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doc: Update the example VCS snapshot package definition. 

In commit ee17a9e06e, the helpers git-version
and git-file-name removed the need to build version and file name strings
manually for packages that use VCS snapshots.

doc/guix.texi (Version Numbers): Use git-version and git-file-name.
master
Kei Kebreau 2017-11-28 18:28:48 -05:00
parent 34a28c13f5
commit 9ce07f2dba
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1 changed files with 2 additions and 4 deletions
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@ -19898,16 +19898,14 @@ definition may look like this:
(let ((commit "c3f29bc928d5900971f65965feaae59e1272a3f7") (let ((commit "c3f29bc928d5900971f65965feaae59e1272a3f7")
(revision "1")) ;Guix package revision (revision "1")) ;Guix package revision
(package (package
(version (string-append "0.9-" revision "." (version (git-version "0.9" revision commit))
(string-take commit 7)))
(source (origin (source (origin
(method git-fetch) (method git-fetch)
(uri (git-reference (uri (git-reference
(url "git://example.org/my-package.git") (url "git://example.org/my-package.git")
(commit commit))) (commit commit)))
(sha256 (base32 "1mbikn@dots{}")) (sha256 (base32 "1mbikn@dots{}"))
(file-name (string-append "my-package-" version (file-name (git-file-name name version))))
"-checkout"))))
;; @dots{} ;; @dots{}
))) )))
@end example @end example