tools/license-detector: make BSD-3-Clause detection more generic

Author: mtelka

components/perl/Socket6/perl-integrate-module.conf

@@ -14,5 +14,5 @@
 #
 
 %hook-no-license%
-cat "$SOURCE_DIR/README" | gsed -e '0,/^5\. Copyright$/d' -e '/./,$!d' > "$DISTRIBUTION.license"
+cat "$SOURCE_DIR/README" | gsed -e '0,/^5\. Copyright$/d' -e '/./,$!d' -e 's/^\([123]\)/\n\1/' > "$DISTRIBUTION.license"
 USE_DEFAULT_PERL_LICENSE=0

tools/licenses/BSD-3-Clause

@@ -1,8 +1,7 @@
 # sed -E -n
-# -e 's/3\..+(be used to endorse or promote products.*)$/REPLACEABLE \1/'
-# -e 's/\*[^*]+(be used to endorse or promote products.*)$/REPLACEABLE \1/'
-# -e 's/[0-9]+\. *(Redistributions)/\1/g'
-# -e 's/\* *(Redistributions)/\1/g'
+# -e 's/^[123]\. +//'
+# -e 's/^\* +//'
+# -e 's/^.*(be used to endorse or promote products.*)$/REPLACEABLE \1/'
 # -e 's/``/"/g' -e "s/''/\"/g"
 # -e 's/(THIS SOFTWARE IS PROVIDED BY).*("AS IS" AND ANY).*(OR IMPLIED WARRANTIES)/\1 REPLACEABLE \2 REPLACEABLE \3/'
 # -e 's/(IN NO EVENT SHALL).*(BE LIABLE)/\1 REPLACEABLE \2/'