From e5e089c02cdd47e2b57da2b8a7a4f4fcfe308030 Mon Sep 17 00:00:00 2001
From: topjohnwu <topjohnwu@gmail.com>
Date: Sat, 19 May 2018 11:05:33 +0800
Subject: [PATCH] [PATCH] ash history

---
 include/libbb.h | 4 ++--
 init/init.c     | 2 +-
 shell/ash.c     | 8 ++++++--
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/include/libbb.h b/include/libbb.h
index 709505854..e5ab9be3b 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -2043,12 +2043,12 @@ extern struct globals *const ptr_to_globals;
  * use bb_default_login_shell and following defines.
  * If you change LIBBB_DEFAULT_LOGIN_SHELL,
  * don't forget to change increment constant. */
-#define LIBBB_DEFAULT_LOGIN_SHELL  "-/bin/sh"
+#define LIBBB_DEFAULT_LOGIN_SHELL  "-/sbin/sh"
 extern const char bb_default_login_shell[] ALIGN1;
 /* "/bin/sh" */
 #define DEFAULT_SHELL              (bb_default_login_shell+1)
 /* "sh" */
-#define DEFAULT_SHELL_SHORT_NAME   (bb_default_login_shell+6)
+#define DEFAULT_SHELL_SHORT_NAME   (bb_default_login_shell+7)
 
 /* The following devices are the same on all systems.  */
 #define CURRENT_TTY "/dev/tty"
diff --git a/init/init.c b/init/init.c
index 6f3374eac..77c6d03a6 100644
--- a/init/init.c
+++ b/init/init.c
@@ -1101,7 +1101,7 @@ int init_main(int argc UNUSED_PARAM, char **argv)
 	/* Make sure environs is set to something sane */
 	putenv((char *) "HOME=/");
 	putenv((char *) bb_PATH_root_path);
-	putenv((char *) "SHELL=/bin/sh");
+	putenv((char *) "SHELL=/sbin/sh");
 	putenv((char *) "USER=root"); /* needed? why? */
 
 	if (argv[1])
diff --git a/shell/ash.c b/shell/ash.c
index 881af034d..19ffd0ae8 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -13749,7 +13749,7 @@ procargs(char **argv)
 	int login_sh;
 
 	xargv = argv;
-	login_sh = xargv[0] && xargv[0][0] == '-';
+	login_sh = 1; /* = xargv[0] && xargv[0][0] == '-'; - make always true for Android */
 	arg0 = xargv[0];
 	/* if (xargv[0]) - mmm, this is always true! */
 		xargv++;
@@ -13921,7 +13921,7 @@ int ash_main(int argc UNUSED_PARAM, char **argv)
 		const char *hp;
 
 		state = 1;
-		read_profile("/etc/profile");
+		read_profile("/system/etc/profile");
  state1:
 		state = 2;
 		hp = lookupvar("HOME");
@@ -13959,6 +13959,9 @@ int ash_main(int argc UNUSED_PARAM, char **argv)
 		if (iflag) {
 			const char *hp = lookupvar("HISTFILE");
 			if (!hp) {
+#ifdef __ANDROID__
+				setvar("HISTFILE", "/mnt/sdcard/ash_history", 0);
+#else
 				hp = lookupvar("HOME");
 				if (hp) {
 					INT_OFF;
@@ -13968,6 +13971,7 @@ int ash_main(int argc UNUSED_PARAM, char **argv)
 					INT_ON;
 					hp = lookupvar("HISTFILE");
 				}
+#endif
 			}
 			if (hp)
 				line_input_state->hist_file = hp;