Add support for $thisyear and $lastyear in *.sources

donate/thankgnus.sources

@@ -1,4 +1,4 @@
-donate/donors/donors-2018:[]
-donate/donors/donors-2019:[]
+donate/donors/donors-$thisyear:[]
+donate/donors/donors-$lastyear:[]
 localmenuinfo:[]
 d_day:[]

index.sources

@@ -1,5 +1,7 @@
-news/2019/news:[frontpage]
-news/2019/.news:[frontpage]
-events/2019/event:[frontpage]
+news/$thisyear/news:[frontpage]
+news/$lastyear/news:[frontpage]
+news/$thisyear/.news:[frontpage]
+news/$lastyear/.news:[frontpage]
+events/$thisyear/event:[frontpage]
 tools/frontpage/:[]
 tools/static-elements/element-:[]

news/news.sources

@@ -1,9 +1,9 @@
-news/2019/news:[]
-news/2019/.news:[]
-news/nl/nl-2019:[]
-news/nl/.nl-2019:[]
-news/2018/news:[]
-news/2018/.news:[]
-news/nl/nl-2018:[]
-news/nl/.nl-2018:[]
+news/$thisyear/news:[]
+news/$lastyear/news:[]
+news/$thisyear/.news:[]
+news/$lastyear/.news:[]
+news/nl/nl-$thisyear:[]
+news/nl/nl-$lastyear:[]
+news/nl/.nl-$thisyear:[]
+news/nl/.nl-$lastyear:[]
 tools/static-elements/element-:[]

tools/update_xmllists.sh

@@ -27,6 +27,9 @@ set -o pipefail
 
 pid=$$
 
+thisyear=$(date --date="this year" +%Y)
+lastyear=$(date --date="last year" +%Y)
+
 # -----------------------------------------------------------------------------
 # Make sure temporary directory is empty
 # -----------------------------------------------------------------------------
@@ -101,6 +104,10 @@ for source_file in $(find * -name '*.sources' | sort); do
       continue
     fi
 
+    # Honor $thisyear and $lastyear variables
+    pattern=${pattern//\$thisyear/${thisyear}}
+    pattern=${pattern//\$lastyear/${lastyear}}
+
     # Change from a glob pattern into a regex
     pattern=$(echo "${pattern}" | sed -r -e 's/([.^$[])/\\\1/g; s/\*/.*/g')