patch 8.0.1240: MS-Windows: term_start() does not support environment

Problem:    MS-Windows: term_start() does not support environment.
Solution:   Implement the environment argument. (Yasuhiro Matsumoto, closes
            #2264)

src/os_win32.c

@@ -5033,8 +5033,8 @@ job_io_file_open(
  * Turn the dictionary "env" into a NUL separated list that can be used as the
  * environment argument of vim_create_process().
  */
-    static void
+    void
-make_job_env(garray_T *gap, dict_T *env)
+win32_build_env(dict_T *env, garray_T *gap)
 {
     hashitem_T	*hi;
     int		todo = (int)env->dv_hashtab.ht_used;
@@ -5133,7 +5133,7 @@ mch_job_start(char *cmd, job_T *job, jobopt_T *options)
     }
 
     if (options->jo_env != NULL)
-	make_job_env(&ga, options->jo_env);
+	win32_build_env(options->jo_env, &ga);
 
     ZeroMemory(&pi, sizeof(pi));
     ZeroMemory(&si, sizeof(si));

src/proto/os_win32.pro

@@ -67,4 +67,5 @@ void used_file_arg(char *name, int literal, int full_path, int diff_mode);
 void set_alist_count(void);
 void fix_arg_enc(void);
 int mch_setenv(char *var, char *value, int x);
+void win32_build_env(dict_T *l, garray_T *gap);
 /* vim: set ft=c : */

src/terminal.c

@@ -46,9 +46,18 @@
  * - Redirecting output does not work on MS-Windows, Test_terminal_redir_file()
  *   is disabled.
  * - cursor blinks in terminal on widows with a timer. (xtal8, #2142)
+ * - When closing gvim with an active terminal buffer, the dialog suggests
+ *   saving the buffer.  Should say something else. (Manas Thakur, #2215)
+ *   Also: #2223
  * - implement term_setsize()
+ * - Termdebug does not work when Vim build with mzscheme.  gdb hangs.
+ * - Termdebug: issue #2154 might be avoided by adding -quiet to gdb?
+ *   patch by Christian, 2017 Oct 23.
  * - MS-Windows GUI: WinBar has  tearoff item
  * - MS-Windows GUI: still need to type a key after shell exits?  #1924
+ * - What to store in a session file?  Shell at the prompt would be OK to
+ *   restore, but others may not.  Open the window and let the user start the
+ *   command?
  * - add test for giving error for invalid 'termsize' value.
  * - support minimal size when 'termsize' is "rows*cols".
  * - support minimal size when 'termsize' is empty?
@@ -3390,6 +3399,7 @@ term_and_job_init(
 {
     WCHAR	    *cmd_wchar = NULL;
     WCHAR	    *cwd_wchar = NULL;
+    WCHAR	    *env_wchar = NULL;
     channel_T	    *channel = NULL;
     job_T	    *job = NULL;
     DWORD	    error;
@@ -3398,7 +3408,7 @@ term_and_job_init(
     HANDLE	    child_thread_handle;
     void	    *winpty_err;
     void	    *spawn_config = NULL;
-    garray_T	    ga;
+    garray_T	    ga_cmd, ga_env;
     char_u	    *cmd;
 
     if (dyn_winpty_init(TRUE) == FAIL)
@@ -3408,10 +3418,10 @@ term_and_job_init(
 	cmd = argvar->vval.v_string;
     else
     {
-	ga_init2(&ga, (int)sizeof(char*), 20);
+	ga_init2(&ga_cmd, (int)sizeof(char*), 20);
-	if (win32_build_cmd(argvar->vval.v_list, &ga) == FAIL)
+	if (win32_build_cmd(argvar->vval.v_list, &ga_cmd) == FAIL)
 	    goto failed;
-	cmd = ga.ga_data;
+	cmd = ga_cmd.ga_data;
     }
 
     cmd_wchar = enc_to_utf16(cmd, NULL);
@@ -3419,6 +3429,12 @@ term_and_job_init(
 	return FAIL;
     if (opt->jo_cwd != NULL)
 	cwd_wchar = enc_to_utf16(opt->jo_cwd, NULL);
+    if (opt->jo_env != NULL)
+    {
+	ga_init2(&ga_env, (int)sizeof(char*), 20);
+	win32_build_env(opt->jo_env, &ga_env);
+	env_wchar = ga_env.ga_data;
+    }
 
     job = job_alloc();
     if (job == NULL)
@@ -3446,7 +3462,7 @@ term_and_job_init(
 	    NULL,
 	    cmd_wchar,
 	    cwd_wchar,
-	    NULL,
+	    env_wchar,
 	    &winpty_err);
     if (spawn_config == NULL)
 	goto failed;
@@ -3519,7 +3535,9 @@ term_and_job_init(
 
 failed:
     if (argvar->v_type == VAR_LIST)
-	vim_free(ga.ga_data);
+	vim_free(ga_cmd.ga_data);
+    if (opt->jo_env != NULL)
+	vim_free(ga_env.ga_data);
     vim_free(cmd_wchar);
     vim_free(cwd_wchar);
     if (spawn_config != NULL)

src/testdir/test_terminal.vim

@@ -11,7 +11,11 @@ let s:python = PythonProg()
 " Open a terminal with a shell, assign the job to g:job and return the buffer
 " number.
 func Run_shell_in_terminal(options)
+  if has('win32')
+    let buf = term_start([&shell,'/k'], a:options)
+  else
     let buf = term_start(&shell, a:options)
+  endif
 
   let termlist = term_list()
   call assert_equal(1, len(termlist))
@@ -430,13 +434,14 @@ func Test_terminal_cwd()
 endfunc
 
 func Test_terminal_env()
-  if !has('unix')
-    return
-  endif
   let g:buf = Run_shell_in_terminal({'env': {'TESTENV': 'correct'}})
   " Wait for the shell to display a prompt
   call WaitFor('term_getline(g:buf, 1) != ""')
+  if has('win32')
+    call term_sendkeys(g:buf, "echo %TESTENV%\r")
+  else
     call term_sendkeys(g:buf, "echo $TESTENV\r")
+  endif
   call term_wait(g:buf)
   call Stop_shell_in_terminal(g:buf)
   call WaitFor('getline(2) == "correct"')

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1240,
 /**/
     1239,
 /**/