From aef242720d8d17bdaf56fd573fff3c02ccc062cb Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Fri, 26 Aug 2022 11:36:03 +0200
Subject: mkarchiso: touch clock-epoch for extra hint on date and time

This helps on systems with screwed or broken RTC.
---
 CHANGELOG.rst     | 1 +
 archiso/mkarchiso | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index cb4d5d6..1993cd6 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -10,6 +10,7 @@ Added
 
 - Add ``efibootimg`` to ``mkarchiso`` to abstract the FAT image path.
 - Copy all files from the ``grub`` directory to ISO9660 and the FAT image, not just only ``grub.cfg``.
+- Touching ``/usr/lib/clock-epoch`` to to help ``systemd`` with screwed or broken RTC.
 
 Changed
 -------
diff --git a/archiso/mkarchiso b/archiso/mkarchiso
index 04c1e52..5f0c79b 100755
--- a/archiso/mkarchiso
+++ b/archiso/mkarchiso
@@ -1590,6 +1590,11 @@ _make_version() {
         [[ ! -e "${_os_release}" ]] || sed -i '/^IMAGE_ID=/d;/^IMAGE_VERSION=/d' "${_os_release}"
         printf 'IMAGE_ID=%s\nIMAGE_VERSION=%s\n' "${iso_name}" "${iso_version}" >> "${_os_release}"
     fi
+
+    # Touch /usr/lib/clock-epoch to give another hint on date and time
+    # for systems with screwed or broken RTC.
+    touch -m -d"@${SOURCE_DATE_EPOCH}" -- "${pacstrap_dir}/usr/lib/clock-epoch"
+
     _msg_info "Done!"
 }
 
-- 
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