Merge #5933 from justinmk/dir-bufenter

open_buffer(): Raise `BufEnter` for directories.

src/nvim/buffer.c

@@ -189,14 +189,18 @@ open_buffer (
       curwin->w_cursor.lnum = 1;
       curwin->w_cursor.col = 0;
 
-      /* Set or reset 'modified' before executing autocommands, so that
-       * it can be changed there. */
-      if (!readonlymode && !bufempty())
+      // Set or reset 'modified' before executing autocommands, so that
+      // it can be changed there.
+      if (!readonlymode && !bufempty()) {
         changed();
-      else if (retval != FAIL)
-        unchanged(curbuf, FALSE);
-      apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, FALSE,
-          curbuf, &retval);
+      } else if (retval == OK) {
+        unchanged(curbuf, false);
+      }
+
+      if (retval == OK) {
+        apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, false,
+                              curbuf, &retval);
+      }
     }
   }
 
@@ -206,22 +210,21 @@ open_buffer (
     parse_cino(curbuf);
   }
 
-  /*
-   * Set/reset the Changed flag first, autocmds may change the buffer.
-   * Apply the automatic commands, before processing the modelines.
-   * So the modelines have priority over auto commands.
-   */
-  /* When reading stdin, the buffer contents always needs writing, so set
-   * the changed flag.  Unless in readonly mode: "ls | nvim -R -".
-   * When interrupted and 'cpoptions' contains 'i' set changed flag. */
+  // Set/reset the Changed flag first, autocmds may change the buffer.
+  // Apply the automatic commands, before processing the modelines.
+  // So the modelines have priority over auto commands.
+
+  // When reading stdin, the buffer contents always needs writing, so set
+  // the changed flag.  Unless in readonly mode: "ls | nvim -R -".
+  // When interrupted and 'cpoptions' contains 'i' set changed flag.
   if ((got_int && vim_strchr(p_cpo, CPO_INTMOD) != NULL)
-      || modified_was_set               /* ":set modified" used in autocmd */
-      || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL)
-      )
+      || modified_was_set               // ":set modified" used in autocmd
+      || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL)) {
     changed();
-  else if (retval != FAIL && !read_stdin)
-    unchanged(curbuf, FALSE);
-  save_file_ff(curbuf);                 /* keep this fileformat */
+  } else if (retval == OK && !read_stdin) {
+    unchanged(curbuf, false);
+  }
+  save_file_ff(curbuf);                 // keep this fileformat
 
   /* require "!" to overwrite the file, because it wasn't read completely */
   if (aborting())

src/nvim/ex_cmds.c

@@ -1193,8 +1193,8 @@ static void do_filter(
 
   if (do_out) {
     if (otmp != NULL) {
-      if (readfile(otmp, NULL, line2, (linenr_T)0, (linenr_T)MAXLNUM,
-              eap, READ_FILTER) == FAIL) {
+      if (readfile(otmp, NULL, line2, (linenr_T)0, (linenr_T)MAXLNUM, eap,
+                   READ_FILTER) != OK) {
         if (!aborting()) {
           msg_putchar('\n');
           EMSG2(_(e_notread), otmp);

src/nvim/ex_docmd.c

@@ -6910,9 +6910,10 @@ static void ex_read(exarg_T *eap)
           eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
 
     }
-    if (i == FAIL) {
-      if (!aborting())
+    if (i != OK) {
+      if (!aborting()) {
         EMSG2(_(e_notopen), eap->arg);
+      }
     } else {
       if (empty && exmode_active) {
         /* Delete the empty line that remains.  Historically ex does

