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utils: Use '@' for separating package names and version numbers.

This provides the ability to use numbers in package names.

Fixes <http://bugs.gnu.org/19219>.

* guix/utils.scm (package-name->name+version): New procedure.
* gnu/packages.scm (%find-package): Add a FALLBACK? keyword argument.
Use the previous method when no package is found.
(specification->package+output, specification->package): Adapt
documentation to new syntax.
* doc/guix.texi (Invoking guix package, Invoking guix import): Likewise.
* guix/ui.scm (package-specification->name+version+output): Likewise.
* guix/scripts/import/hackage.scm (show-help): Likewise.
* tests/guix-build.sh: Adapt to new syntax.
* tests/guix-lint.sh: Likewise.
* tests/guix-package.sh: Likewise.
* tests/ui.scm ("package-specification->name+version+output"): Likewise.
* tests/utils.scm ("package-name->name+version"): Likewise.
* NEWS: Mention new syntax.
master
Mathieu Lirzin 2016-02-28 23:11:36 +01:00
parent fad155d47e
commit 1b846da8c3
11 changed files with 62 additions and 27 deletions

17
NEWS
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@ -14,18 +14,30 @@ Please send Guix bug reports to bug-guix@gnu.org.
** Package management
*** New syntax for separating package names and version numbers
Use @ instead of - as a separator, as in gnupg@2.0. This new separator
is a reserved character which is not allowed both in package names and version
numbers.
The old syntax to specify a packages version—e.g., as “gnupg-2.0”—is obsolete
and support for it will be removed in the future.
*** Emacs interface for licenses
*** Emacs interface for system generations
*** Emacs interface for hydra.gnu.org
*** Changes in Emacs interface variables and faces
In the following names, BUFFER-TYPE means "info" or "list";
ENTRY-TYPE means "package", "output" or "generation".
**** Removed
- guix-info-fill-column
- guix-info-insert-ENTRY-TYPE-function
**** Renamed
- guix-info-ignore-empty-vals -> guix-info-ignore-empty-values
- guix-output-name-width -> guix-generation-output-name-width
- guix-buffer-name-function -> guix-ui-buffer-name-function
@ -34,6 +46,7 @@ ENTRY-TYPE means "package", "output" or "generation".
- guix-BUFFER-TYPE-file-path (face) -> guix-BUFFER-TYPE-file-name
**** Replaced
- guix-list-column-format, guix-list-column-value-methods ->
guix-ENTRY-TYPE-list-format
- guix-info-displayed-params, guix-info-insert-methods,
@ -44,6 +57,10 @@ ENTRY-TYPE means "package", "output" or "generation".
guix-ENTRY-TYPE-list-describe-warning-count
- guix-package-info-fill-heading -> guix-info-fill
** Noteworthy bug fixes
*** Numbers in package names are correctly handled (http://bugs.gnu.org/19219)
* Changes in 0.9.0 (since 0.8.3)
** Package management

