copr / license-validate

Created 2 years ago
Maintained by msuchy
Validate whether license is in approved set
Members 2
Miroslav Suchý committed 2 days ago


Validate whether license is in approved set

This script checks whether string specified in SPEC file conforms to list of approved licenses.

E.g. MIT or GPLv1 is good license string, but BSD and GPL will fail to validate, because Fedora use GPLv1 short name for GPL.

This script does not check source files and does not check whether the license is actually correct. For this purpose you may use licensecheck.


  • fedora-approved-licenses.txt - contains list of licenses from Fedora Licensing:Main. This is manually synced with the wiki. The file can contain empty lines and comments.
  • grammar.lark - this file contains BNF grammar for Lark. It miss one line: license_item: "MIT"|"GPLv1"|...". This line is added there dynamically by
  • - read grammar.lark and accepts filename as argument (usually approved-licenses.txt) and prints complete grammar.


dnf install license-validate
license-validate 'LGPL-2.1-or-later AND GPL-2.0-or-later'
license-fedora2spdx 'GPLv1'
# GPL-1.0-only

Run from checkout

./ fedora-approved-licenses.txt > full-grammar.lark
# optionally to test the grammar
./ full-grammar.lark
./ -v --file full-grammar.lark 'GPLv1 or MIT'