Call ischroot with -t

We interpreted "cannot detect chroot" as "not a chroot", but it's
arguably the better idea to detect it as a chroot, to avoid new behavior
from phased updations in situations where it's unclear (no /proc mounted
or stuff).

1 files changed, 1 insertions, 0 deletions

diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc
index e88029f58..671c3d553 100644
--- a/apt-pkg/aptconfiguration.cc
+++ b/apt-pkg/aptconfiguration.cc
@@ -529,6 +529,7 @@ bool Configuration::isChroot()
 	    auto binary = _config->FindFile("Dir::Bin::ischroot", "/usr/bin/ischroot");
 	    const char *const Args[] = {
 	       binary.c_str(),
+	       "-t",
 	       nullptr};
 	    execvp(Args[0], const_cast<char **>(Args));
 	    _exit(127);