From 23fefb6b7c36cdf19f6c97367973e6a34989157f Mon Sep 17 00:00:00 2001
From: Armand Touminet <accounts@atouminet.fr>
Date: Sun, 7 May 2023 03:05:42 +0200
Subject: [PATCH 1/4] remove REPL history clear when starting a new session

---
 lua/dap/session.lua | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lua/dap/session.lua b/lua/dap/session.lua
index 8dc4a6ee..f205367f 100644
--- a/lua/dap/session.lua
+++ b/lua/dap/session.lua
@@ -1623,7 +1623,6 @@ end
 --- Initialize the debug session
 ---@param config Configuration
 function Session:initialize(config)
-  vim.schedule(repl.clear)
   local adapter_responded = false
   self.config = config
   self:request('initialize', {

From 83729f206102a7bb0b789044dae24b8a08a9dff0 Mon Sep 17 00:00:00 2001
From: Armand Touminet <accounts@atouminet.fr>
Date: Mon, 8 May 2023 18:55:48 +0200
Subject: [PATCH 2/4] clear REPL output on session startup, set maximum REPL
 history size

---
 lua/dap/repl.lua    | 14 +++++++-------
 lua/dap/session.lua |  1 +
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/lua/dap/repl.lua b/lua/dap/repl.lua
index de4c8cce..7efe2e8b 100644
--- a/lua/dap/repl.lua
+++ b/lua/dap/repl.lua
@@ -6,7 +6,8 @@ local M = {}
 local history = {
   last = nil,
   entries = {},
-  idx = 1
+  idx = 1,
+  max_size = 5000,
 }
 
 local autoscroll = vim.fn.has('nvim-0.7') == 1
@@ -226,6 +227,9 @@ function execute(text)
     end
   else
     history.last = text
+    if #history.entries == history.max_size then
+      table.remove(history.entries, 1)
+    end
     table.insert(history.entries, text)
     history.idx = #history.entries + 1
   end
@@ -245,8 +249,7 @@ function execute(text)
     return
   elseif vim.tbl_contains(M.commands.clear, text) then
     if repl.buf and api.nvim_buf_is_loaded(repl.buf) then
-      local layer = ui.layer(repl.buf)
-      layer.render({}, tostring, {}, 0, - 1)
+      M.clear_output()
     end
     return
   end
@@ -383,10 +386,7 @@ function M.append(line, lnum, opts)
 end
 
 
-function M.clear()
-  history.last = nil
-  history.entries = {}
-  history.idx = 1
+function M.clear_output()
   if repl.buf and api.nvim_buf_is_loaded(repl.buf) then
     local layer = ui.layer(repl.buf)
     layer.render({}, tostring, {}, 0, - 1)
diff --git a/lua/dap/session.lua b/lua/dap/session.lua
index f205367f..71a2f72a 100644
--- a/lua/dap/session.lua
+++ b/lua/dap/session.lua
@@ -1623,6 +1623,7 @@ end
 --- Initialize the debug session
 ---@param config Configuration
 function Session:initialize(config)
+  vim.schedule(repl.clear_output)
   local adapter_responded = false
   self.config = config
   self:request('initialize', {

From dffdd74459146f656f1a5eb8903fb381eca8db35 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mathias=20Fu=C3=9Fenegger?=
 <mfussenegger@users.noreply.github.com>
Date: Wed, 17 May 2023 20:52:14 +0200
Subject: [PATCH 3/4] Apply suggestions from code review

---
 lua/dap/repl.lua    | 4 ++--
 lua/dap/session.lua | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lua/dap/repl.lua b/lua/dap/repl.lua
index 7efe2e8b..1efbd202 100644
--- a/lua/dap/repl.lua
+++ b/lua/dap/repl.lua
@@ -249,7 +249,7 @@ function execute(text)
     return
   elseif vim.tbl_contains(M.commands.clear, text) then
     if repl.buf and api.nvim_buf_is_loaded(repl.buf) then
-      M.clear_output()
+      M.clear()
     end
     return
   end
@@ -386,7 +386,7 @@ function M.append(line, lnum, opts)
 end
 
 
-function M.clear_output()
+function M.clear()
   if repl.buf and api.nvim_buf_is_loaded(repl.buf) then
     local layer = ui.layer(repl.buf)
     layer.render({}, tostring, {}, 0, - 1)
diff --git a/lua/dap/session.lua b/lua/dap/session.lua
index 71a2f72a..8dc4a6ee 100644
--- a/lua/dap/session.lua
+++ b/lua/dap/session.lua
@@ -1623,7 +1623,7 @@ end
 --- Initialize the debug session
 ---@param config Configuration
 function Session:initialize(config)
-  vim.schedule(repl.clear_output)
+  vim.schedule(repl.clear)
   local adapter_responded = false
   self.config = config
   self:request('initialize', {

From 3b806b0f382da8ea1635c2a3772e7a89734ab6ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mathias=20Fu=C3=9Fenegger?=
 <mfussenegger@users.noreply.github.com>
Date: Wed, 17 May 2023 20:52:42 +0200
Subject: [PATCH 4/4] Update lua/dap/repl.lua

---
 lua/dap/repl.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lua/dap/repl.lua b/lua/dap/repl.lua
index 1efbd202..20522444 100644
--- a/lua/dap/repl.lua
+++ b/lua/dap/repl.lua
@@ -7,7 +7,7 @@ local history = {
   last = nil,
   entries = {},
   idx = 1,
-  max_size = 5000,
+  max_size = 100,
 }
 
 local autoscroll = vim.fn.has('nvim-0.7') == 1