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-rw-r--r--nix/nix-daemon/guix-daemon.cc6
1 files changed, 6 insertions, 0 deletions
diff --git a/nix/nix-daemon/guix-daemon.cc b/nix/nix-daemon/guix-daemon.cc
index e2c30e75a8..4f9fa4c525 100644
--- a/nix/nix-daemon/guix-daemon.cc
+++ b/nix/nix-daemon/guix-daemon.cc
@@ -29,6 +29,7 @@
#include <argp.h>
#include <unistd.h>
#include <sys/types.h>
+#include <sys/stat.h>
#include <exception>
/* Variables used by `nix-daemon.cc'. */
@@ -194,6 +195,11 @@ main (int argc, char *argv[])
exit (EXIT_FAILURE);
}
+ /* Set the umask so that the daemon does not end up creating group-writable
+ files, which would lead to "suspicious ownership or permission" errors.
+ See <http://lists.gnu.org/archive/html/bug-guix/2013-07/msg00033.html>. */
+ umask (S_IWGRP | S_IWOTH);
+
#ifdef HAVE_CHROOT
settings.useChroot = true;
#else