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guix: opam: Add coq support in the importer. 

* guix/import/opam.scm (get-opam-repository): Add support for coq
repositories.
(ocaml-name->guix-name): Properly name coq package.
* doc/guix.texi (Invoking guix import): Document it.
master
Julien Lepiller 2020-12-08 15:03:47 +01:00
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commit ccc4d287b7
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19
doc/guix.texi
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@ -11291,6 +11291,25 @@ in Guix.
@cindex OCaml
Import metadata from the @uref{https://opam.ocaml.org/, OPAM} package
repository used by the OCaml community.
Additional options include:
@table @code
@item --recursive
@itemx -r
Traverse the dependency graph of the given upstream package recursively
and generate package expressions for all those packages that are not yet
in Guix.
@item --repo
Select the given repository (a repository name). Possible values include:
@itemize
@item @code{opam}, the default opam repository,
@item @code{coq} or @code{coq-released}, the stable repository for coq packages,
@item @code{coq-core-dev}, the repository that contains development versions of coq,
@item @code{coq-extra-dev}, the repository that contains development versions
of coq packages.
@end itemize
@end table
@end table
The structure of the @command{guix import} code is modular. It would be

8
guix/import/opam.scm
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@ -126,12 +126,19 @@ path to the repository."
(let ((url (cond
((or (not repo) (equal? repo 'opam))
"https://github.com/ocaml/opam-repository")
((string-prefix? "coq-" (symbol->string repo))
"https://github.com/coq/opam-coq-archive")
((equal? repo 'coq) "https://github.com/coq/opam-coq-archive")
(else (throw 'unknown-repository repo)))))
(receive (location commit _)
(update-cached-checkout url)
(cond
((or (not repo) (equal? repo 'opam))
location)
((equal? repo 'coq)
(string-append location "/released"))
((string-prefix? "coq-" (symbol->string repo))
(string-append location "/" (substring (symbol->string repo) 4)))
(else location)))))
(define (latest-version versions)
@ -168,6 +175,7 @@ path to the repository."
(substitute-char
(cond
((equal? name "ocamlfind") "ocaml-findlib")
((equal? name "coq") name)
((string-prefix? "ocaml" name) name)
((string-prefix? "conf-" name) (substring name 5))
(else (string-append "ocaml-" name)))