From 6600d2af20fc8df1765fbc68283de2a4da17e190 Mon Sep 17 00:00:00 2001
From: William Boman <william@redwill.se>
Date: Wed, 16 Nov 2022 19:59:10 +0100
Subject: feat(pip): add setting to upgrade pip before installing packages
 (#671)

Closes #616.
---
 lua/mason-core/managers/pip3/init.lua | 12 ++++++++++++
 lua/mason/settings.lua                |  5 ++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

(limited to 'lua')

diff --git a/lua/mason-core/managers/pip3/init.lua b/lua/mason-core/managers/pip3/init.lua
index 67f70a89..aeca0ce0 100644
--- a/lua/mason-core/managers/pip3/init.lua
+++ b/lua/mason-core/managers/pip3/init.lua
@@ -64,6 +64,18 @@ function M.install(packages)
 
     Optional.of_nilable(executable)
         :if_present(function()
+            if settings.current.pip.upgrade_pip then
+                ctx.spawn.python {
+                    "-m",
+                    "pip",
+                    "--disable-pip-version-check",
+                    "install",
+                    "-U",
+                    settings.current.pip.install_args,
+                    "pip",
+                    with_paths = { M.venv_path(ctx.cwd:get()) },
+                }
+            end
             ctx.spawn.python {
                 "-m",
                 "pip",
diff --git a/lua/mason/settings.lua b/lua/mason/settings.lua
index 4322988f..9bdc0f9c 100644
--- a/lua/mason/settings.lua
+++ b/lua/mason/settings.lua
@@ -15,6 +15,9 @@ local DEFAULT_SETTINGS = {
     PATH = "prepend",
 
     pip = {
+        -- Whether to upgrade pip to the latest version in the virtual environment before installing packages.
+        upgrade_pip = false,
+
         -- These args will be added to `pip install` calls. Note that setting extra args might impact intended behavior
         -- and is not recommended.
         --
@@ -92,7 +95,7 @@ M.current = M._DEFAULT_SETTINGS
 
 ---@param opts MasonSettings
 function M.set(opts)
-    M.current = vim.tbl_deep_extend("force", M.current, opts)
+    M.current = vim.tbl_deep_extend("force", vim.deepcopy(M.current), opts)
 end
 
 return M
-- 
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