[PATCH 17/20] cat-file: add is_cat flag in ref-filter

[Olga Telezhnaya]

Add is_cat flag, further it helps to get rid of cat_file_data field
in ref_format.

Signed-off-by: Olga Telezhnaia <olyatelezhn...@gmail.com>
Mentored-by: Christian Couder <christian.cou...@gmail.com>
Mentored by: Jeff King <p...@peff.net>
---
 builtin/cat-file.c | 1 +
 ref-filter.c       | 8 +++++---
 ref-filter.h       | 1 +
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index e11dbf88e386c..289912ab1f858 100644
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -393,6 +393,7 @@ static int batch_objects(struct batch_options *opt)
         */
        memset(&data, 0, sizeof(data));
        opt->format->cat_file_data = &data;
+       opt->format->is_cat = 1;
        verify_ref_format(opt->format);
        if (opt->cmdmode)
                data.split_on_whitespace = 1;
diff --git a/ref-filter.c b/ref-filter.c
index 112336edbe871..4259c9b9cd767 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -101,6 +101,7 @@ static struct used_atom {
 } *used_atoms;
 static int used_atom_cnt, need_tagged, need_symref;
 struct expand_data *cat_file_info;
+static int is_cat = 0;
 
 static void color_atom_parser(const struct ref_format *format, struct 
used_atom *atom, const char *color_value)
 {
@@ -493,7 +494,7 @@ static int parse_ref_filter_atom(const struct ref_format 
*format,
                need_tagged = 1;
        if (!strcmp(valid_atoms[i].name, "symref"))
                need_symref = 1;
-       if (cat_file_info && !strcmp(valid_atoms[i].name, "rest"))
+       if (is_cat && !strcmp(valid_atoms[i].name, "rest"))
                cat_file_info->split_on_whitespace = 1;
        return at;
 }
@@ -739,6 +740,7 @@ int verify_ref_format(struct ref_format *format)
        const char *cp, *sp;
 
        cat_file_info = format->cat_file_data;
+       is_cat = format->is_cat;
        format->need_color_reset_at_eol = 0;
        for (cp = format->format; *cp && (sp = find_next(cp)); ) {
                const char *color, *ep = strchr(sp, ')');
@@ -748,7 +750,7 @@ int verify_ref_format(struct ref_format *format)
                        return error(_("malformed format string %s"), sp);
                /* sp points at "%(" and ep points at the closing ")" */
 
-               if (format->cat_file_data)
+               if (is_cat)
                {
                        at = parse_ref_filter_atom(format, valid_cat_file_atoms,
                                                   
ARRAY_SIZE(valid_cat_file_atoms), sp + 2, ep);
@@ -1466,7 +1468,7 @@ int populate_value(struct ref_array_item *ref)
                        ref->symref = "";
        }
 
-       if (cat_file_info) {
+       if (is_cat) {
                if (!cat_file_info->skip_object_info &&
                    sha1_object_info_extended(ref->objectname.hash, 
&cat_file_info->info,
                                              OBJECT_INFO_LOOKUP_REPLACE) < 0) {
diff --git a/ref-filter.h b/ref-filter.h
index 9e4444cf3ef9a..5ba4724a472f6 100644
--- a/ref-filter.h
+++ b/ref-filter.h
@@ -126,6 +126,7 @@ struct ref_format {
         * hopefully would be reduced later.
         */
        struct expand_data *cat_file_data;
+       int is_cat;
 };
 
 #define REF_FORMAT_INIT { NULL, 0, -1 }

--
https://github.com/git/git/pull/450