sha1_name.c: get rid of get_sha1_with_mode()

There are only two callers, and they will benefit from being able to
pass disambiguation hints to underlying get_sha1_with_context() API
once it happens.
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

cache.h

@@ -812,7 +812,6 @@ struct object_context {
 };
 
 extern int get_sha1(const char *str, unsigned char *sha1);
-extern int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode);
 extern void maybe_die_on_misspelt_object_name(const char *name, const char *prefix);
 extern int get_sha1_with_context(const char *str, unsigned char *sha1, struct object_context *orc);
 

revision.c

@@ -1097,7 +1097,7 @@ int handle_revision_arg(const char *arg_, struct rev_info *revs,
 			int flags,
 			int cant_be_filename)
 {
-	unsigned mode;
+	struct object_context oc;
 	char *dotdot;
 	struct object *object;
 	unsigned char sha1[20];
@@ -1180,13 +1180,13 @@ int handle_revision_arg(const char *arg_, struct rev_info *revs,
 		local_flags = UNINTERESTING;
 		arg++;
 	}
-	if (get_sha1_with_mode(arg, sha1, &mode))
+	if (get_sha1_with_context(arg, sha1, &oc))
 		return revs->ignore_missing ? 0 : -1;
 	if (!cant_be_filename)
 		verify_non_filename(revs->prefix, arg);
 	object = get_reference(revs, arg, sha1, flags ^ local_flags);
 	add_rev_cmdline(revs, object, arg_, REV_CMD_REV, flags ^ local_flags);
-	add_pending_object_with_mode(revs, object, arg, mode);
+	add_pending_object_with_mode(revs, object, arg, oc.mode);
 	return 0;
 }
 
@@ -1794,11 +1794,11 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
 	if (revs->def && !revs->pending.nr && !got_rev_arg) {
 		unsigned char sha1[20];
 		struct object *object;
-		unsigned mode;
-		if (get_sha1_with_mode(revs->def, sha1, &mode))
+		struct object_context oc;
+		if (get_sha1_with_context(revs->def, sha1, &oc))
 			die("bad default revision '%s'", revs->def);
 		object = get_reference(revs, revs->def, sha1, 0);
-		add_pending_object_with_mode(revs, object, revs->def, mode);
+		add_pending_object_with_mode(revs, object, revs->def, oc.mode);
 	}
 
 	/* Did the user ask for any diff output? Run the diff! */

sha1_name.c

@@ -1139,14 +1139,6 @@ void maybe_die_on_misspelt_object_name(const char *name, const char *prefix)
 	get_sha1_with_context_1(name, sha1, &oc, 1, prefix);
 }
 
-int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode)
-{
-	struct object_context oc;
-	int ret = get_sha1_with_context_1(str, sha1, &oc, 0, NULL);
-	*mode = oc.mode;
-	return ret;
-}
-
 int get_sha1_with_context(const char *str, unsigned char *sha1, struct object_context *orc)
 {
 	return get_sha1_with_context_1(str, sha1, orc, 0, NULL);