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Re: [Qemu-devel] [PATCH 01/74] tests: acpi: print ASL diff in verbose mo
From: |
Igor Mammedov |
Subject: |
Re: [Qemu-devel] [PATCH 01/74] tests: acpi: print ASL diff in verbose mode |
Date: |
Tue, 22 Dec 2015 18:22:08 +0100 |
On Tue, 22 Dec 2015 18:59:30 +0200
"Michael S. Tsirkin" <address@hidden> wrote:
> On Tue, Dec 22, 2015 at 04:54:06PM +0100, Igor Mammedov wrote:
> > On Tue, 22 Dec 2015 17:28:42 +0200
> > "Michael S. Tsirkin" <address@hidden> wrote:
> >
> > > On Thu, Dec 10, 2015 at 12:40:55AM +0100, Igor Mammedov wrote:
> > > > Signed-off-by: Igor Mammedov <address@hidden>
> > > > ---
> > > > tests/bios-tables-test.c | 7 +++++++
> > > > 1 file changed, 7 insertions(+)
> > > >
> > > > diff --git a/tests/bios-tables-test.c b/tests/bios-tables-test.c
> > > > index 6d37332..50678b5 100644
> > > > --- a/tests/bios-tables-test.c
> > > > +++ b/tests/bios-tables-test.c
> > > > @@ -580,6 +580,13 @@ static void test_acpi_asl(test_data *data)
> > > > (gchar *)&signature,
> > > > sdt->asl_file, sdt->aml_file,
> > > > exp_sdt->asl_file, exp_sdt->aml_file);
> > > > + if (getenv("V")) {
> > >
> > > How do you test? make check V=1?
> > yep
> > make V=1 check
> >
> > >
> > > > + int ret G_GNUC_UNUSED;
> > > > + char *diff = g_strdup_printf("git diff --exit-code
> > > > %s %s",
> > > > + exp_sdt->asl_file, sdt->asl_file);
> > >
> > > This assumes running under git which is generally wrong e.g.
> > > people build from tarballs.
> > > git is also not a build dependency.
> > usually only developers use V=1 as they care about verbose output
> > and they probably use/have git so it doesn't have to builddep,
> > if they don't they won't get any useful output here.
> >
> > my choice of 'git diff' was dictated by the fact that
> > it produces nice colored diff of ASL while usual diff doesn't.
> > And that helps a lot (to me) as that diff is intended
> > for human consumption.
>
> I just do vimdiff on the two files it prints.
> Not sure all this is worth it.
yep, it's something that I was doing manually as well,
but after 50th or so times it was taking too much time,
hence a patch that saves my and hopefully others time.
Alternative solution if V=1:
1. use variable to specify diff command
2. if variable is not defined, print warning to set it
that way user will be informed about diff option when
'make V=1 check' is run and diff is not specified.
>
> > >
> > >
> > > > + ret = system(diff) ;
> > > > + g_free(diff);
> > > > + }
> > > > }
> > > > }
> > > > g_string_free(asl, true);
> > > > --
> > > > 1.8.3.1
> > > >
[Qemu-devel] [PATCH 02/74] acpi: add aml_derefof, Igor Mammedov, 2015/12/09
[Qemu-devel] [PATCH 05/74] acpi: add aml_mutex(), aml_acquire(), aml_release(), Igor Mammedov, 2015/12/09
[Qemu-devel] [PATCH 06/74] acpi: add aml_create_qword_field(), Igor Mammedov, 2015/12/09
[Qemu-devel] [PATCH 07/74] acpi: aml: add helper for Opcode Arg2 Arg2 [Dst] AML pattern, Igor Mammedov, 2015/12/09