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Subject[PATCH] checkpatch: Validate SPDX license with spdxcheck.py
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Date
Use the existing scripts/spdxcheck.py to validate any
SPDX-License-Identifier found in line 1 or 2 of patches or files.

Miscellanea:

o Properly indent the existing SPDX-License-Identifier block.

Signed-off-by: Joe Perches <joe@perches.com>
---
scripts/checkpatch.pl | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 34e4683de7a3..4523dd6d0476 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -849,6 +849,16 @@ sub is_maintained_obsolete {
return $status =~ /obsolete/i;
}

+sub is_SPDX_License_valid {
+ my ($license) = @_;
+
+ return 1 if (!$tree || which("python") eq "" || !(-e "$root/scripts/spdxcheck.py"));
+
+ my $status = `echo "$license" | python $root/scripts/spdxcheck.py -`;
+ return 0 if ($status ne "");
+ return 1;
+}
+
my $camelcase_seeded = 0;
sub seed_camelcase_includes {
return if ($camelcase_seeded);
@@ -2978,8 +2988,14 @@ sub process {

if ($comment !~ /^$/ &&
$rawline !~ /^\+\Q$comment\E SPDX-License-Identifier: /) {
- WARN("SPDX_LICENSE_TAG",
- "Missing or malformed SPDX-License-Identifier tag in line $checklicenseline\n" . $herecurr);
+ WARN("SPDX_LICENSE_TAG",
+ "Missing or malformed SPDX-License-Identifier tag in line $checklicenseline\n" . $herecurr);
+ } elsif ($rawline =~ /(SPDX-License-Identifier: .*)/) {
+ my $spdx_license = $1;
+ if (!is_SPDX_License_valid($spdx_license)) {
+ WARN("SPDX_LICENSE_TAG",
+ "'$spdx_license' is not supported in LICENSES/...\n" . $herecurr);
+ }
}
}
}
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