udevtest: export UDEV_LOG if we changed it

[elogind.git] / udevtest.c

diff --git a/udevtest.c b/udevtest.c
index d17157cbd116d9c045e4a5f87b80f077a14dfb93..73bf7dd1f8dde459575c11cc55a347cf7141ff49 100644 (file)
--- a/udevtest.c
+++ b/udevtest.c
@@ -59,8 +59,13 @@ int main(int argc, char *argv[], char *envp[])
 
        info("version %s", UDEV_VERSION);
        udev_config_init();
-       if (udev_log_priority < LOG_INFO)
+       if (udev_log_priority < LOG_INFO) {
+               char priority[32];
+
                udev_log_priority = LOG_INFO;
+               sprintf(priority, "%i", udev_log_priority);
+               setenv("UDEV_LOG", priority, 1);
+       }
 
        for (i = 1 ; i < argc; i++) {
                char *arg = argv[i];
@@ -111,6 +116,11 @@ int main(int argc, char *argv[], char *envp[])
        setenv("SUBSYSTEM", udev->dev->subsystem, 1);
        setenv("ACTION", "add", 1);
 
+       printf("This program is for debugging only, it does not create any node,\n"
+              "or run any program specified by a RUN key. It may show incorrect results,\n"
+              "if rules match against subsystem specfic kernel event variables.\n"
+              "\n");
+
        info("looking at device '%s' from subsystem '%s'", udev->dev->devpath, udev->dev->subsystem);
        retval = udev_device_event(&rules, udev);
        if (retval == 0 && !udev->ignore_device && udev_run) {