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@ -13,7 +13,7 @@
Copyright @copyright{} 2012, 2013, 2014, 2015, 2016 Ludovic Courtès@*
Copyright @copyright{} 2013, 2014, 2016 Andreas Enge@*
Copyright @copyright{} 2013 Nikita Karetnikov@*
Copyright @copyright{} 2015 Mathieu Lirzin@*
Copyright @copyright{} 2015, 2016 Mathieu Lirzin@*
Copyright @copyright{} 2014 Pierre-Antoine Rault@*
Copyright @copyright{} 2015 Taylan Ulrich Bayırlı/Kammer@*
Copyright @copyright{} 2015, 2016 Leo Famulari
@ -1285,14 +1285,14 @@ The @var{options} can be among the following:
Install the specified @var{package}s.
Each @var{package} may specify either a simple package name, such as
@code{guile}, or a package name followed by a hyphen and version number,
such as @code{guile-1.8.8} or simply @code{guile-1.8} (in the latter
@code{guile}, or a package name followed by an at-sign and version number,
such as @code{guile@@1.8.8} or simply @code{guile@@1.8} (in the latter
case, the newest version prefixed by @code{1.8} is selected.)
If no version number is specified, the
newest available version will be selected. In addition, @var{package}
may contain a colon, followed by the name of one of the outputs of the
package, as in @code{gcc:doc} or @code{binutils-2.22:lib}
package, as in @code{gcc:doc} or @code{binutils@@2.22:lib}
(@pxref{Packages with Multiple Outputs}). Packages with a corresponding
name (and optionally version) are searched for among the GNU
distribution modules (@pxref{Package Modules}).
@ -4522,10 +4522,10 @@ guix import hackage -t -e "'((\"network-uri\" . false))" HTTP
@end example
A specific package version may optionally be specified by following the
package name by a hyphen and a version number as in the following example:
package name by an at-sign and a version number as in the following example:
@example
guix import hackage mtl-2.1.3.1
guix import hackage mtl@@2.1.3.1
@end example
@item elpa

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@ -282,7 +282,7 @@ return its return value."
;;; Package specification.
;;;
(define (%find-package spec name version)
(define* (%find-package spec name version #:key fallback?)
(match (find-best-packages-by-name name version)
((pkg . pkg*)
(unless (null? pkg*)
@ -290,15 +290,23 @@ return its return value."
(warning (_ "choosing ~a from ~a~%")
(package-full-name pkg)
(location->string (package-location pkg))))
(when fallback?
(warning (_ "deprecated NAME-VERSION syntax.~%")))
pkg)
(_
(if version
(leave (_ "~A: package not found for version ~a~%") name version)
(leave (_ "~A: unknown package~%") name)))))
(or fallback?
;; XXX: Fallback to the older specification style with an hyphen
;; between NAME and VERSION, for backward compatibility.
(let ((proc (@ (guix build utils) package-name->name+version)))
(call-with-values (proc name)
(cut %find-package spec <> <> #:fallback? #t)))
(leave (_ "~A: unknown package~%") name))))))
(define (specification->package spec)
"Return a package matching SPEC. SPEC may be a package name, or a package
name followed by a hyphen and a version number. If the version number is not
name followed by an at-sign and a version number. If the version number is not
present, return the preferred newest version."
(let-values (((name version) (package-name->name+version spec)))
(%find-package spec name version)))
@ -308,9 +316,9 @@ present, return the preferred newest version."
optionally contain a version number and an output name, as in these examples:
guile
guile-2.0.9
guile@2.0.9
guile:debug
guile-2.0.9:debug
guile@2.0.9:debug
If SPEC does not specify a version number, return the preferred newest
version; if SPEC does not specify an output, return OUTPUT."

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@ -46,7 +46,7 @@
(define (show-help)
(display (_ "Usage: guix import hackage PACKAGE-NAME
Import and convert the Hackage package for PACKAGE-NAME. If PACKAGE-NAME
includes a suffix constituted by a dash followed by a numerical version (as
includes a suffix constituted by a at-sign followed by a numerical version (as
used with Guix packages), then a definition for the specified version of the
package will be generated. If no version suffix is pecified, then the
generated package definition will correspond to the latest available

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@ -1081,9 +1081,9 @@ package name, version number (or #f), and output name (or OUTPUT). SPEC may
optionally contain a version number and an output name, as in these examples:
guile
guile-2.0.9
guile@2.0.9
guile:debug
guile-2.0.9:debug
guile@2.0.9:debug
"
(let*-values (((name sub-drv)
(match (string-rindex spec #\:)