src/nvim/fileio.c

@@ -249,7 +249,7 @@ void filemess(buf_T *buf, char_u *name, char_u *s, int attr)
  * READ_DUMMY	read into a dummy buffer (to check if file contents changed)
  * READ_KEEP_UNDO  don't clear undo info or read it from a file
  *
- * return FAIL for failure, OK otherwise
+ * return FAIL for failure, NOTDONE for directory (failure), or OK
  */
 int 
 readfile (
@@ -258,7 +258,7 @@ readfile (
     linenr_T from,
     linenr_T lines_to_skip,
     linenr_T lines_to_read,
-    exarg_T *eap,                       /* can be NULL! */
+    exarg_T *eap,                       // can be NULL!
     int flags
 )
 {
@@ -444,13 +444,14 @@ readfile (
         // ... or a character special file named /dev/fd/<n>
 # endif
         ) {
-      if (S_ISDIR(perm))
+      if (S_ISDIR(perm)) {
         filemess(curbuf, fname, (char_u *)_("is a directory"), 0);
-      else
+      } else {
         filemess(curbuf, fname, (char_u *)_("is not a file"), 0);
+      }
       msg_end();
       msg_scroll = msg_save;
-      return FAIL;
+      return S_ISDIR(perm) ? NOTDONE : FAIL;
     }
 #endif
   }
@@ -5104,13 +5105,13 @@ void buf_reload(buf_T *buf, int orig_mode)
   }
 
   if (saved == OK) {
-    curbuf->b_flags |= BF_CHECK_RO;           /* check for RO again */
-    keep_filetype = TRUE;                     /* don't detect 'filetype' */
-    if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0,
-            (linenr_T)0,
-            (linenr_T)MAXLNUM, &ea, flags) == FAIL) {
-      if (!aborting())
+    curbuf->b_flags |= BF_CHECK_RO;           // check for RO again
+    keep_filetype = true;                     // don't detect 'filetype'
+    if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0, (linenr_T)0,
+                 (linenr_T)MAXLNUM, &ea, flags) != OK) {
+      if (!aborting()) {
         EMSG2(_("E321: Could not reload \"%s\""), buf->b_fname);
+      }
       if (savebuf != NULL && buf_valid(savebuf) && buf == curbuf) {
         /* Put the text back from the save buffer.  First
          * delete any lines that readfile() added. */

src/nvim/memline.c

@@ -1063,11 +1063,12 @@ void ml_recover(void)
             if (!cannot_open) {
               line_count = pp->pb_pointer[idx].pe_line_count;
               if (readfile(curbuf->b_ffname, NULL, lnum,
-                      pp->pb_pointer[idx].pe_old_lnum - 1,
-                      line_count, NULL, 0) == FAIL)
-                cannot_open = TRUE;
-              else
+                           pp->pb_pointer[idx].pe_old_lnum - 1, line_count,
+                           NULL, 0) != OK) {
+                cannot_open = true;
+              } else {
                 lnum += line_count;
+              }
             }
             if (cannot_open) {
               ++error;

test/functional/api/server_requests_spec.lua

@@ -8,8 +8,6 @@ local nvim_prog, command, funcs = helpers.nvim_prog, helpers.command, helpers.fu
 local source, next_message = helpers.source, helpers.next_message
 local meths = helpers.meths
 
-if helpers.pending_win32(pending) then return end
-
 describe('server -> client', function()
   local cid
 
@@ -212,6 +210,8 @@ describe('server -> client', function()
       funcs.jobstop(jobid)
     end)
 
+    if helpers.pending_win32(pending) then return end
+
     it('rpc and text stderr can be combined', function()
       eq("ok",funcs.rpcrequest(jobid, "poll"))
       funcs.rpcnotify(jobid, "ping")

