From ce9439e722d4d74e0eb77582d7df6932ce21c11d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-Andr=C3=A9=20Santoni?= <jean.andre.santoni@gmail.com>
Date: Sat, 13 May 2017 13:12:15 +0200
Subject: [PATCH] Display Lakka version in System Information

---
 frontend/drivers/platform_linux.c | 23 +++++++++++++++++++++++
 frontend/drivers/platform_null.c  |  3 +++
 frontend/frontend_driver.h        |  3 +++
 intl/msg_hash_us.h                |  2 ++
 menu/menu_displaylist.c           | 18 ++++++++++++++++++
 msg_hash.h                        |  1 +
 6 files changed, 50 insertions(+)

diff --git a/frontend/drivers/platform_linux.c b/frontend/drivers/platform_linux.c
index de796161ad..8be904898f 100644
--- a/frontend/drivers/platform_linux.c
+++ b/frontend/drivers/platform_linux.c
@@ -1205,6 +1205,26 @@ static void frontend_linux_get_os(char *s,
 #endif
 }
 
+#ifdef HAVE_LAKKA
+static void frontend_linux_get_lakka_version(char *s,
+      size_t len)
+{
+   char version[128];
+   size_t vlen;
+   FILE *command_file = popen("cat /etc/release", "r");
+
+   fgets(version, sizeof(version), command_file);
+   vlen = strlen(version);
+
+   if (vlen > 0 && version[vlen-1] == '\n')
+      version[--vlen] = '\0';
+
+   strlcpy(s, version, len);
+
+   pclose(command_file);
+}
+#endif
+
 static void frontend_linux_get_env(int *argc,
       char *argv[], void *data, void *params_data)
 {
@@ -2131,6 +2151,9 @@ frontend_ctx_driver_t frontend_ctx_linux = {
    frontend_linux_destroy_signal_handler_state,
    NULL,                         /* attach_console */
    NULL,                         /* detach_console */
+#ifdef HAVE_LAKKA
+   frontend_linux_get_lakka_version,    /* get_lakka_version */
+#endif
 #ifdef ANDROID
    "android"
 #else
diff --git a/frontend/drivers/platform_null.c b/frontend/drivers/platform_null.c
index d43f782817..0f5e76d6ea 100644
--- a/frontend/drivers/platform_null.c
+++ b/frontend/drivers/platform_null.c
@@ -41,5 +41,8 @@ frontend_ctx_driver_t frontend_ctx_null = {
    NULL,                         /* destroy_sighandler_state */
    NULL,                         /* attach_console */
    NULL,                         /* detach_console */
+#ifdef HAVE_LAKKA
+   NULL,                         /* get_lakka_version */
+#endif
    "null",
 };
diff --git a/frontend/frontend_driver.h b/frontend/frontend_driver.h
index 14193468d4..a0e5b30ae4 100644
--- a/frontend/frontend_driver.h
+++ b/frontend/frontend_driver.h
@@ -85,6 +85,9 @@ typedef struct frontend_ctx_driver
    void (*destroy_signal_handler_state)(void);
    void (*attach_console)(void);
    void (*detach_console)(void);
+#ifdef HAVE_LAKKA
+   void (*get_lakka_version)(char *, size_t);
+#endif
 
    const char *ident;
 
diff --git a/intl/msg_hash_us.h b/intl/msg_hash_us.h
index 4d47a5fe6a..1714a103b8 100644
--- a/intl/msg_hash_us.h
+++ b/intl/msg_hash_us.h
@@ -1391,6 +1391,8 @@ MSG_HASH(MENU_ENUM_LABEL_VALUE_SYSTEM_INFO_JACK_SUPPORT,
       "JACK support")
 MSG_HASH(MENU_ENUM_LABEL_VALUE_SYSTEM_INFO_KMS_SUPPORT,
       "KMS/EGL support")
+MSG_HASH(MENU_ENUM_LABEL_VALUE_SYSTEM_INFO_LAKKA_VERSION,
+      "Lakka Version")
 MSG_HASH(MENU_ENUM_LABEL_VALUE_SYSTEM_INFO_LIBRETRODB_SUPPORT,
       "LibretroDB support")
 MSG_HASH(MENU_ENUM_LABEL_VALUE_SYSTEM_INFO_LIBUSB_SUPPORT,
diff --git a/menu/menu_displaylist.c b/menu/menu_displaylist.c
index dda0f6a537..ba6a036162 100644
--- a/menu/menu_displaylist.c
+++ b/menu/menu_displaylist.c
@@ -679,6 +679,24 @@ static int menu_displaylist_parse_system_info(menu_displaylist_info_t *info)
             MENU_ENUM_LABEL_SYSTEM_INFO_ENTRY,
             MENU_SETTINGS_CORE_INFO_NONE, 0, 0);
 
+#ifdef HAVE_LAKKA
+      if (frontend->get_lakka_version)
+      {
+         frontend->get_lakka_version(tmp2, sizeof(tmp2));
+
+         fill_pathname_noext(tmp,
+               msg_hash_to_str(MENU_ENUM_LABEL_VALUE_SYSTEM_INFO_LAKKA_VERSION),
+               ": ",
+               sizeof(tmp));
+         strlcat(tmp, frontend->get_lakka_version ?
+               tmp2 : msg_hash_to_str(MENU_ENUM_LABEL_VALUE_NOT_AVAILABLE),
+               sizeof(tmp));
+         menu_entries_append_enum(info->list, tmp, "",
+               MENU_ENUM_LABEL_SYSTEM_INFO_ENTRY,
+               MENU_SETTINGS_CORE_INFO_NONE, 0, 0);
+      }
+#endif
+
       if (frontend->get_name)
       {
          frontend->get_name(tmp2, sizeof(tmp2));
diff --git a/msg_hash.h b/msg_hash.h
index 905c6b7557..5426ebc237 100644
--- a/msg_hash.h
+++ b/msg_hash.h
@@ -1382,6 +1382,7 @@ enum msg_hash_enums
 
    /* System information */
 
+   MENU_ENUM_LABEL_VALUE_SYSTEM_INFO_LAKKA_VERSION,
    MENU_ENUM_LABEL_VALUE_SYSTEM_INFO_DYNAMIC_SUPPORT,
    MENU_ENUM_LABEL_VALUE_SYSTEM_INFO_BUILD_DATE,
    MENU_ENUM_LABEL_VALUE_SYSTEM_INFO_GIT_VERSION,