Enable signature checking within build environment

* bind /sys and /dev/pts from host
* drop support for devtmpfs as it is no longer needed
* add /run and /dev/rtc0
* clone own ipc, uts and mount namespaces for chroot
* set localtime, timezone and locale within chroot environment
* copy /etc/pacman.d/gnupg from host

1 files changed, 5 insertions, 3 deletions

diff --git a/pacman-extra.conf b/pacman-extra.conf
index 0b1fea6..821f9a5 100644
--- a/pacman-extra.conf
+++ b/pacman-extra.conf
@@ -45,9 +45,6 @@ Architecture = auto
 # keyring can then be populated with the keys of all official Arch Linux
 # packagers with `pacman-key --populate archlinux`.
 
-# Signature checking does not work within our chroot
-SigLevel = Never
-
 #
 # REPOSITORIES
 #   - can be defined here or included from another file
@@ -72,18 +69,23 @@ SigLevel = Never
 # after the header, and they will be used before the default mirrors.
 
 #[testing]
+#SigLevel = PackageRequired
 #Include = /etc/pacman.d/mirrorlist
 
 [core]
+SigLevel = PackageRequired
 Include = /etc/pacman.d/mirrorlist
 
 [extra]
+SigLevel = PackageRequired
 Include = /etc/pacman.d/mirrorlist
 
 #[community-testing]
+#SigLevel = PackageRequired
 #Include = /etc/pacman.d/mirrorlist
 
 [community]
+SigLevel = PackageRequired
 Include = /etc/pacman.d/mirrorlist
 
 # An example of a custom package repository.  See the pacman manpage for