static bool on_tty(void) {
static int t = -1;
+ /* Note that this is invoked relatively early, before we start
+ * the pager. That means the value we return reflects whether
+ * we originally were started on a tty, not if we currently
+ * are. But this is intended, since we want color, and so on
+ * when run in our own pager. */
+
if (_unlikely_(t < 0))
t = isatty(STDOUT_FILENO) > 0;
dup2(fd[0], STDIN_FILENO);
close_pipe(fd);
- if (!getenv("LESS"))
- setenv("LESS", "FRSX", 0);
+ setenv("LESS", "FRSX", 0);
prctl(PR_SET_PDEATHSIG, SIGTERM);
execlp(pager, pager, NULL);
execl("/bin/sh", "sh", "-c", pager, NULL);
} else {
- execlp("sensible-pager", "sensible-pager", NULL);
+ /* Debian's alternatives command for pagers is
+ * called 'pager'. Note that we do not call
+ * sensible-pagers here, since that is just a
+ * shell script that implements a logic that
+ * is similar to this one anyway, but is
+ * Debian-specific. */
+ execlp("pager", "pager", NULL);
+
execlp("less", "less", NULL);
execlp("more", "more", NULL);
}