[PATCH i-g-t 6/9] lib: s/IGT_DEBUG_INTERACTIVE/--interactive-debug=var

[Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>]

Use cmdline variable for interactive debug instead of env var.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
---
 lib/igt_aux.c  | 20 ++++++++++----------
 lib/igt_aux.h  |  2 +-
 lib/igt_core.c |  6 ++++++
 lib/igt_core.h |  2 ++
 4 files changed, 19 insertions(+), 11 deletions(-)

diff --git a/lib/igt_aux.c b/lib/igt_aux.c
index 49d1ec4..ff668d4 100644
--- a/lib/igt_aux.c
+++ b/lib/igt_aux.c
@@ -372,32 +372,32 @@ void igt_drop_root(void)
 
 /**
  * igt_debug_wait_for_keypress:
- * @key: env var lookup to to enable this wait
+ * @var: var lookup to to enable this wait
  *
  * Waits for a key press when run interactively and when the corresponding debug
- * key is set in the IGT_DEBUG_INTERACTIVE environment variable. Multiple keys
+ * var is set in the --interactive-debug=<var> variable. Multiple keys
  * can be specified as a comma-separated list or alternatively "all" if a wait
- * should happen for all keys.  When not connected to a terminal the environment
- * setting is ignored and execution immediately continues.
+ * should happen for all cases.
+ *
+ * When not connected to a terminal interactive_debug is ignored
+ * and execution immediately continues.
  *
  * This is useful for display tests where under certain situation manual
  * inspection of the display is useful. Or when running a testcase in the
  * background.
  */
-void igt_debug_wait_for_keypress(const char *key)
+void igt_debug_wait_for_keypress(const char *var)
 {
 	struct termios oldt, newt;
-	const char *env;
 
 	if (!isatty(STDIN_FILENO))
 		return;
 
-	env = getenv("IGT_DEBUG_INTERACTIVE");
-
-	if (!env)
+	if (!igt_interactive_debug)
 		return;
 
-	if (!strstr(env, key) && !strstr(env, "all"))
+	if (!strstr(igt_interactive_debug, var) &&
+	    !strstr(igt_interactive_debug, "all"))
 		return;
 
 	igt_info("Press any key to continue ...\n");
diff --git a/lib/igt_aux.h b/lib/igt_aux.h
index 63e1b06..59022cd 100644
--- a/lib/igt_aux.h
+++ b/lib/igt_aux.h
@@ -60,7 +60,7 @@ void igt_system_suspend_autoresume(void);
 /* dropping priviledges */
 void igt_drop_root(void);
 
-void igt_debug_wait_for_keypress(const char *key);
+void igt_debug_wait_for_keypress(const char *var);
 
 enum igt_runtime_pm_status {
 	IGT_RUNTIME_PM_STATUS_ACTIVE,
diff --git a/lib/igt_core.c b/lib/igt_core.c
index 13a52a5..461b1d3 100644
--- a/lib/igt_core.c
+++ b/lib/igt_core.c
@@ -225,6 +225,7 @@ enum {
  OPT_RUN_SUBTEST,
  OPT_DESCRIPTION,
  OPT_DEBUG,
+ OPT_INTERACTIVE_DEBUG,
  OPT_HELP = 'h'
 };
 
@@ -391,6 +392,7 @@ static void print_usage(const char *help_str, bool output_on_stderr)
 	fprintf(f, "  --list-subtests\n"
 		   "  --run-subtest <pattern>\n"
 		   "  --debug\n"
+		   "  --interactive-debug <pattern>\n"
 		   "  --help-description\n"
 		   "  --help\n");
 	if (help_str)
@@ -423,6 +425,7 @@ static int common_init(int argc, char **argv,
 		{"run-subtest", 1, 0, OPT_RUN_SUBTEST},
 		{"help-description", 0, 0, OPT_DESCRIPTION},
 		{"debug", 0, 0, OPT_DEBUG},
+		{"interactive-debug", 1, 0, OPT_INTERACTIVE_DEBUG},
 		{"help", 0, 0, OPT_HELP},
 		{0, 0, 0, 0}
 	};
@@ -508,6 +511,9 @@ static int common_init(int argc, char **argv,
 	while ((c = getopt_long(argc, argv, short_opts, combined_opts,
 			       &option_index)) != -1) {
 		switch(c) {
+		case OPT_INTERACTIVE_DEBUG:
+			igt_interactive_debug = strdup(optarg);;
+			break;
 		case OPT_DEBUG:
 			igt_log_level = IGT_LOG_DEBUG;
 			break;
diff --git a/lib/igt_core.h b/lib/igt_core.h
index a258348..20942e4 100644
--- a/lib/igt_core.h
+++ b/lib/igt_core.h
@@ -511,6 +511,8 @@ bool igt_run_in_simulation(void);
 
 void igt_skip_on_simulation(void);
 
+const char *igt_interactive_debug;
+
 /* structured logging */
 enum igt_log_level {
 	IGT_LOG_DEBUG,
-- 
1.9.3

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