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@ -3,6 +3,7 @@
;;; Copyright © 2013, 2014, 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
;;; Copyright © 2014 Ian Denhardt <ian@zenhack.net>
;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
;;; Copyright © 2015 David Thompson <davet@gnu.org>
;;;
;;; This file is part of GNU Guix.
@ -31,8 +32,7 @@
#:use-module (rnrs bytevectors)
#:use-module (rnrs io ports)
#:use-module ((rnrs bytevectors) #:select (bytevector-u8-set!))
#:use-module ((guix build utils)
#:select (dump-port package-name->name+version))
#:use-module ((guix build utils) #:select (dump-port))
#:use-module ((guix build syscalls) #:select (errno mkdtemp!))
#:use-module (ice-9 vlist)
#:use-module (ice-9 format)
@ -42,7 +42,6 @@
#:use-module (ice-9 match)
#:use-module (ice-9 format)
#:use-module (system foreign)
#:re-export (package-name->name+version)
#:export (bytevector->base16-string
base16-string->bytevector
@ -66,6 +65,7 @@
gnu-triplet->nix-system
%current-system
%current-target-system
package-name->name+version
version-compare
version>?
version>=?
@ -544,6 +544,15 @@ returned by `config.guess'."
;; cross-building to.
(make-parameter #f))
(define (package-name->name+version spec)
"Given SPEC, a package name like \"foo@0.9.1b\", return two values: \"foo\"
and \"0.9.1b\". When the version part is unavailable, SPEC and #f are
returned. Both parts must not contain any '@'."
(match (string-rindex spec #\@)
(#f (values spec #f))
(idx (values (substring spec 0 idx)
(substring spec (1+ idx))))))
(define version-compare
(let ((strverscmp
(let ((sym (or (dynamic-func "strverscmp" (dynamic-link))

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@ -161,8 +161,8 @@ then false; else true; fi
# Parsing package names and versions.
guix build -n time # PASS
guix build -n time-1.7 # PASS, version found
if guix build -n time-3.2; # FAIL, version not found
guix build -n time@1.7 # PASS, version found
if guix build -n time@3.2; # FAIL, version not found
then false; else true; fi
if guix build -n something-that-will-never-exist; # FAIL
then false; else true; fi

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@ -75,4 +75,4 @@ if guix lint -c synopsis,invalid-checker dummy 2>&1 | \
then true; else false; fi
# Make sure specifying multiple packages works.
guix lint -c inputs-should-be-native dummy dummy-42 dummy
guix lint -c inputs-should-be-native dummy dummy@42 dummy

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@ -207,13 +207,13 @@ cat > "$module_dir/foo.scm"<<EOF
EOF
guix package -A emacs-foo-bar -L "$module_dir" | grep 42
guix package -i emacs-foo-bar-42 -n -L "$module_dir"
guix package -i emacs-foo-bar@42 -n -L "$module_dir"
# Same thing using the 'GUIX_PACKAGE_PATH' environment variable.
GUIX_PACKAGE_PATH="$module_dir"
export GUIX_PACKAGE_PATH
guix package -A emacs-foo-bar | grep 42
guix package -i emacs-foo-bar-42 -n
guix package -i emacs-foo-bar@42 -n
# Make sure patches that live under $GUIX_PACKAGE_PATH are found.
cat > "$module_dir/emacs.patch"<<EOF

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@ -108,10 +108,10 @@ Second line" 24))
(package-specification->name+version+output spec))
list))
'("guile"
"guile-2.0.9"
"guile@2.0.9"
"guile:debug"
"guile-2.0.9:debug"
"guile-cairo-1.4.1")))
"guile@2.0.9:debug"
"guile-cairo@1.4.1")))
(test-equal "integer"
'(1)

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@ -1,6 +1,7 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@ -59,14 +60,14 @@
((name version)
(let*-values (((full-name)
(if version
(string-append name "-" version)
(string-append name "@" version)
name))
((name* version*)
(package-name->name+version full-name)))
(and (equal? name* name)
(equal? version* version)))))
'(("foo" "0.9.1b")
("foo-bar" "1.0")
("foo-14-bar" "320")
("foo-bar2" #f)
("guile" "2.0.6.65-134c9") ; as produced by `git-version-gen'
("nixpkgs" "1.0pre22125_a28fe19")