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ktest updates for v6.9:

Browse Source 
- Allow variables to contain variables. This makes the shell commands
   have a bit more flexibility to reuse existing variables.
 
 - Have make_warnings_file in build-only mode require limited variables
 
   The make_warnings_file test will create a file with all existing
   warnings (which can be used to compare against in builds with
   new commits). Add it to the build-only list that doesn't require
   other variables (like how to reset a machine), as the make_warnings_file
   makes the most sense on build only tests.
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Merge tag 'ktest-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest

Pull ktest updates from Steven Rostedt:

 - Allow variables to contain variables. This makes the shell commands
   have a bit more flexibility to reuse existing variables.

 - Have make_warnings_file in build-only mode require limited variables

   The make_warnings_file test will create a file with all existing
   warnings (which can be used to compare against in builds with new
   commits). Add it to the build-only list that doesn't require other
   variables (like how to reset a machine), as the make_warnings_file
   makes the most sense on build only tests.

* tag 'ktest-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
  ktest: force $buildonly = 1 for 'make_warnings_file' test type
  ktest.pl: Process variables within variables
This commit is contained in:
Linus Torvalds 2024-03-18 15:27:03 -07:00
commit 65b64246f2
1 changed files with 11 additions and 6 deletions
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17
tools/testing/ktest/ktest.pl
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@ -792,13 +792,13 @@ sub process_variables {
my $retval = "";
# We want to check for '\', and it is just easier
# to check the previous characet of '$' and not need
# to check the previous character of '$' and not need
# to worry if '$' is the first character. By adding
# a space to $value, we can just check [^\\]\$ and
# it will still work.
$value = " $value";
while ($value =~ /(.*?[^\\])\$\{(.*?)\}(.*)/) {
while ($value =~ /(.*?[^\\])\$\{([^\{]*?)\}(.*)/) {
my $begin = $1;
my $var = $2;
my $end = $3;
@ -818,16 +818,20 @@ sub process_variables {
# we simple convert to 0
$retval = "${retval}0";
} else {
# put back the origin piece.
$retval = "$retval\$\{$var\}";
# put back the origin piece, but with $#### to not reprocess it
$retval = "$retval\$####\{$var\}";
# This could be an option that is used later, save
# it so we don't warn if this option is not one of
# ktests options.
$used_options{$var} = 1;
}
$value = $end;
$value = "$retval$end";
$retval = "";
}
$retval = "$retval$value";
$retval = $value;
# Convert the saved variables with $####{var} back to ${var}
$retval =~ s/\$####/\$/g;
# remove the space added in the beginning
$retval =~ s/ //;
@ -843,6 +847,7 @@ sub set_value {
if ($lvalue =~ /^(TEST|BISECT|CONFIG_BISECT)_TYPE(\[.*\])?$/ &&
$prvalue !~ /^(config_|)bisect$/ &&
$prvalue !~ /^build$/ &&
$prvalue !~ /^make_warnings_file$/ &&
$buildonly) {
# Note if a test is something other than build, then we