test/functional/autocmd/bufenter_spec.lua

@@ -0,0 +1,35 @@
+local helpers = require('test.functional.helpers')(after_each)
+
+local clear = helpers.clear
+local command = helpers.command
+local eq = helpers.eq
+local eval = helpers.eval
+local execute = helpers.execute
+local request = helpers.request
+local source = helpers.source
+
+describe('autocmd BufEnter', function()
+  before_each(clear)
+
+  it("triggered by nvim_command('edit <dir>')", function()
+    command("autocmd BufEnter * if isdirectory(expand('<afile>')) | let g:dir_bufenter = 1 | endif")
+    request("nvim_command", "split .")
+    eq(1, eval("exists('g:dir_bufenter')"))  -- Did BufEnter for the directory.
+    eq(2, eval("bufnr('%')"))                -- Switched to the dir buffer.
+  end)
+
+  it('triggered by "try|:split <dir>|endtry" in a function', function()
+    command("autocmd BufEnter * if isdirectory(expand('<afile>')) | let g:dir_bufenter = 1 | endif")
+    source([[
+      function! Test()
+        try
+          exe 'split .'
+        catch
+        endtry
+      endfunction
+    ]])
+    execute("call Test()")
+    eq(1, eval("exists('g:dir_bufenter')"))  -- Did BufEnter for the directory.
+    eq(2, eval("bufnr('%')"))                -- Switched to the dir buffer.
+  end)
+end)

test/functional/autocmd/tabnew_spec.lua

@@ -5,8 +5,6 @@ local command = helpers.command
 local eq = helpers.eq
 local eval = helpers.eval
 
-if helpers.pending_win32(pending) then return end
-
 describe('autocmd TabNew', function()
   before_each(clear)
 
@@ -19,12 +17,11 @@ describe('autocmd TabNew', function()
   end)
 
   it('matches when opening a new tab for FILE', function()
-    local tmp_path = helpers.funcs.tempname()
     command('let g:test = "foo"')
-    command('autocmd! TabNew ' .. tmp_path .. ' let g:test = "bar"')
-    command('tabnew ' .. tmp_path ..'X')
+    command('autocmd! TabNew Xtest-tabnew let g:test = "bar"')
+    command('tabnew Xtest-tabnewX')
     eq('foo', eval('g:test'))
-    command('tabnew ' .. tmp_path)
+    command('tabnew Xtest-tabnew')
     eq('bar', eval('g:test'))
   end)
 end)

test/functional/autocmd/tabnewentered_spec.lua

@@ -1,8 +1,6 @@
 local helpers = require('test.functional.helpers')(after_each)
 local clear, nvim, eq = helpers.clear, helpers.nvim, helpers.eq
 
-if helpers.pending_win32(pending) then return end
-
 describe('TabNewEntered', function()
   describe('au TabNewEntered', function()
     describe('with * as <afile>', function()
@@ -15,9 +13,9 @@ describe('TabNewEntered', function()
     end)
     describe('with FILE as <afile>', function()
       it('matches when opening a new tab for FILE', function()
-        local tmp_path = nvim('eval', 'tempname()')
-        nvim('command', 'au! TabNewEntered '..tmp_path..' echom "tabnewentered:match"')
-        eq("\n\""..tmp_path.."\" [New File]\ntabnewentered:4:4\ntabnewentered:match", nvim('command_output', 'tabnew '..tmp_path))
+        nvim('command', 'au! TabNewEntered Xtest-tabnewentered echom "tabnewentered:match"')
+        eq('\n"Xtest-tabnewentered" [New File]\ntabnewentered:4:4\ntabnewentered:match',
+          nvim('command_output', 'tabnew Xtest-tabnewentered'))
      end)
     end)
     describe('with CTRL-W T', function()

test/functional/core/job_partial_spec.lua

@@ -2,13 +2,14 @@ local helpers = require('test.functional.helpers')(after_each)
 local clear, eq, next_msg, nvim, source = helpers.clear, helpers.eq,
   helpers.next_message, helpers.nvim, helpers.source
 
