linux-kernel - [PATCH 2/5] ktest: cleanup get_grub

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Date:   Thu,  9 May 2019 13:46:27 -0400
From:   Masayoshi Mizuma <msys.mizuma@...il.com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Masayoshi Mizuma <msys.mizuma@...il.com>,
        Masayoshi Mizuma <m.mizuma@...fujitsu.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/5] ktest: cleanup get_grub_index

From: Masayoshi Mizuma <m.mizuma@...fujitsu.com>

Cleanup get_grub_index().

Signed-off-by: Masayoshi Mizuma <m.mizuma@...fujitsu.com>
---
 tools/testing/ktest/ktest.pl | 50 +++++++++++-------------------------
 1 file changed, 15 insertions(+), 35 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 3862b23672f7..1255ea0d9df4 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -1934,46 +1934,26 @@ sub get_grub2_index {
 
 sub get_grub_index {
 
-    if ($reboot_type eq "grub2") {
-	get_grub2_index;
-	return;
-    }
-
-    if ($reboot_type ne "grub") {
-	return;
-    }
-    return if (defined($grub_number) && defined($last_grub_menu) &&
-	       $last_grub_menu eq $grub_menu && defined($last_machine) &&
-	       $last_machine eq $machine);
-
-    doprint "Find grub menu ... ";
-    $grub_number = -1;
+    my $command;
+    my $target;
+    my $skip;
+    my $grub_menu_qt;
 
-    my $ssh_grub = $ssh_exec;
-    $ssh_grub =~ s,\$SSH_COMMAND,cat /boot/grub/menu.lst,g;
+    return if ($reboot_type ne "grub") and ($reboot_type ne "grub2");
 
-    open(IN, "$ssh_grub |")
-	or dodie "unable to get menu.lst";
-
-    my $found = 0;
-    my $grub_menu_qt = quotemeta($grub_menu);
+    $grub_menu_qt = quotemeta($grub_menu);
 
-    while (<IN>) {
-	if (/^\s*title\s+$grub_menu_qt\s*$/) {
-	    $grub_number++;
-	    $found = 1;
-	    last;
-	} elsif (/^\s*title\s/) {
-	    $grub_number++;
-	}
+    if ($reboot_type eq "grub") {
+	$command = "cat /boot/grub/menu.lst";
+	$target = '^\s*title\s+' . $grub_menu_qt . '\s*$';
+	$skip = '^\s*title\s';
+    } elsif ($reboot_type eq "grub2") {
+	$command = "cat $grub_file";
+	$target = '^menuentry.*' . $grub_menu_qt;
+	$skip = '^menuentry\s|^submenu\s';
     }
-    close(IN);
 
-    dodie "Could not find '$grub_menu' in /boot/grub/menu on $machine"
-	if (!$found);
-    doprint "$grub_number\n";
-    $last_grub_menu = $grub_menu;
-    $last_machine = $machine;
+    _get_grub_index($command, $target, $skip);
 }
 
 sub wait_for_input
-- 
2.20.1