From 3cfb020cb9ce5958ac39a7fd586cc4e893a7b190 Mon Sep 17 00:00:00 2001
From: Daan De Meyer <daan.j.demeyer@gmail.com>
Date: Thu, 11 Jul 2024 16:19:20 +0200
Subject: [PATCH] mkosi: Use squashfs for sysext if mkfs.erofs is not available

CentOS Stream 10 does not have erofs-utils so let's add a fallback
to squashfs when building the sysext.
---
 mkosi.functions | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/mkosi.functions b/mkosi.functions
index c19c1aa643..993f2e8a39 100644
--- a/mkosi.functions
+++ b/mkosi.functions
@@ -38,7 +38,15 @@ EOF
 
     rm -f "$BUILDDIR"/systemd.raw
 
-    env --unset=SYSTEMD_REPART_OVERRIDE_FSTYPE_ROOT \
+    local fstype
+
+    if command -v mkfs.erofs; then
+        fstype=erofs
+    else
+        fstype=squashfs
+    fi
+
+    env SYSTEMD_REPART_OVERRIDE_FSTYPE_ROOT="$fstype" \
     "$BUILDDIR"/systemd-repart \
         --make-ddi=sysext-unsigned \
         --copy-source="$1" \