ref-filter: get rid of duplicate code

Make one function from 2 duplicate pieces and invoke it twice.

Signed-off-by: Olga Telezhnaia <olyatelezhnaya@gmail.com>
Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/ref-filter.c b/ref-filter.c
index 3f9161707e66be86eabaf7347da23a2450ffdd9f..25708704391a5a9f07bbfe97a03f339e3f8ee57f 100644 (file)
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -1354,15 +1354,31 @@ static const char *get_refname(struct used_atom *atom, struct ref_array_item *re
        return show_ref(&atom->u.refname, ref->refname);
 }
 
+static void get_object(struct ref_array_item *ref, const struct object_id *oid,
+                      int deref, struct object **obj)
+{
+       int eaten;
+       unsigned long size;
+       void *buf = get_obj(oid, obj, &size, &eaten);
+       if (!buf)
+               die(_("missing object %s for %s"),
+                   oid_to_hex(oid), ref->refname);
+       if (!*obj)
+               die(_("parse_object_buffer failed on %s for %s"),
+                   oid_to_hex(oid), ref->refname);
+
+       grab_values(ref->value, deref, *obj, buf, size);
+       if (!eaten)
+               free(buf);
+}
+
 /*
  * Parse the object referred by ref, and grab needed value.
  */
 static void populate_value(struct ref_array_item *ref)
 {
-       void *buf;
        struct object *obj;
-       int eaten, i;
-       unsigned long size;
+       int i;
        const struct object_id *tagged;
 
        ref->value = xcalloc(used_atom_cnt, sizeof(struct atom_value));
@@ -1483,17 +1499,7 @@ static void populate_value(struct ref_array_item *ref)
        return;
 
  need_obj:
-       buf = get_obj(&ref->objectname, &obj, &size, &eaten);
-       if (!buf)
-               die(_("missing object %s for %s"),
-                   oid_to_hex(&ref->objectname), ref->refname);
-       if (!obj)
-               die(_("parse_object_buffer failed on %s for %s"),
-                   oid_to_hex(&ref->objectname), ref->refname);
-
-       grab_values(ref->value, 0, obj, buf, size);
-       if (!eaten)
-               free(buf);
+       get_object(ref, &ref->objectname, 0, &obj);
 
        /*
         * If there is no atom that wants to know about tagged
@@ -1514,16 +1520,7 @@ static void populate_value(struct ref_array_item *ref)
         * is not consistent with what deref_tag() does
         * which peels the onion to the core.
         */
-       buf = get_obj(tagged, &obj, &size, &eaten);
-       if (!buf)
-               die(_("missing object %s for %s"),
-                   oid_to_hex(tagged), ref->refname);
-       if (!obj)
-               die(_("parse_object_buffer failed on %s for %s"),
-                   oid_to_hex(tagged), ref->refname);
-       grab_values(ref->value, 1, obj, buf, size);
-       if (!eaten)
-               free(buf);
+       get_object(ref, tagged, 1, &obj);
 }
 
 /*