@ -83,6 +83,18 @@ local function resolve(path)
     return vim.fs.normalize(gitdir), worktree
 end
 
+---Resolve the gitdir/worktree from the current buffer's file path, falling
+---back to `vim.fn.getcwd()` when the buffer is unnamed. Returns nil for
+---both when not inside a git repo.
+---@return string?, string?  gitdir, worktree
+local function resolve_cwd()
+    local path = vim.api.nvim_buf_get_name(0)
+    if path == "" then
+        path = vim.fn.getcwd()
+    end
+    return resolve(path)
+end
+
 ---@class ow.Git.Repo
 ---@field gitdir string
 ---@field worktree string
@@ -312,6 +324,7 @@ return {
     indicator = indicator,
     refresh_buf = refresh_buf,
     resolve = resolve,
+    resolve_cwd = resolve_cwd,
     rev_parse = rev_parse,
     stop_all = stop_all,
     unregister = unregister,

lua/git/status_win.lua

@@ -842,11 +842,7 @@ function M.toggle()
         vim.api.nvim_win_close(sidebar_win, false)
         return
     end
-    local path = vim.api.nvim_buf_get_name(vim.api.nvim_get_current_buf())
-    if path == "" then
-        path = vim.fn.getcwd()
-    end
-    local _, worktree = repo.resolve(path)
+    local _, worktree = repo.resolve_cwd()
     if not worktree then
         log.warning("not in a git repository")
         return