# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1682010904 -7200
# Node ID e47739c4948760734f6541f2bf612705c2549ffe
# Parent  66e6a2f7c00b4a207065e96a58d19f0f1c29c94e
patch 9.0.1472: ":drop fname" may change the last used tab page

Commit: https://github.com/vim/vim/commit/8281a16efc76197f7b0b2a385dffb44fce66d33e
Author: Bram Moolenaar <Bram@vim.org>
Date:   Thu Apr 20 18:07:57 2023 +0100

    patch 9.0.1472: ":drop fname" may change the last used tab page

    Problem:    ":drop fname" may change the last used tab page.
    Solution:   Restore the last used tab page when :drop has changed it.
                (closes #12087)

diff --git a/src/arglist.c b/src/arglist.c
--- a/src/arglist.c
+++ b/src/arglist.c
@@ -1240,6 +1240,8 @@ do_arg_all(
     need_mouse_correct = TRUE;
 #endif
 
+    tabpage_T *new_lu_tp = curtab;
+
     // Try closing all windows that are not in the argument list.
     // Also close windows that are not full width;
     // When 'hidden' or "forceit" set the buffer becomes hidden.
@@ -1247,6 +1249,10 @@ do_arg_all(
     // When the ":tab" modifier was used do this for all tab pages.
     arg_all_close_unused_windows(&aall);
 
+    // Now set the last used tabpage to where we started.
+    if (valid_tabpage(new_lu_tp))
+	lastused_tabpage = new_lu_tp;
+
     // Open a window for files in the argument list that don't have one.
     // ARGCOUNT may change while doing this, because of autocommands.
     if (count > aall.opened_len || count <= 0)
diff --git a/src/testdir/test_tabpage.vim b/src/testdir/test_tabpage.vim
--- a/src/testdir/test_tabpage.vim
+++ b/src/testdir/test_tabpage.vim
@@ -150,6 +150,22 @@ function Test_tabpage()
   tabonly!
 endfunc
 
+func Test_tabpage_drop()
+  edit f1
+  tab split f2
+  tab split f3
+  normal! gt
+  call assert_equal(1, tabpagenr())
+
+  tab drop f3
+  call assert_equal(3, tabpagenr())
+  call assert_equal(1, tabpagenr('#'))
+  bwipe!
+  bwipe!
+  bwipe!
+  call assert_equal(1, tabpagenr('$'))
+endfunc
+
 " Test autocommands
 function Test_tabpage_with_autocmd()
   command -nargs=1 -bar C :call add(s:li, '=== ' . <q-args> . ' ===')|<args>
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1472,
+/**/
     1471,
 /**/
     1470,