[LTP] [PATCH v2 2/3] tst_test: Print environment variables on -h

[Petr Vorel]

Signed-off-by: Petr Vorel <pvorel@suse.cz>
---
new in v2

 lib/tst_test.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/tst_test.c b/lib/tst_test.c
index 265df6543b..f92ff858e9 100644
--- a/lib/tst_test.c
+++ b/lib/tst_test.c
@@ -475,6 +475,19 @@ static void print_help(void)
 {
 	unsigned int i;
 
+	/* see doc/user-guide.txt, which lists also shell API variables */
+	fprintf(stderr, "Environment Variables\n");
+	fprintf(stderr, "---------------------\n");
+	fprintf(stderr, "KCONFIG_PATH         Specify kernel config file\n");
+	fprintf(stderr, "LTPROOT              Prefix for installed LTP, the default is /opt/ltp\n");
+	fprintf(stderr, "LTP_COLORIZE_OUTPUT  Force colorized output behaviour (y/1 always, n/0: never)\n");
+	fprintf(stderr, "LTP_DEV              Path to the block device to be used (for .needs_device)\n");
+	fprintf(stderr, "LTP_DEV_FS_TYPE      Filesystem used for testing (default: %s)\n", DEFAULT_FS_TYPE);
+	fprintf(stderr, "LTP_TIMEOUT_MUL      Multiply timeout (must be number >= 1)\n");
+	fprintf(stderr, "LTP_VIRT_OVERRIDE    Overrides virtual machine detection (values: \"\"|kvm|microsoft|xen|zvm\n");
+	fprintf(stderr, "TMPDIR               Base directory for template directory (for .needs_tmpdir, default: %s)\n", TEMPDIR);
+	fprintf(stderr, "\n");
+
 	fprintf(stderr, "Options\n");
 	fprintf(stderr, "-------\n");
 
-- 
2.34.1