[PATCH v3 20/42] completion: use __gitcomp_builtin in _git_grep

[Nguyễn Thái Ngọc Duy]

The new completable options are:

--after-context=
--before-context=
--color
--context
--exclude-standard
--quiet
--recurse-submodules
--textconv

Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
---
 builtin/grep.c                         | 13 ++++++++-----
 contrib/completion/git-completion.bash | 16 +---------------
 2 files changed, 9 insertions(+), 20 deletions(-)

diff --git a/builtin/grep.c b/builtin/grep.c
index 3ca4ac80d8..496f33336e 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -832,8 +832,9 @@ int cmd_grep(int argc, const char **argv, const char 
*prefix)
                OPT_BOOL('L', "files-without-match",
                        &opt.unmatch_name_only,
                        N_("show only the names of files without match")),
-               OPT_BOOL('z', "null", &opt.null_following_name,
-                       N_("print NUL after filenames")),
+               OPT_BOOL_F('z', "null", &opt.null_following_name,
+                          N_("print NUL after filenames"),
+                          PARSE_OPT_NOCOMPLETE),
                OPT_BOOL('c', "count", &opt.count,
                        N_("show the number of matches instead of matching 
lines")),
                OPT__COLOR(&opt.color, N_("highlight matches")),
@@ -884,9 +885,11 @@ int cmd_grep(int argc, const char **argv, const char 
*prefix)
                OPT_GROUP(""),
                { OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager,
                        N_("pager"), N_("show matching files in the pager"),
-                       PARSE_OPT_OPTARG, NULL, (intptr_t)default_pager },
-               OPT_BOOL(0, "ext-grep", &external_grep_allowed__ignored,
-                        N_("allow calling of grep(1) (ignored by this 
build)")),
+                       PARSE_OPT_OPTARG | PARSE_OPT_NOCOMPLETE,
+                       NULL, (intptr_t)default_pager },
+               OPT_BOOL_F(0, "ext-grep", &external_grep_allowed__ignored,
+                          N_("allow calling of grep(1) (ignored by this 
build)"),
+                          PARSE_OPT_NOCOMPLETE),
                OPT_END()
        };
 
diff --git a/contrib/completion/git-completion.bash 
b/contrib/completion/git-completion.bash
index 79e9f69d52..60d27253ee 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1565,21 +1565,7 @@ _git_grep ()
 
        case "$cur" in
        --*)
-               __gitcomp "
-                       --cached
-                       --text --ignore-case --word-regexp --invert-match
-                       --full-name --line-number
-                       --extended-regexp --basic-regexp --fixed-strings
-                       --perl-regexp
-                       --threads
-                       --files-with-matches --name-only
-                       --files-without-match
-                       --max-depth
-                       --count
-                       --and --or --not --all-match
-                       --break --heading --show-function --function-context
-                       --untracked --no-index
-                       "
+               __gitcomp_builtin grep
                return
                ;;
        esac
-- 
2.16.1.207.gedba492059