[PATCH 1/8] make bootstrap output reproducible

["'Felix Moessbauer' via isar-users" <isar-users@googlegroups.com>]

As a preparation to benefit from the hashequiv server, we need to ensure
the sstate artifacts themselves are reproducible (i.e. if no input
parameter changes, the output does not change).

For that, we follow the mmdebstrap recommendation from the manpage and
pin the hostname and resolv.conf.

Signed-off-by: Felix Moessbauer <felix.moessbauer@siemens.com>
---
 meta/recipes-core/isar-mmdebstrap/isar-mmdebstrap.inc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/meta/recipes-core/isar-mmdebstrap/isar-mmdebstrap.inc b/meta/recipes-core/isar-mmdebstrap/isar-mmdebstrap.inc
index 994da174..ee6eda3c 100644
--- a/meta/recipes-core/isar-mmdebstrap/isar-mmdebstrap.inc
+++ b/meta/recipes-core/isar-mmdebstrap/isar-mmdebstrap.inc
@@ -255,6 +255,8 @@ do_bootstrap() {
                    --customize-hook='sed -i "/en_US.UTF-8 UTF-8/s/^#//g" "$1/etc/locale.gen"' \
                    --customize-hook='chroot "$1" /usr/sbin/locale-gen' \
                    --customize-hook='chroot "$1" /usr/bin/apt-get -y clean' \
+                   --customize-hook='echo nameserver 127.0.0.1 > "$1"/etc/resolv.conf' \
+                   --customize-hook='echo isar > "$1"/etc/hostname' \
                    ${@'--skip=output/dev' if d.getVar('ISAR_CHROOT_MODE') == 'unshare' else ''} \
                    --skip=cleanup/apt \
                    --skip=download/empty \
-- 
2.55.0

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