patch 9.1.0869: Problem: curswant not set on gm in folded line

Problem:  curswant not set on gm in folded line
          (citizenmatt)
Solution: in a folded line, call update_curswant_force()

fixes: #11596
closes: #11994
closes: #15398

Signed-off-by: Christian Brabandt <cb@256bit.org>

src/normal.c

@@ -5785,6 +5785,14 @@ nv_g_home_m_cmd(cmdarg_T *cap)
 	curwin->w_valid &= ~VALID_WCOL;
     }
     curwin->w_set_curswant = TRUE;
+#ifdef FEAT_FOLDING
+    if (hasAnyFolding(curwin))
+    {
+	validate_cheight();
+	if (curwin->w_cline_folded)
+	    update_curswant_force();
+    }
+#endif
     adjust_skipcol();
 }
 

src/testdir/test_curswant.vim

@@ -1,4 +1,7 @@
-" Tests for curswant not changing when setting an option
+" Tests for not changing curswant
+
+source check.vim
+source term_util.vim
 
 func Test_curswant()
   new
@@ -19,7 +22,50 @@ func Test_curswant()
   let &ttimeoutlen=&ttimeoutlen
   call assert_equal(7, winsaveview().curswant)
 
-  enew!
+  bw!
+endfunc
+
+func Test_normal_gm()
+  CheckRunVimInTerminal
+  let lines =<< trim END
+    call setline(1, repeat(["  abcd\tefgh\tij"], 10))
+    call cursor(1, 1)
+  END
+  call writefile(lines, 'XtestCurswant', 'D')
+  let buf = RunVimInTerminal('-S XtestCurswant', #{rows: 10})
+  if has("folding")
+    call term_sendkeys(buf, "jVjzf")
+    " gm
+    call term_sendkeys(buf, "gmk")
+    call term_sendkeys(buf, ":echo virtcol('.')\<cr>")
+    call WaitFor({-> term_getline(buf, 10) =~ '^18\s\+'})
+    " g0
+    call term_sendkeys(buf, "jg0k")
+    call term_sendkeys(buf, ":echo virtcol('.')\<cr>")
+    call WaitFor({-> term_getline(buf, 10) =~ '^1\s\+'})
+    " g^
+    call term_sendkeys(buf, "jg^k")
+    call term_sendkeys(buf, ":echo virtcol('.')\<cr>")
+    call WaitFor({-> term_getline(buf, 10) =~ '^3\s\+'})
+  endif
+  call term_sendkeys(buf, ":call cursor(10, 1)\<cr>")
+  " gm
+  call term_sendkeys(buf, "gmk")
+  call term_sendkeys(buf, ":echo virtcol('.')\<cr>")
+  call term_wait(buf)
+  call WaitFor({-> term_getline(buf, 10) =~ '^18\s\+'})
+  " g0
+  call term_sendkeys(buf, "g0k")
+  call term_sendkeys(buf, ":echo virtcol('.')\<cr>")
+  call WaitFor({-> term_getline(buf, 10) =~ '^1\s\+'})
+  " g^
+  call term_sendkeys(buf, "g^k")
+  call term_sendkeys(buf, ":echo virtcol('.')\<cr>")
+  call WaitFor({-> term_getline(buf, 10) =~ '^3\s\+'})
+  " clean up
+  call StopVimInTerminal(buf)
+  wincmd p
+  wincmd c
 endfunc
 
 " vim: shiftwidth=2 sts=2 expandtab

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    869,
 /**/
     868,
 /**/