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11/15: home: import: Factorize triplicated 'version-spec' procedure.
From: |
guix-commits |
Subject: |
11/15: home: import: Factorize triplicated 'version-spec' procedure. |
Date: |
Sat, 30 Oct 2021 18:52:36 -0400 (EDT) |
civodul pushed a commit to branch master
in repository guix.
commit 96728c54df365cc48f14a514b63616ff7a6d052b
Author: Ludovic Courtès <ludo@gnu.org>
AuthorDate: Sat Oct 30 23:30:50 2021 +0200
home: import: Factorize triplicated 'version-spec' procedure.
* guix/scripts/package.scm (manifest-entry-version-prefix): New
procedure, moved from...
(export-manifest)[version-spec]: ... here. Adjust caller.
* tests/home-import.scm (version-spec): Remove.
(eval-test-with-home-environment): Use 'manifest-entry-version-prefix'
instead.
* guix/scripts/home/import.scm (import-manifest): Likewise.
---
guix/scripts/home/import.scm | 23 ++--------------------
guix/scripts/package.scm | 47 ++++++++++++++++++++++++--------------------
tests/home-import.scm | 26 ++++--------------------
3 files changed, 32 insertions(+), 64 deletions(-)
diff --git a/guix/scripts/home/import.scm b/guix/scripts/home/import.scm
index a51f7f5..8f6b3b5 100644
--- a/guix/scripts/home/import.scm
+++ b/guix/scripts/home/import.scm
@@ -22,6 +22,7 @@
#:use-module (guix ui)
#:use-module (guix utils)
#:use-module (guix packages)
+ #:autoload (guix scripts package) (manifest-entry-version-prefix)
#:use-module (gnu packages)
#:use-module (ice-9 match)
#:use-module (ice-9 pretty-print)
@@ -241,28 +242,8 @@ containing PACKAGES, or SPECS (package specifications),
and SERVICES."
manifest destination-directory
#:optional (port (current-output-port)))
"Write to PORT a <home-environment> corresponding to MANIFEST."
- (define (version-spec entry)
- (let ((name (manifest-entry-name entry)))
- (match (map package-version (find-packages-by-name name))
- ((_)
- ;; A single version of NAME is available, so do not specify the
- ;; version number, even if the available version doesn't match ENTRY.
- "")
- (versions
- ;; If ENTRY uses the latest version, don't specify any version.
- ;; Otherwise return the shortest unique version prefix. Note that
- ;; this is based on the currently available packages, which could
- ;; differ from the packages available in the revision that was used
- ;; to build MANIFEST.
- (let ((current (manifest-entry-version entry)))
- (if (every (cut version>? current <>)
- (delete current versions))
- ""
- (version-unique-prefix (manifest-entry-version entry)
- versions)))))))
-
(match (manifest->code manifest destination-directory
- #:entry-package-version version-spec
+ #:entry-package-version manifest-entry-version-prefix
#:home-environment? #t)
(('begin exp ...)
(format port (G_ "\
diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm
index a34ecdc..4b9c5f2 100644
--- a/guix/scripts/package.scm
+++ b/guix/scripts/package.scm
@@ -68,6 +68,7 @@
guix-package
search-path-environment-variables
+ manifest-entry-version-prefix
transaction-upgrade-entry ;mostly for testing
@@ -327,31 +328,35 @@ Alternately, see @command{guix package --search-paths -p
~s}.")
;;; Export a manifest.
;;;
+(define (manifest-entry-version-prefix entry)
+ "Search among all the versions of ENTRY's package that are available, and
+return the shortest unambiguous version prefix for this package. If only one
+version of ENTRY's package is available, return the empty string."
+ (let ((name (manifest-entry-name entry)))
+ (match (map package-version (find-packages-by-name name))
+ ((_)
+ ;; A single version of NAME is available, so do not specify the
+ ;; version number, even if the available version doesn't match ENTRY.
+ "")
+ (versions
+ ;; If ENTRY uses the latest version, don't specify any version.
+ ;; Otherwise return the shortest unique version prefix. Note that
+ ;; this is based on the currently available packages, which could
+ ;; differ from the packages available in the revision that was used
+ ;; to build MANIFEST.
+ (let ((current (manifest-entry-version entry)))
+ (if (every (cut version>? current <>)
+ (delete current versions))
+ ""
+ (version-unique-prefix (manifest-entry-version entry)
+ versions)))))))
+
(define* (export-manifest manifest
#:optional (port (current-output-port)))
"Write to PORT a manifest corresponding to MANIFEST."
