Add option to disable fetching on branch creation

Author: TamaMcGlinn

README.md

@@ -87,13 +87,16 @@ edit the wrong files.
 
 `autopush`: When creating a new worktree, it will push the branch to the upstream then perform a `git rebase`
 
+`fetch_on_create`: When creating a new worktree, do a git fetch. Defaults to true
+
 ```lua
 require("git-worktree").setup({
     change_directory_command = <str> -- default: "cd",
     update_on_change = <boolean> -- default: true,
     update_on_change_command = <str> -- default: "e .",
     clearjumps_on_change = <boolean> -- default: true,
     autopush = <boolean> -- default: false,
+    fetch_on_create = <boolean> -- default: true,
 })
 ```
 

lua/git-worktree/init.lua

@@ -302,13 +302,16 @@ local function create_worktree(path, branch, upstream, found_branch)
         worktree_path = Path:new(git_worktree_root, path):absolute()
     end
 
-    local fetch = Job:new({
-        'git', 'fetch', '--all',
-        cwd = worktree_path,
-        on_start = function()
-            status:next_status("git fetch --all (This may take a moment)")
-        end
-    })
+    local fetch
+    if M._config.fetch_on_create then
+      fetch = Job:new({
+          'git', 'fetch', '--all',
+          cwd = worktree_path,
+          on_start = function()
+              status:next_status("git fetch --all (This may take a moment)")
+          end
+      })
+    end
 
     local set_branch_cmd = 'git'
     local set_branch_args= {'branch', string.format('--set-upstream-to=%s/%s', upstream, branch)}
@@ -343,8 +346,12 @@ local function create_worktree(path, branch, upstream, found_branch)
     })
 
     if upstream ~= nil then
-        create:and_then_on_success(fetch)
-        fetch:and_then_on_success(set_branch)
+        if M._config.fetch_on_create then
+          create:and_then_on_success(fetch)
+          fetch:and_then_on_success(set_branch)
+        else
+          create:and_then_on_success(set_branch)
+        end
 
         if M._config.autopush then
             -- These are "optional" operations.
@@ -357,7 +364,9 @@ local function create_worktree(path, branch, upstream, found_branch)
         end
 
         create:after_failure(failure("create_worktree", create.args, git_worktree_root))
-        fetch:after_failure(failure("create_worktree", fetch.args, worktree_path))
+        if M._config.fetch_on_create then
+          fetch:after_failure(failure("create_worktree", fetch.args, worktree_path))
+        end
 
         set_branch:after_failure(failure("create_worktree", set_branch.args, worktree_path, true))
 
@@ -543,6 +552,7 @@ M.setup = function(config)
         confirm_telescope_deletions = false,
         -- should this default to true or false?
         autopush = false,
+        fetch_on_create = true,
     }, config)
 end