Discussed in <http://bugs.gnu.org/20255>.
* guix/packages.scm (sexp->search-path-specification): New variable.
* guix/profiles.scm (<manifest-entry>)[search-paths]: New field.
(package->manifest-entry): Initialize it.
(manifest->gexp): Match it. Wrap #$deps in (propagated-inputs ...).
Emit (search-paths ...). Increment version.
(find-package): New procedure.
(sexp->manifest)[infer-search-paths]: New procedure.
Use it to initialize the 'search-paths' field for versions 0 and 1.
Add case for version 2.
* guix/scripts/package.scm (search-path-environment-variables)[manifest-entry->package]:
Remove.
Use 'manifest-entry-search-paths' instead of 'manifest-entry->package'
plus 'package-native-search-paths'.
* tests/profiles.scm ("profile-manifest, search-paths"): New test.
dedb17ad01