- (define (version-spec entry)
- (let ((name (manifest-entry-name entry)))
- (match (map package-version (find-packages-by-name name))
- ((_)
- ;; A single version of NAME is available, so do not specify the
- ;; version number, even if the available version doesn't match ENTRY.
- "")
- (versions
- ;; If ENTRY uses the latest version, don't specify any version.
- ;; Otherwise return the shortest unique version prefix. Note that
- ;; this is based on the currently available packages, which could
- ;; differ from the packages available in the revision that was used
- ;; to build MANIFEST.
- (let ((current (manifest-entry-version entry)))
- (if (every (cut version>? current <>)
- (delete current versions))
- ""
- (version-unique-prefix (manifest-entry-version entry)
- versions)))))))
-
(match (manifest->code manifest
- #:entry-package-version version-spec)
+ #:entry-package-version
+ manifest-entry-version-prefix)
(('begin exp ...)
(format port (G_ "\
;; This \"manifest\" file can be passed to 'guix package -m' to reproduce
diff --git a/tests/home-import.scm b/tests/home-import.scm
index 40d9547..dc413d8 100644
--- a/tests/home-import.scm
+++ b/tests/home-import.scm
@@ -24,6 +24,8 @@
#:use-module (ice-9 match)
#:use-module ((guix profiles) #:hide (manifest->code))
#:use-module ((guix build syscalls) #:select (mkdtemp!))
+ #:use-module ((guix scripts package)
+ #:select (manifest-entry-version-prefix))
#:use-module (gnu packages)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
@@ -81,33 +83,13 @@ corresponding file."
((file . content) (create-file file content)))
files-alist))
-;; Copied from (guix profiles)
-(define (version-spec entry)
- (let ((name (manifest-entry-name entry)))
- (match (map package-version (find-packages-by-name name))
- ((_)
- ;; A single version of NAME is available, so do not specify the
- ;; version number, even if the available version doesn't match ENTRY.
- "")
- (versions
- ;; If ENTRY uses the latest version, don't specify any version.
- ;; Otherwise return the shortest unique version prefix. Note that
- ;; this is based on the currently available packages, which could
- ;; differ from the packages available in the revision that was used
- ;; to build MANIFEST.
- (let ((current (manifest-entry-version entry)))
- (if (every (cut version>? current <>)
- (delete current versions))
- ""
- (version-unique-prefix (manifest-entry-version entry)
- versions)))))))
-
(define (eval-test-with-home-environment files-alist manifest matcher)
(create-temporary-home files-alist)
(setenv "HOME" %temporary-home-directory)
(mkdir-p %temporary-home-directory)
(let* ((home-environment (manifest->code manifest %destination-directory
- #:entry-package-version version-spec
+ #:entry-package-version
+ manifest-entry-version-prefix
#:home-environment? #t))
(result (matcher home-environment)))
(delete-file-recursively %temporary-home-directory)
- 13/15: doc: Mention "guix home import" upfront., (continued)
- 13/15: doc: Mention "guix home import" upfront., guix-commits, 2021/10/30
- 12/15: home: import: Avoid duplication of 'manifest->code'., guix-commits, 2021/10/30
- 14/15: doc: Avoid misuse of @ref., guix-commits, 2021/10/30
- 08/15: guix home: import: Call ‘local-file’ with ‘name’, guix-commits, 2021/10/30
- 05/15: guix home: import: Delete duplicate modules when importing., guix-commits, 2021/10/30
- 01/15: guix home: import: Make the user to specify a destination directory., guix-commits, 2021/10/30
- 03/15: guix home: import: Fix module name for Bash service., guix-commits, 2021/10/30
- 09/15: home: import: Compare procedures with 'eq?'., guix-commits, 2021/10/30
- 06/15: doc: Document the ‘guix home import’ subcommand., guix-commits, 2021/10/30
- 07/15: Add tests for ‘guix home import’., guix-commits, 2021/10/30
- 11/15: home: import: Factorize triplicated 'version-spec' procedure.,
guix-commits <=
- 02/15: guix home: import: Allow multiple modules to be imported for each service., guix-commits, 2021/10/30
- 15/15: doc: Mention 'guix home reconfigure' upfront., guix-commits, 2021/10/30