t/helper: merge test-drop-caches into test-tool

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Makefile b/Makefile
index 327d632..edd9c43 100644
--- a/Makefile
+++ b/Makefile
@@ -657,10 +657,10 @@
 TEST_BUILTINS_OBJS += test-ctype.o
 TEST_BUILTINS_OBJS += test-date.o
 TEST_BUILTINS_OBJS += test-delta.o
+TEST_BUILTINS_OBJS += test-drop-caches.o
 TEST_BUILTINS_OBJS += test-lazy-init-name-hash.o
 TEST_BUILTINS_OBJS += test-sha1.o
 
-TEST_PROGRAMS_NEED_X += test-drop-caches
 TEST_PROGRAMS_NEED_X += test-dump-cache-tree
 TEST_PROGRAMS_NEED_X += test-dump-fsmonitor
 TEST_PROGRAMS_NEED_X += test-dump-split-index
diff --git a/t/helper/test-drop-caches.c b/t/helper/test-drop-caches.c
index bd1a857..8387608 100644
--- a/t/helper/test-drop-caches.c
+++ b/t/helper/test-drop-caches.c
@@ -1,3 +1,4 @@
+#include "test-tool.h"
 #include "git-compat-util.h"
 
 #if defined(GIT_WINDOWS_NATIVE)
@@ -157,7 +158,7 @@ static int cmd_dropcaches(void)
 
 #endif
 
-int cmd_main(int argc, const char **argv)
+int cmd__drop_caches(int argc, const char **argv)
 {
 	cmd_sync();
 	return cmd_dropcaches();
diff --git a/t/helper/test-tool.c b/t/helper/test-tool.c
index 52d30b8..3ebd962 100644
--- a/t/helper/test-tool.c
+++ b/t/helper/test-tool.c
@@ -12,6 +12,7 @@ static struct test_cmd cmds[] = {
 	{ "ctype", cmd__ctype },
 	{ "date", cmd__date },
 	{ "delta", cmd__delta },
+	{ "drop-caches", cmd__drop_caches },
 	{ "lazy-init-name-hash", cmd__lazy_init_name_hash },
 	{ "sha1", cmd__sha1 },
 };
diff --git a/t/helper/test-tool.h b/t/helper/test-tool.h
index 761705e..f585b77 100644
--- a/t/helper/test-tool.h
+++ b/t/helper/test-tool.h
@@ -6,6 +6,7 @@ int cmd__config(int argc, const char **argv);
 int cmd__ctype(int argc, const char **argv);
 int cmd__date(int argc, const char **argv);
 int cmd__delta(int argc, const char **argv);
+int cmd__drop_caches(int argc, const char **argv);
 int cmd__lazy_init_name_hash(int argc, const char **argv);
 int cmd__sha1(int argc, const char **argv);
 
diff --git a/t/perf/p7519-fsmonitor.sh b/t/perf/p7519-fsmonitor.sh
index 65e145c..def7ecd 100755
--- a/t/perf/p7519-fsmonitor.sh
+++ b/t/perf/p7519-fsmonitor.sh
@@ -118,7 +118,7 @@
 '
 
 if test -n "$GIT_PERF_7519_DROP_CACHE"; then
-	test-drop-caches
+	test-tool drop-caches
 fi
 
 test_perf "status (fsmonitor=$INTEGRATION_SCRIPT)" '
@@ -126,7 +126,7 @@
 '
 
 if test -n "$GIT_PERF_7519_DROP_CACHE"; then
-	test-drop-caches
+	test-tool drop-caches
 fi
 
 test_perf "status -uno (fsmonitor=$INTEGRATION_SCRIPT)" '
@@ -134,7 +134,7 @@
 '
 
 if test -n "$GIT_PERF_7519_DROP_CACHE"; then
-	test-drop-caches
+	test-tool drop-caches
 fi
 
 test_perf "status -uall (fsmonitor=$INTEGRATION_SCRIPT)" '
@@ -148,7 +148,7 @@
 '
 
 if test -n "$GIT_PERF_7519_DROP_CACHE"; then
-	test-drop-caches
+	test-tool drop-caches
 fi
 
 test_perf "status (fsmonitor=$INTEGRATION_SCRIPT)" '
@@ -156,7 +156,7 @@
 '
 
 if test -n "$GIT_PERF_7519_DROP_CACHE"; then
-	test-drop-caches
+	test-tool drop-caches
 fi
 
 test_perf "status -uno (fsmonitor=$INTEGRATION_SCRIPT)" '
@@ -164,7 +164,7 @@
 '
 
 if test -n "$GIT_PERF_7519_DROP_CACHE"; then
-	test-drop-caches
+	test-tool drop-caches
 fi
 
 test_perf "status -uall (fsmonitor=$INTEGRATION_SCRIPT)" '