Buildroot performs a checkout which is preserved as a tarball in
the download cache; subsequent builds use the tarball instead of
performing another checkout.
+ ** +cvs+ for retrieving source code from a CVS repository.
+ Used by default when +LIBFOO_SITE+ begins with +cvs://+.
+ The downloaded source code is cached as with the +svn+ method.
+ Only anonymous pserver mode is supported.
+ +LIBFOO_SITE+ 'must' contain the source URL as well as the remote
+ repository directory. The module is the package name.
+ +LIBFOO_VERSION+ is 'mandatory' and 'must' be a timestamp.
** +git+ for retrieving source code from a Git repository. Used by
default when +LIBFOO_SITE+ begins with +git://+. The downloaded
source code is cached as with the +svn+
+
In the official tree, most of the package sources are retrieved
using +wget+; a few are only available through their +git+, +mercurial+,
-or +svn+ repository.
++svn+ or +cvs+ repository.
+
All other source fetching methods are implemented and may be used in a
development context (further details: refer to xref:download-infra[]).