diff options
| -rw-r--r-- | meta/classes/license.bbclass | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/meta/classes/license.bbclass b/meta/classes/license.bbclass index 4b98e29916..10a937b10c 100644 --- a/meta/classes/license.bbclass +++ b/meta/classes/license.bbclass @@ -282,6 +282,69 @@ def incompatible_license(d,dont_want_license): return True return False + +def check_license_flags(d): + """ + This function checks if a recipe has any LICENSE_FLAGs that + aren't whitelisted. + + If it does, it returns the first LICENSE_FLAG missing from the + whitelist, or all the LICENSE_FLAGs if there is no whitelist. + + If everything is is properly whitelisted, it returns None. + """ + + def license_flag_matches(flag, whitelist, pn): + """ + Return True if flag matches something in whitelist, None if not. + + Before we test a flag against the whitelist, we append _${PN} + to it. We then try to match that string against the + whitelist. This covers the normal case, where we expect + LICENSE_FLAGS to be a simple string like 'commercial', which + the user typically matches exactly in the whitelist by + explicitly appending the package name e.g 'commercial_foo'. + If we fail the match however, we then split the flag across + '_' and append each fragment and test until we either match or + run out of fragments. + """ + flag_pn = ("%s_%s" % (flag, pn)) + for candidate in whitelist: + if flag_pn == candidate: + return True + + flag_cur = "" + flagments = flag_pn.split("_") + flagments.pop() # we've already tested the full string + for flagment in flagments: + if flag_cur: + flag_cur += "_" + flag_cur += flagment + for candidate in whitelist: + if flag_cur == candidate: + return True + return False + + def all_license_flags_match(license_flags, whitelist): + """ Return first unmatched flag, None if all flags match """ + pn = d.getVar('PN', True) + split_whitelist = whitelist.split() + for flag in license_flags.split(): + if not license_flag_matches(flag, split_whitelist, pn): + return flag + return None + + license_flags = d.getVar('LICENSE_FLAGS', True) + if license_flags: + whitelist = d.getVar('LICENSE_FLAGS_WHITELIST', True) + if not whitelist: + return license_flags + unmatched_flag = all_license_flags_match(license_flags, whitelist) + if unmatched_flag: + return unmatched_flag + return None + + SSTATETASKS += "do_populate_lic" do_populate_lic[sstate-name] = "populate-lic" do_populate_lic[sstate-inputdirs] = "${LICSSTATEDIR}" |