console: report detach message on demand

When users pass -1 there's there won't be an escape sequence to exit the console so no need to print a misleading info message about how to detach. Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

console: report detach message on demand
9493cb92 · Christian Brauner · Stéphane Graber · 3f7e0398 · 9493cb92
Unverified Commit 9493cb92 authored Nov 10, 2017 by Christian Brauner Committed by Stéphane Graber Nov 16, 2017
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console.c src/lxc/console.c +2 -0

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--- a/src/lxc/console.c
+++ b/src/lxc/console.c
@@ -665,11 +665,13 @@ int lxc_console(struct lxc_container *c, int ttynum,
 		goto err1;
 	}

+	if (ts->escape >= 1) {
 		fprintf(stderr, "\n"
 			"Connected to tty %1$d\n"
 			"Type <Ctrl+%2$c q> to exit the console, "
 			"<Ctrl+%2$c Ctrl+%2$c> to enter Ctrl+%2$c itself\n",
 			ttynum, 'a' + escape - 1);
+	}

 	ret = setsid();
 	if (ret)