git-download: Add some helpers.

* guix/git-download.scm (git-version, git-file-name): New variables.
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David Craven 2017-01-02 17:49:07 +01:00
parent 9b4ec5730a
commit ee17a9e06e
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1 changed files with 11 additions and 1 deletions

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@ -30,7 +30,9 @@
git-reference-commit
git-reference-recursive?
git-fetch))
git-fetch
git-version
git-file-name))
;;; Commentary:
;;;
@ -110,4 +112,12 @@ HASH-ALGO (a symbol). Use NAME as the file name, or a generic name if #f."
#:guile-for-build guile
#:local-build? #t)))
(define (git-version version revision commit)
"Return the version string for packages using git-download."
(string-append version "-" revision "." (string-take commit 7)))
(define (git-file-name name version)
"Return the file-name for packages using git-download."
(string-append name "-" version "-checkout"))
;;; git-download.scm ends here