From 7d12597d29e60239fd5c586417b48982893c174e Mon Sep 17 00:00:00 2001
From: "Justin M. Keyes" <justinkz@gmail.com>
Date: Thu, 1 Feb 2018 23:50:12 +0100
Subject: vim-patch:8.0.0692: CTRL-G with 'incsearch' and ? goes in the wrong
 direction

Problem:    Using CTRL-G with 'incsearch' and ? goes in the wrong direction.
            (Ramel Eshed)
Solution:   Adjust search_start. (Christian Brabandt)

https://github.com/vim/vim/commit/da5116da4586fc714434411d2cccb066caa3723e
---
 src/nvim/ex_getln.c              |  7 +++++++
 src/nvim/testdir/test_search.vim | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+)

(limited to 'src')

diff --git a/src/nvim/ex_getln.c b/src/nvim/ex_getln.c
index bbe1d22473..c99ae687bb 100644
--- a/src/nvim/ex_getln.c
+++ b/src/nvim/ex_getln.c
@@ -1063,6 +1063,13 @@ static void command_line_next_incsearch(CommandLineState *s, bool next_match)
       s->search_start = t;
       (void)decl(&s->search_start);
     }
+    else if (next_match && s->firstc == '?') {
+      // move just after the current match, so that
+      // when nv_search finishes the cursor will be
+      // put back on the match
+      s->search_start = t;
+      (void)incl(&s->search_start);
+    }
     if (lt(t, s->search_start) && next_match) {
       // wrap around
       s->search_start = t;
diff --git a/src/nvim/testdir/test_search.vim b/src/nvim/testdir/test_search.vim
index 6276eb2a34..af077c16c2 100644
--- a/src/nvim/testdir/test_search.vim
+++ b/src/nvim/testdir/test_search.vim
@@ -327,3 +327,39 @@ func Test_search_cmdline3()
   call test_override("char_avail", 0)
   bw!
 endfunc
+
+func Test_search_cmdline4()
+  " See test/functional/legacy/search_spec.lua
+  throw 'skipped: Nvim does not support test_override()'
+  if !exists('+incsearch')
+    return
+  endif
+  " need to disable char_avail,
+  " so that expansion of commandline works
+  call test_override("char_avail", 1)
+  new
+  call setline(1, ['  1 the first', '  2 the second', '  3 the third'])
+  set incsearch
+  $
+  call feedkeys("?the\<c-g>\<cr>", 'tx')
+  call assert_equal('  3 the third', getline('.'))
+  $
+  call feedkeys("?the\<c-g>\<c-g>\<cr>", 'tx')
+  call assert_equal('  1 the first', getline('.'))
+  $
+  call feedkeys("?the\<c-g>\<c-g>\<c-g>\<cr>", 'tx')
+  call assert_equal('  2 the second', getline('.'))
+  $
+  call feedkeys("?the\<c-t>\<cr>", 'tx')
+  call assert_equal('  1 the first', getline('.'))
+  $
+  call feedkeys("?the\<c-t>\<c-t>\<cr>", 'tx')
+  call assert_equal('  3 the third', getline('.'))
+  $
+  call feedkeys("?the\<c-t>\<c-t>\<c-t>\<cr>", 'tx')
+  call assert_equal('  2 the second', getline('.'))
+  " clean up
+  set noincsearch
+  call test_override("char_avail", 0)
+  bw!
+endfunc
-- 
cgit