Move declaration for alias.c to alias.h

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

alias.c

@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "alias.h"
 #include "config.h"
 
 struct config_alias_data {

alias.h

@@ -0,0 +1,9 @@
+#ifndef __ALIAS_H__
+#define __ALIAS_H__
+
+char *alias_lookup(const char *alias);
+int split_cmdline(char *cmdline, const char ***argv);
+/* Takes a negative value returned by split_cmdline */
+const char *split_cmdline_strerror(int cmdline_errno);
+
+#endif

builtin/help.c

@@ -9,6 +9,7 @@
 #include "run-command.h"
 #include "column.h"
 #include "help.h"
+#include "alias.h"
 
 #ifndef DEFAULT_HELP_FORMAT
 #define DEFAULT_HELP_FORMAT "man"

builtin/merge.c

@@ -34,6 +34,7 @@
 #include "string-list.h"
 #include "packfile.h"
 #include "tag.h"
+#include "alias.h"
 
 #define DEFAULT_TWOHEAD (1<<0)
 #define DEFAULT_OCTOPUS (1<<1)

cache.h

@@ -1835,11 +1835,6 @@ extern int ws_blank_line(const char *line, int len, unsigned ws_rule);
 void overlay_tree_on_index(struct index_state *istate,
 			   const char *tree_name, const char *prefix);
 
-char *alias_lookup(const char *alias);
-int split_cmdline(char *cmdline, const char ***argv);
-/* Takes a negative value returned by split_cmdline */
-const char *split_cmdline_strerror(int cmdline_errno);
-
 /* setup.c */
 struct startup_info {
 	int have_repository;

connect.c

@@ -13,6 +13,7 @@
 #include "transport.h"
 #include "strbuf.h"
 #include "protocol.h"
+#include "alias.h"
 
 static char *server_capabilities;
 static const char *parse_feature_value(const char *, const char *, int *);

git.c

@@ -3,6 +3,7 @@
 #include "exec_cmd.h"
 #include "help.h"
 #include "run-command.h"
+#include "alias.h"
 
 #define RUN_SETUP		(1<<0)
 #define RUN_SETUP_GENTLY	(1<<1)

pager.c

@@ -2,6 +2,7 @@
 #include "config.h"
 #include "run-command.h"
 #include "sigchain.h"
+#include "alias.h"
 
 #ifndef DEFAULT_PAGER
 #define DEFAULT_PAGER "less"

sequencer.c

@@ -23,6 +23,7 @@
 #include "hashmap.h"
 #include "notes-utils.h"
 #include "sigchain.h"
+#include "alias.h"
 
 #define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION"
 

shell.c

@@ -3,6 +3,7 @@
 #include "exec_cmd.h"
 #include "strbuf.h"
 #include "run-command.h"
+#include "alias.h"
 
 #define COMMAND_DIR "git-shell-commands"
 #define HELP_COMMAND COMMAND_DIR "/help"