mkosi: Use zstd compression on non-centos distros

Just because centos doesn't support it doesn't mean we can't use it
on the other distros.

3 files changed, 36 insertions, 0 deletions

diff --git a/mkosi.presets/10-initrd/mkosi.conf b/mkosi.presets/10-initrd/mkosi.conf
new file mode 100644
index 0000000000..40fd6c4005
--- /dev/null
+++ b/mkosi.presets/10-initrd/mkosi.conf
@@ -0,0 +1,21 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+[Match]
+Bootable=auto,yes
+
+[Output]
+Format=cpio
+
+[Content]
+BaseTrees=../../mkosi.output/base
+MakeInitrd=yes
+
+# Arch Linux doesn't split their gcc-libs package so we manually remove unneeded stuff here to make sure it
+# doesn't end up in the initrd.
+RemoveFiles=
+        /usr/lib/libgfortran.so*
+        /usr/lib/libgo.so*
+        /usr/lib/libgomp.so*
+        /usr/lib/libgphobos.so*
+        /usr/lib/libobjc.so*
+        /usr/lib/libstdc++.so*
diff --git a/mkosi.presets/10-initrd/mkosi.conf.d/10-centos.conf b/mkosi.presets/10-initrd/mkosi.conf.d/10-centos.conf
new file mode 100644
index 0000000000..c25a17a030
--- /dev/null
+++ b/mkosi.presets/10-initrd/mkosi.conf.d/10-centos.conf
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+[Match]
+Distribution=centos
+
+[Output]
+# TODO: Switch to zstd once we stop building CentOS Stream 8.
+CompressOutput=xz
diff --git a/mkosi.presets/10-initrd/mkosi.conf.d/10-default.conf b/mkosi.presets/10-initrd/mkosi.conf.d/10-default.conf
new file mode 100644
index 0000000000..98f0b7dffb
--- /dev/null
+++ b/mkosi.presets/10-initrd/mkosi.conf.d/10-default.conf
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+[Match]
+Distribution=arch debian fedora opensuse ubuntu
+
+[Output]
+CompressOutput=zst