vim-patch:8.0.0179

Problem:    'formatprg' is a global option but the value may depend on the
            type of buffer. (Sung Pae)
Solution:   Make 'formatprg' global-local. (closes vim/vim#1380)

https://github.com/vim/vim/commit/9be7c04e6cd5b0facedcb56b09a5bcfc339efe03

6 files changed, 46 insertions, 20 deletions

diff --git a/src/nvim/buffer_defs.h b/src/nvim/buffer_defs.h
index 3e9767adde..fdd7d945c9 100644
--- a/src/nvim/buffer_defs.h
+++ b/src/nvim/buffer_defs.h
@@ -640,6 +640,7 @@ struct file_buffer {
   char_u *b_p_inde;             ///< 'indentexpr'
   uint32_t b_p_inde_flags;      ///< flags for 'indentexpr'
   char_u *b_p_indk;             ///< 'indentkeys'
+  char_u *b_p_fp;               ///< 'formatprg'
   char_u *b_p_fex;              ///< 'formatexpr'
   uint32_t b_p_fex_flags;       ///< flags for 'formatexpr'
   char_u *b_p_kp;               ///< 'keywordprg'
diff --git a/src/nvim/normal.c b/src/nvim/normal.c
index 5a89fed207..82fa9f5f97 100644
--- a/src/nvim/normal.c
+++ b/src/nvim/normal.c
@@ -1901,12 +1901,13 @@ void do_pending_operator(cmdarg_T *cap, int old_col, bool gui_yank)
       break;
 
     case OP_FORMAT:
-      if (*curbuf->b_p_fex != NUL)
-        op_formatexpr(oap);             /* use expression */
-      else if (*p_fp != NUL)
-        op_colon(oap);                  /* use external command */
-      else
-        op_format(oap, false);          /* use internal function */
+      if (*curbuf->b_p_fex != NUL) {
+        op_formatexpr(oap);             // use expression
+      } else if (*p_fp != NUL || *curbuf->b_p_fp != NUL) {
+        op_colon(oap);                  // use external command
+      } else {
+        op_format(oap, false);          // use internal function
+      }
       break;
 
     case OP_FORMAT2:
@@ -2064,10 +2065,13 @@ static void op_colon(oparg_T *oap)
     stuffReadbuff(get_equalprg());
     stuffReadbuff((char_u *)"\n");
   } else if (oap->op_type == OP_FORMAT) {
-    if (*p_fp == NUL)
-      stuffReadbuff((char_u *)"fmt");
-    else
+    if (*curbuf->b_p_fp != NUL) {
+      stuffReadbuff(curbuf->b_p_fp);
+    } else if (*p_fp != NUL) {
       stuffReadbuff(p_fp);
+    } else {
+      stuffReadbuff((char_u *)"fmt");
+    }
     stuffReadbuff((char_u *)"\n']");
   }
 
