From 01c03167421615cbfbe6c6f626fed22ac6e0992c Mon Sep 17 00:00:00 2001
From: Thierry Vignaud <thierry.vignaud@gmail.com>
Date: Tue, 18 Feb 2020 15:51:01 +0100
Subject: (preserve_UUID_after_format) split it

so that part_raw() is easier to read
---
 perl-install/fs/format.pm | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/perl-install/fs/format.pm b/perl-install/fs/format.pm
index 5f841163e..039352928 100644
--- a/perl-install/fs/format.pm
+++ b/perl-install/fs/format.pm
@@ -280,9 +280,20 @@ sub part_raw {
 
     delete $part->{device_LABEL_changed};
 
-    # Preserve UUID on fs where we couldn't enforce it while formatting
+    preserve_UUID_after_format($dev, $part, $fs_type);
+    after_formatting($part);
+}
+
+=item preserve_UUID_after_format($dev, $part, $fs_type)
+
+Preserve UUID on fs where we couldn't enforce it while formatting
+
+=cut
+
+sub preserve_UUID_after_format {
+    my ($dev, $part, $fs_type) = @_;
     if (my $uuid_cmd = $preserve_UUID{$fs_type}) {
-	(undef, $cmd) = @$uuid_cmd;
+	my (undef, $cmd) = @$uuid_cmd;
 	run_program::raw({}, $cmd, '-U', $part->{device_UUID}, devices::make($dev)) if $cmd;
     } elsif ($fs_type eq 'btrfs' && $part->{device_UUID}) {
 	write_btrfs_uuid($part->{device_UUID}, $dev);
@@ -291,8 +302,6 @@ sub part_raw {
     if (member($fs_type, qw(ext3 ext4))) {
 	disable_forced_fsck($dev);
     }
-
-    after_formatting($part);
 }
 
 sub after_formatting {
-- 
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