Fixes <https://bugs.gnu.org/28709>. * guix/build/download-nar.scm: New file. * Makefile.am (MODULES): Add it. * guix/cvs-download.scm (cvs-fetch)[zlib, config.scm, modules]: New variables. [build]: Use MODULES. Add call to 'download-nar'. * guix/git-download.scm (git-fetch): Likewise. * guix/hg-download.scm (hg-fetch): Likewise.
* guix/cvs-download.scm (cvs-fetch): Use 'with-imported-modules' instead of the #:modules argument of 'gexp->derivation'. * guix/download.scm (url-fetch): Likewise. * guix/git-download.scm (git-fetch): Likewise. * guix/hg-download.scm (hg-fetch): Likewise. * guix/svn-download.scm (svn-fetch): Likewise.
* guix/build/hg.scm: New file. * guix/hg-download.scm: New file. * Makefile.am (MODULES): Add them.