diff --git a/src/nvim/option.c b/src/nvim/option.c
index 2fae4aa848..2a17ca69d1 100644
--- a/src/nvim/option.c
+++ b/src/nvim/option.c
@@ -2150,6 +2150,7 @@ void check_buf_options(buf_T *buf)
   check_string_option(&buf->b_p_inex);
   check_string_option(&buf->b_p_inde);
   check_string_option(&buf->b_p_indk);
+  check_string_option(&buf->b_p_fp);
   check_string_option(&buf->b_p_fex);
   check_string_option(&buf->b_p_kp);
   check_string_option(&buf->b_p_mps);
@@ -5255,6 +5256,9 @@ void unset_global_local_option(char *name, void *from)
     case PV_TSR:
       clear_string_option(&buf->b_p_tsr);
       break;
+    case PV_FP:
+      clear_string_option(&buf->b_p_fp);
+      break;
     case PV_EFM:
       clear_string_option(&buf->b_p_efm);
       break;
@@ -5288,6 +5292,7 @@ static char_u *get_varp_scope(vimoption_T *p, int opt_flags)
   }
   if ((opt_flags & OPT_LOCAL) && ((int)p->indir & PV_BOTH)) {
     switch ((int)p->indir) {
+    case PV_FP:   return (char_u *)&(curbuf->b_p_fp);
     case PV_EFM:  return (char_u *)&(curbuf->b_p_efm);
     case PV_GP:   return (char_u *)&(curbuf->b_p_gp);
     case PV_MP:   return (char_u *)&(curbuf->b_p_mp);
@@ -5346,6 +5351,8 @@ static char_u *get_varp(vimoption_T *p)
            ? (char_u *)&(curbuf->b_p_dict) : p->var;
   case PV_TSR:    return *curbuf->b_p_tsr != NUL
            ? (char_u *)&(curbuf->b_p_tsr) : p->var;
+  case PV_FP: return *curbuf->b_p_fp != NUL
+           ? (char_u *)&(curbuf->b_p_fp) : p->var;
   case PV_EFM:    return *curbuf->b_p_efm != NUL
            ? (char_u *)&(curbuf->b_p_efm) : p->var;
   case PV_GP:     return *curbuf->b_p_gp != NUL
@@ -5694,6 +5701,7 @@ void buf_copy_options(buf_T *buf, int flags)
       buf->b_s.b_p_spl = vim_strsave(p_spl);
       buf->b_p_inde = vim_strsave(p_inde);
       buf->b_p_indk = vim_strsave(p_indk);
+      buf->b_p_fp = empty_option;
       buf->b_p_fex = vim_strsave(p_fex);
       buf->b_p_sua = vim_strsave(p_sua);
       buf->b_p_keymap = vim_strsave(p_keymap);
diff --git a/src/nvim/option_defs.h b/src/nvim/option_defs.h
index 1fd6dc9c91..b171b23edb 100644
--- a/src/nvim/option_defs.h
+++ b/src/nvim/option_defs.h
@@ -713,6 +713,7 @@ enum {
   , BV_EP
   , BV_ET
   , BV_FENC
+  , BV_FP
   , BV_BEXPR
   , BV_FEX
   , BV_FF
diff --git a/src/nvim/options.lua b/src/nvim/options.lua
index 1476fdda2c..853c2b52d7 100644
--- a/src/nvim/options.lua
+++ b/src/nvim/options.lua
@@ -948,7 +948,7 @@ return {
     },
     {
       full_name='formatprg', abbreviation='fp',
-      type='string', scope={'global'},
+      type='string', scope={'global', 'buffer'},
       secure=true,
       vi_def=true,
       expand=true,
diff --git a/src/nvim/testdir/test_normal.vim b/src/nvim/testdir/test_normal.vim
index 29bd783ebc..98177851ab 100644
--- a/src/nvim/testdir/test_normal.vim
+++ b/src/nvim/testdir/test_normal.vim
@@ -224,21 +224,33 @@ func! Test_normal06_formatprg()
   " only test on non windows platform
   if has('win32')
     return
-  else
-    " uses sed to number non-empty lines
-    call writefile(['#!/bin/sh', 'sed ''/./=''|sed ''/./{', 'N', 's/\n/    /', '}'''], 'Xsed_format.sh')
-    call system('chmod +x ./Xsed_format.sh')
   endif
-  call Setup_NewWindow()
-  %d
-  call setline(1, ['a', '', 'c', '', ' ', 'd', 'e'])
+
+  " uses sed to number non-empty lines
+  call writefile(['#!/bin/sh', 'sed ''/./=''|sed ''/./{', 'N', 's/\n/    /', '}'''], 'Xsed_format.sh')
+  call system('chmod +x ./Xsed_format.sh')
+  let text = ['a', '', 'c', '', ' ', 'd', 'e']
+  let expected = ['1    a', '', '3    c', '', '5     ', '6    d', '7    e']
+
+  10new
+  call setline(1, text)
   set formatprg=./Xsed_format.sh
   norm! gggqG
-  call assert_equal(['1    a', '', '3    c', '', '5     ', '6    d', '7    e'], getline(1, '$'))
+  call assert_equal(expected, getline(1, '$'))
+  bw!
+
+  10new
+  call setline(1, text)
+  set formatprg=donothing
+  setlocal formatprg=./Xsed_format.sh
+  norm! gggqG
+  call assert_equal(expected, getline(1, '$'))
+  bw!
+
   " clean up
   set formatprg=
+  setlocal formatprg=
   call delete('Xsed_format.sh')
-  bw!
 endfunc
 
 func! Test_normal07_internalfmt()
@@ -251,7 +263,7 @@ func! Test_normal07_internalfmt()
   norm! gggqG
   call assert_equal(['1    2    3', '4    5    6', '7    8    9', '10    11    '], getline(1, '$'))
   " clean up
-  set formatprg= tw=0
+  set tw=0
   bw!
 endfunc