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author | Ludovic Courtès <ludo@gnu.org> | 2013-04-24 23:48:36 +0200 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2013-04-25 00:13:56 +0200 |
commit | 0fdd3bea58a872f2734c7d8747d7dbdd108d97d8 (patch) | |
tree | 368a1a86567c24d201c312efa2198b9d9246b9aa /guix/utils.scm | |
parent | f903dc056a5176033daca7a69d5b2c8376ff0677 (diff) | |
download | gnu-guix-0fdd3bea58a872f2734c7d8747d7dbdd108d97d8.tar gnu-guix-0fdd3bea58a872f2734c7d8747d7dbdd108d97d8.tar.gz |
Add `guix refresh' and related auto-update tools.
* guix/gnu-maintenance.scm (ftp-server/directory)[quirks]: Add glib.
(package-update-path, download-tarball, package-update,
update-package-source): New procedures.
* guix/gnupg.scm, guix/scripts/refresh.scm: New files.
* Makefile.am (MODULES): Add them.
* guix/utils.scm (file-extension): New procedure.
Diffstat (limited to 'guix/utils.scm')
-rw-r--r-- | guix/utils.scm | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/guix/utils.scm b/guix/utils.scm index 4f399b95c3..3cbed2fd0f 100644 --- a/guix/utils.scm +++ b/guix/utils.scm @@ -60,6 +60,7 @@ version-compare version>? package-name->name+version + file-extension call-with-temporary-output-file fold2)) @@ -465,6 +466,11 @@ introduce the version part." ((head tail ...) (loop tail (cons head prefix)))))) +(define (file-extension file) + "Return the extension of FILE or #f if there is none." + (let ((dot (string-rindex file #\.))) + (and dot (substring file (+ 1 dot) (string-length file))))) + (define (call-with-temporary-output-file proc) "Call PROC with a name of a temporary file and open output port to that file; close the file and delete it when leaving the dynamic extent of this |