[PATCH BlueZ] tools: Only add unique entries to readline history

[Luiz Augusto von Dentz <luiz.dentz@gmail.com>]

From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

Don't add duplicate commands to historym this is similar to what
HISTCONTROL=ignoredups does.
---
 client/main.c            | 3 ++-
 tools/bluetooth-player.c | 4 +++-
 tools/btmgmt.c           | 3 ++-
 tools/obex-client-tool.c | 3 ++-
 tools/obexctl.c          | 3 ++-
 5 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/client/main.c b/client/main.c
index 2cb449fd5..282e84003 100644
--- a/client/main.c
+++ b/client/main.c
@@ -2644,7 +2644,8 @@ static void rl_handler(char *input)
 	if (!rl_release_prompt(input))
 		goto done;
 
-	add_history(input);
+	if (history_search(input, -1))
+		add_history(input);
 
 	cmd = strtok_r(input, " ", &arg);
 	if (!cmd)
diff --git a/tools/bluetooth-player.c b/tools/bluetooth-player.c
index 9e199970d..c95b7497f 100644
--- a/tools/bluetooth-player.c
+++ b/tools/bluetooth-player.c
@@ -1086,7 +1086,9 @@ static void rl_handler(char *input)
 		goto done;
 
 	g_strstrip(input);
-	add_history(input);
+
+	if (history_search(input, -1))
+		add_history(input);
 
 	argv = g_strsplit(input, " ", -1);
 	if (argv == NULL)
diff --git a/tools/btmgmt.c b/tools/btmgmt.c
index e7ea69937..e454d864d 100644
--- a/tools/btmgmt.c
+++ b/tools/btmgmt.c
@@ -4664,7 +4664,8 @@ static void rl_handler(char *input)
 	if (prompt_input(input))
 		goto done;
 
-	add_history(input);
+	if (history_search(input, -1))
+		add_history(input);
 
 	if (wordexp(input, &w, WRDE_NOCMD))
 		goto done;
diff --git a/tools/obex-client-tool.c b/tools/obex-client-tool.c
index d0ba8a651..d74ac77a1 100644
--- a/tools/obex-client-tool.c
+++ b/tools/obex-client-tool.c
@@ -242,7 +242,8 @@ static void parse_line(char *line_read)
 		return;
 	}
 
-	add_history(line_read);
+	if (history_search(input, -1))
+		add_history(input);
 
 	g_shell_parse_argv(line_read, &argcp, &argvp, NULL);
 
diff --git a/tools/obexctl.c b/tools/obexctl.c
index 46943d682..ece50f682 100644
--- a/tools/obexctl.c
+++ b/tools/obexctl.c
@@ -2081,7 +2081,8 @@ static void rl_handler(char *input)
 	if (!strlen(input))
 		goto done;
 
-	add_history(input);
+	if (history_search(input, -1))
+		add_history(input);
 
 	if (wordexp(input, &w, WRDE_NOCMD))
 		goto done;
-- 
2.13.5