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tests: acpi: print ASL diff in verbose mode 

print ASL difference if there is any when
executing 'make V=1 check'.
Use 'DIFF' environment variable to determine
which diff utility to use and if it's not set
notify user by printing warning that DIFF is
not set if run in verbose mode and there is
difference in ASL.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2015-12-28 18:02:08 +01:00 committed by Michael S. Tsirkin
parent f070efa8d9
commit 7cb08cb2d7
1 changed files with 16 additions and 0 deletions
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16
tests/bios-tables-test.c
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@ -580,6 +580,22 @@ 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")) {
const char *diff_cmd = getenv("DIFF");
if (diff_cmd) {
int ret G_GNUC_UNUSED;
char *diff = g_strdup_printf("%s %s %s", diff_cmd,
exp_sdt->asl_file, sdt->asl_file);
ret = system(diff) ;
g_free(diff);
} else {
fprintf(stderr, "acpi-test: Warning. not showing "
"difference since no diff utility is specified. "
"Set 'DIFF' environment variable to a preferred "
"diff utility and run 'make V=1 check' again to "
"see ASL difference.");
}
}
}
}
g_string_free(asl, true);