Add package recipe links for Cygwin

repos.d/windows/cygwin.yaml

@@ -25,6 +25,10 @@
   packagelinks:
     - type: PACKAGE_HOMEPAGE
       url: 'https://cygwin.com/packages/summary/{binname}.html'
+    - type: PACKAGE_RECIPE
+      url: 'https://cygwin.com/cgit/cygwin-packages/{srcname}/tree/${srcname}.cygport'
+    - type: PACKAGE_RECIPE_RAW
+      url: 'https://cygwin.com/cgit/cygwin-packages/{srcname}/plain/${srcname}.cygport'
     # XXX: there's no knowing whether a package is noarch or arch-dependent, so
     # not using the following entries as many of them would be broken;
     # However, if we support link checking for generated links (#722), this
@@ -35,4 +39,8 @@
     #  url: 'http://mirrors.dotsrc.org/cygwin/x86/release/{name}'
     #- type: PACKAGE_SOURCES
     #  url: 'http://mirrors.dotsrc.org/cygwin/x86_64/release/{name}'
+    # XXX: long-term, the plan on the cygwin end is to move source packages to
+    # a separate path, so this will become
+    #- type: PACKAGE_SOURCES
+    #  url: 'http://mirrors.dotsrc.org/cygwin/src/release/{name}'
   groups: [ all, production, cygwin ]