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-rw-r--r--src/basic/terminal-util.c26
1 files changed, 17 insertions, 9 deletions
diff --git a/src/basic/terminal-util.c b/src/basic/terminal-util.c
index f0a46c48cf..bfa936bd4e 100644
--- a/src/basic/terminal-util.c
+++ b/src/basic/terminal-util.c
@@ -39,6 +39,7 @@
#include <unistd.h>
#include "alloc-util.h"
+#include "env-util.h"
#include "fd-util.h"
#include "fileio.h"
#include "fs-util.h"
@@ -1191,12 +1192,9 @@ int open_terminal_in_namespace(pid_t pid, const char *name, int mode) {
return receive_one_fd(pair[0], 0);
}
-bool terminal_is_dumb(void) {
+static bool getenv_terminal_is_dumb(void) {
const char *e;
- if (!on_tty())
- return true;
-
e = getenv("TERM");
if (!e)
return true;
@@ -1204,15 +1202,25 @@ bool terminal_is_dumb(void) {
return streq(e, "dumb");
}
+bool terminal_is_dumb(void) {
+ if (!on_tty())
+ return true;
+
+ return getenv_terminal_is_dumb();
+}
+
bool colors_enabled(void) {
static int enabled = -1;
if (_unlikely_(enabled < 0)) {
- const char *colors;
-
- colors = getenv("SYSTEMD_COLORS");
- if (colors)
- enabled = parse_boolean(colors) != 0;
+ int val;
+
+ val = getenv_bool("SYSTEMD_COLORS");
+ if (val >= 0)
+ enabled = val;
+ else if (getpid() == 1)
+ /* PID1 outputs to the console without holding it open all the time */
+ enabled = !getenv_terminal_is_dumb();
else
enabled = !terminal_is_dumb();
}