-if helpers.pending_win32(pending) then return end
-
 describe('jobs with partials', function()
   local channel
 
   before_each(function()
     clear()
+    if helpers.os_name() == 'windows' then
+      helpers.set_shell_powershell()
+    end
     channel = nvim('get_api_info')[1]
     nvim('set_var', 'channel', channel)
   end)
@@ -16,12 +17,14 @@ describe('jobs with partials', function()
   it('works correctly', function()
     source([[
     function PrintArgs(a1, a2, id, data, event)
-      call rpcnotify(g:channel, '1', a:a1,  a:a2, a:data, a:event)
+      " Windows: Remove ^M char.
+      let normalized = map(a:data, 'substitute(v:val, "\r", "", "g")')
+      call rpcnotify(g:channel, '1', a:a1,  a:a2, normalized, a:event)
     endfunction
     let Callback = function('PrintArgs', ["foo", "bar"])
     let g:job_opts = {'on_stdout': Callback}
-    call jobstart(['echo'], g:job_opts)
+    call jobstart('echo "some text"', g:job_opts)
     ]])
-    eq({'notification', '1', {'foo', 'bar', {'', ''}, 'stdout'}}, next_msg())
+    eq({'notification', '1', {'foo', 'bar', {'some text', ''}, 'stdout'}}, next_msg())
   end)
 end)

test/functional/eval/server_spec.lua

@@ -4,8 +4,6 @@ local nvim, eq, neq, eval = helpers.nvim, helpers.eq, helpers.neq, helpers.eval
 local clear, funcs, meths = helpers.clear, helpers.funcs, helpers.meths
 local os_name = helpers.os_name
 
-if helpers.pending_win32(pending) then return end
-
 describe('serverstart(), serverstop()', function()
   before_each(clear)
 
@@ -42,8 +40,8 @@ describe('serverstart(), serverstop()', function()
 
     -- v:servername will take the next available server.
     local servername = (os_name() == 'windows'
-                        and [[\\.\pipe\Xtest-functional-server-server-pipe]]
-                        or 'Xtest-functional-server-server-socket')
+                        and [[\\.\pipe\Xtest-functional-server-pipe]]
+                        or 'Xtest-functional-server-socket')
     funcs.serverstart(servername)
     eq(servername, meths.get_vvar('servername'))
   end)
@@ -63,9 +61,11 @@ describe('serverlist()', function()
     local n = eval('len(serverlist())')
 
     -- Add a few
-    local servs = {'should-not-exist', 'another-one-that-shouldnt'}
+    local servs = (os_name() == 'windows'
+      and { [[\\.\pipe\Xtest-pipe0934]], [[\\.\pipe\Xtest-pipe4324]] }
+      or  { [[Xtest-pipe0934]], [[Xtest-pipe4324]] })
     for _, s in ipairs(servs) do
-      eq(s, eval('serverstart("'..s..'")'))
+      eq(s, eval("serverstart('"..s.."')"))
     end
 
     local new_servs = eval('serverlist()')
@@ -75,10 +75,9 @@ describe('serverlist()', function()
     -- The new servers should be at the end of the list.
     for i = 1, #servs do
       eq(servs[i], new_servs[i + n])
-      nvim('command', 'call serverstop("'..servs[i]..'")')
+      nvim('command', "call serverstop('"..servs[i].."')")
     end
-    -- After calling serverstop() on the new servers, they should no longer be
-    -- in the list.
+    -- After serverstop() the servers should NOT be in the list.
     eq(n, eval('len(serverlist())'))
   end)
 end)

test/functional/helpers.lua

@@ -346,6 +346,14 @@ local function source(code)
   return fname
 end
 
+local function set_shell_powershell()
+  source([[
+    set shell=powershell shellquote=\" shellpipe=\| shellredir=>
+    set shellcmdflag=\ -ExecutionPolicy\ RemoteSigned\ -Command
+    let &shellxquote=' '
+  ]])
+end
+
 local function nvim(method, ...)
   return request('nvim_'..method, ...)
 end
@@ -590,6 +598,7 @@ return function(after_each)
     curtabmeths = curtabmeths,
     pending_win32 = pending_win32,
     skip_fragile = skip_fragile,
+    set_shell_powershell = set_shell_powershell,
     tmpname = tmpname,
     NIL = mpack.NIL,
   }