Patch 7.4.1554
Problem:    Completion for :colorscheme does not use 'packpath'.
Solution:   Make it work, add a test. (Hirohito Higashi)
Files:      src/ex_getln.c, src/testdir/test_packadd.vim


*** ../vim-7.4.1553/src/ex_getln.c      2016-03-05 21:21:09.087720248 +0100
--- src/ex_getln.c      2016-03-13 13:20:31.566758882 +0100
***************
*** 111,117 ****
  static int    expand_showtail(expand_T *xp);
  #ifdef FEAT_CMDL_COMPL
  static int    expand_shellcmd(char_u *filepat, int *num_file, char_u ***file, 
int flagsarg);
! static int    ExpandRTDir(char_u *pat, int *num_file, char_u ***file, char 
*dirname[]);
  static int    ExpandPackAddDir(char_u *pat, int *num_file, char_u ***file);
  # ifdef FEAT_CMDHIST
  static char_u *get_history_arg(expand_T *xp, int idx);
--- 111,117 ----
  static int    expand_showtail(expand_T *xp);
  #ifdef FEAT_CMDL_COMPL
  static int    expand_shellcmd(char_u *filepat, int *num_file, char_u ***file, 
int flagsarg);
! static int    ExpandRTDir(char_u *pat, int flags, int *num_file, char_u 
***file, char *dirname[]);
  static int    ExpandPackAddDir(char_u *pat, int *num_file, char_u ***file);
  # ifdef FEAT_CMDHIST
  static char_u *get_history_arg(expand_T *xp, int idx);
***************
*** 4628,4649 ****
      if (xp->xp_context == EXPAND_COLORS)
      {
        char *directories[] = {"colors", NULL};
!       return ExpandRTDir(pat, num_file, file, directories);
      }
      if (xp->xp_context == EXPAND_COMPILER)
      {
        char *directories[] = {"compiler", NULL};
!       return ExpandRTDir(pat, num_file, file, directories);
      }
      if (xp->xp_context == EXPAND_OWNSYNTAX)
      {
        char *directories[] = {"syntax", NULL};
!       return ExpandRTDir(pat, num_file, file, directories);
      }
      if (xp->xp_context == EXPAND_FILETYPE)
      {
        char *directories[] = {"syntax", "indent", "ftplugin", NULL};
!       return ExpandRTDir(pat, num_file, file, directories);
      }
  # if defined(FEAT_USR_CMDS) && defined(FEAT_EVAL)
      if (xp->xp_context == EXPAND_USER_LIST)
--- 4628,4650 ----
      if (xp->xp_context == EXPAND_COLORS)
      {
        char *directories[] = {"colors", NULL};
!       return ExpandRTDir(pat, DIP_START + DIP_OPT, num_file, file,
!                                                               directories);
      }
      if (xp->xp_context == EXPAND_COMPILER)
      {
        char *directories[] = {"compiler", NULL};
!       return ExpandRTDir(pat, 0, num_file, file, directories);
      }
      if (xp->xp_context == EXPAND_OWNSYNTAX)
      {
        char *directories[] = {"syntax", NULL};
!       return ExpandRTDir(pat, 0, num_file, file, directories);
      }
      if (xp->xp_context == EXPAND_FILETYPE)
      {
        char *directories[] = {"syntax", "indent", "ftplugin", NULL};
!       return ExpandRTDir(pat, 0, num_file, file, directories);
      }
  # if defined(FEAT_USR_CMDS) && defined(FEAT_EVAL)
      if (xp->xp_context == EXPAND_USER_LIST)
***************
*** 5119,5131 ****
  #endif
  
  /*
!  * Expand color scheme, compiler or filetype names:
!  * 'runtimepath'/{dirnames}/{pat}.vim
   * "dirnames" is an array with one or more directory names.
   */
      static int
  ExpandRTDir(
      char_u    *pat,
      int               *num_file,
      char_u    ***file,
      char      *dirnames[])
--- 5120,5138 ----
  #endif
  
