Go usually has the 1 repository=1 module convention. However, it is also allowed that one repository contains multiple go modules.
If repository "foo" contains only one module, then versions are tagged "v1.2.3". However, if the repository "foo" contains modules "bar" and "baz", each in a sub-directory of "foo", the versions will be tagged with their respective prefix, i.e.: foo/v1.2.3 bar/v4.5.6 See here: https://github.com/golang/go/wiki/Modules#publishing-a-release https://github.com/golang/go/wiki/Modules#faqs--multi-module-repositories https://stackoverflow.com/questions/64701064/golang-separate-versioning-of-multiple-modules However, our go-importer does not honor this. The Google Cloud API modules are structured into sub-modules, but our importer searches the wrong tag and raises an exception: $ ./pre-inst-env guix import go cloud.google.com/go/storage URL FOR VERSIONS: https://proxy.golang.org/cloud.google.com/go/storage/@v/list FETCH_GO_MOD: https://proxy.golang.org/cloud.google.com/go/storage/@v/v1.21.0.mod Backtrace: In ice-9/boot-9.scm: 1752:10 17 (with-exception-handler _ _ #:unwind? _ # _) In unknown file: 16 (apply-smob/0 #<thunk 7f5b3d24f0c0>) In ice-9/boot-9.scm: 724:2 15 (call-with-prompt _ _ #<procedure default-prompt-handle?>) In ice-9/eval.scm: 619:8 14 (_ #(#(#<directory (guile-user) 7f5b3d255c80>))) In guix/ui.scm: 2209:7 13 (run-guix . _) 2172:10 12 (run-guix-command _ . _) In guix/scripts/import.scm: 124:11 11 (guix-import . _) In ice-9/boot-9.scm: 1752:10 10 (with-exception-handler _ _ #:unwind? _ # _) In guix/scripts/import/go.scm: 116:29 9 (_) In ice-9/exceptions.scm: 406:15 8 (go-module->guix-package* . _) In ice-9/boot-9.scm: 1752:10 7 (with-exception-handler _ _ #:unwind? _ # _) In guix/import/go.scm: 525:18 6 (go-module->guix-package "cloud.google.com/go/storage" # ?) In guix/git.scm: 277:4 5 (update-cached-checkout _ #:ref _ #:recursive? _ # _ # _ ?) 266:18 4 (resolve _) In git/reference.scm: 60:8 3 (_ _ _) In git/bindings.scm: 77:2 2 (raise-git-error _) In ice-9/boot-9.scm: 1685:16 1 (raise-exception _ #:continuable? _) 1683:16 0 (raise-exception _ #:continuable? _) ice-9/boot-9.scm:1683:16: In procedure raise-exception: Git error: reference 'refs/tags/v1.21.0' not found The correct git reference to look for is: refs/tags/storage/v1.21.0 Björn
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