[OS-BUILD PATCH 3/3] kernel.spec.template: Add global compression variables

["Prarit Bhargava (via Email Bridge)" <cki-gitlab@xxxxxxxxxx>]

From: Prarit Bhargava <prarit@xxxxxxxxxx>

kernel.spec.template: Add global compression variables

Add global compression variables.  'compression' is the compression
utility, and 'compext' is the compression extension.  In the case of xz,
these variables have the same value but that may not always be the
case.

Signed-off-by: Prarit Bhargava <prarit@xxxxxxxxxx>

diff --git a/redhat/kernel.spec.template b/redhat/kernel.spec.template
index blahblah..blahblah 100755
--- a/redhat/kernel.spec.template
+++ b/redhat/kernel.spec.template
@@ -88,8 +88,11 @@ Summary: The Linux kernel
 %global zipmodules 1
 %endif
 
+# Default compression algorithm
+%global compression xz
+%global compext xz
 %if %{zipmodules}
-%global zipsed -e 's/\.ko$/\.ko.xz/'
+%global zipsed -e 's/\.ko$/\.ko.%compext/'
 %endif
 
 %if 0%{?fedora}
@@ -1819,8 +1822,8 @@ BuildKernel() {
     # NOTENOTE: checksums to the rpm metadata provides list.
     # NOTENOTE: if you change the symvers name, update the backend too
     echo "**** GENERATING kernel ABI metadata ****"
-    xz -c9 < Module.symvers > $RPM_BUILD_ROOT/boot/symvers-$KernelVer.xz
-    cp $RPM_BUILD_ROOT/boot/symvers-$KernelVer.xz $RPM_BUILD_ROOT/lib/modules/$KernelVer/symvers.xz
+    %compression -c9 < Module.symvers > $RPM_BUILD_ROOT/boot/symvers-$KernelVer.%compext
+    cp $RPM_BUILD_ROOT/boot/symvers-$KernelVer.%compext $RPM_BUILD_ROOT/lib/modules/$KernelVer/symvers.%compext
 
 %if %{with_kabichk}
     echo "**** kABI checking is enabled in kernel SPEC file. ****"
@@ -2438,7 +2441,7 @@ find Documentation -type d | xargs chmod u+w
     fi \
   fi \
   if [ "%{zipmodules}" -eq "1" ]; then \
-    find $RPM_BUILD_ROOT/lib/modules/ -type f -name '*.ko' | xargs -P${RPM_BUILD_NCPUS} -r xz; \
+    find $RPM_BUILD_ROOT/lib/modules/ -type f -name '*.ko' | xargs -P${RPM_BUILD_NCPUS} -r %compression; \
   fi \
 %{nil}
 
@@ -2860,9 +2863,9 @@ fi\
 %endif\
 rm -f %{_localstatedir}/lib/rpm-state/%{name}/installing_core_%{KVERREL}%{?1:+%{1}}\
 /bin/kernel-install add %{KVERREL}%{?1:+%{1}} /lib/modules/%{KVERREL}%{?1:+%{1}}/vmlinuz || exit $?\
-if [[ ! -e "/boot/symvers-%{KVERREL}%{?1:+%{1}}.xz" ]]; then\
-    ln -s "/lib/modules/%{KVERREL}%{?1:+%{1}}/symvers.xz" "/boot/symvers-%{KVERREL}%{?1:+%{1}}.xz"\
-    command -v restorecon &>/dev/null && restorecon "/boot/symvers-%{KVERREL}%{?1:+%{1}}.xz" \
+if [[ ! -e "/boot/symvers-%{KVERREL}%{?1:+%{1}}.%compext" ]]; then\
+    ln -s "/lib/modules/%{KVERREL}%{?1:+%{1}}/symvers.%compext" "/boot/symvers-%{KVERREL}%{?1:+%{1}}.%compext"\
+    command -v restorecon &>/dev/null && restorecon "/boot/symvers-%{KVERREL}%{?1:+%{1}}.%compext" \
 fi\
 %{nil}
 
@@ -3119,9 +3122,9 @@ fi
 %endif\
 %attr(0600, root, root) /lib/modules/%{KVERREL}%{?3:+%{3}}/System.map\
 %ghost %attr(0600, root, root) /boot/System.map-%{KVERREL}%{?3:+%{3}}\
-/lib/modules/%{KVERREL}%{?3:+%{3}}/symvers.xz\
+/lib/modules/%{KVERREL}%{?3:+%{3}}/symvers.%compext\
 /lib/modules/%{KVERREL}%{?3:+%{3}}/config\
-%ghost %attr(0600, root, root) /boot/symvers-%{KVERREL}%{?3:+%{3}}.xz\
+%ghost %attr(0600, root, root) /boot/symvers-%{KVERREL}%{?3:+%{3}}.%compext\
 %ghost %attr(0600, root, root) /boot/initramfs-%{KVERREL}%{?3:+%{3}}.img\
 %ghost %attr(0644, root, root) /boot/config-%{KVERREL}%{?3:+%{3}}\
 %dir /lib/modules\

--
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/2173
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