  /*
!  * Expand color scheme, compiler or filetype names.
!  * Search from 'runtimepath':
!  *   'runtimepath'/{dirnames}/{pat}.vim
!  * When "flags" has DIP_START: search also from 'start' of 'packpath':
!  *   'packpath'/pack/ * /start/ * /{dirnames}/{pat}.vim
!  * When "flags" has DIP_OPT: search also from 'opt' of 'packpath':
!  *   'packpath'/pack/ * /opt/ * /{dirnames}/{pat}.vim
   * "dirnames" is an array with one or more directory names.
   */
      static int
  ExpandRTDir(
      char_u    *pat,
+     int               flags,
      int               *num_file,
      char_u    ***file,
      char      *dirnames[])
***************
*** 5155,5160 ****
--- 5162,5197 ----
        vim_free(s);
      }
  
+     if (flags & DIP_START) {
+       for (i = 0; dirnames[i] != NULL; ++i)
+       {
+           s = alloc((unsigned)(STRLEN(dirnames[i]) + pat_len + 22));
+           if (s == NULL)
+           {
+               ga_clear_strings(&ga);
+               return FAIL;
+           }
+           sprintf((char *)s, "pack/*/start/*/%s/%s*.vim", dirnames[i], pat);
+           globpath(p_pp, s, &ga, 0);
+           vim_free(s);
+       }
+     }
+ 
+     if (flags & DIP_OPT) {
+       for (i = 0; dirnames[i] != NULL; ++i)
+       {
+           s = alloc((unsigned)(STRLEN(dirnames[i]) + pat_len + 20));
+           if (s == NULL)
+           {
+               ga_clear_strings(&ga);
+               return FAIL;
+           }
+           sprintf((char *)s, "pack/*/opt/*/%s/%s*.vim", dirnames[i], pat);
+           globpath(p_pp, s, &ga, 0);
+           vim_free(s);
+       }
+     }
+ 
      for (i = 0; i < ga.ga_len; ++i)
      {
        match = ((char_u **)ga.ga_data)[i];
*** ../vim-7.4.1553/src/testdir/test_packadd.vim        2016-03-12 
22:47:10.552935212 +0100
--- src/testdir/test_packadd.vim        2016-03-13 13:20:31.570758841 +0100
***************
*** 135,140 ****
--- 135,163 ----
    call assert_equal(1, g:found_three)
  endfunc
  
+ func Test_colorscheme_completion()
+   let colordirrun = &packpath . '/runtime/colors'
+   let colordirstart = &packpath . '/pack/mine/start/foo/colors'
+   let colordiropt = &packpath . '/pack/mine/opt/bar/colors'
+   call mkdir(colordirrun, 'p')
+   call mkdir(colordirstart, 'p')
+   call mkdir(colordiropt, 'p')
+   call writefile(['let g:found_one = 1'], colordirrun . '/one.vim')
+   call writefile(['let g:found_two = 1'], colordirstart . '/two.vim')
+   call writefile(['let g:found_three = 1'], colordiropt . '/three.vim')
+   exe 'set rtp=' . &packpath . '/runtime'
+ 
+   let li=[]
+   call feedkeys(":colorscheme " . repeat("\<Tab>", 1) . "')\<C-B>call add(li, 
'\<CR>", 't')
+   call feedkeys(":colorscheme " . repeat("\<Tab>", 2) . "')\<C-B>call add(li, 
'\<CR>", 't')
+   call feedkeys(":colorscheme " . repeat("\<Tab>", 3) . "')\<C-B>call add(li, 
'\<CR>", 't')
+   call feedkeys(":colorscheme " . repeat("\<Tab>", 4) . "')\<C-B>call add(li, 
'\<CR>", 'tx')
+   call assert_equal("colorscheme one", li[0])
+   call assert_equal("colorscheme three", li[1])
+   call assert_equal("colorscheme two", li[2])
+   call assert_equal("colorscheme ", li[3])
+ endfunc
+ 
  func Test_runtime()
    let rundir = &packpath . '/runtime/extra'
    let startdir = &packpath . '/pack/mine/start/foo/extra'
*** ../vim-7.4.1553/src/version.c       2016-03-12 22:47:10.552935212 +0100
--- src/version.c       2016-03-13 13:22:49.149326654 +0100
***************
*** 745,746 ****
--- 745,748 ----
  {   /* Add new patch number below this line */
+ /**/
+     1554,
  /**/

-- 
Due knot trussed yore spell chequer two fined awl miss steaks.

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