diff options
author | Ludovic Courtès <ludo@gnu.org> | 2019-08-23 18:16:13 +0200 |
---|---|---|
committer | Ludovic Courtès <ludo@gnu.org> | 2019-08-23 18:41:49 +0200 |
commit | 90c98b5a89038c41a0db0add9e2a3d4d1a1b6102 (patch) | |
tree | a770ac6a45d000089267b81be6c6e1ceb8280624 | |
parent | b908fcd8c02c26b1e6cdc636b63306a01a21b994 (diff) |
swh: 'swh-download' checks return value of 'vault-fetch'.
Reported by Björn Höfling <bjoern.hoefling@bjoernhoefling.de>
in <https://bugs.gnu.org/36931>.
* guix/swh.scm (swh-download): Check whether 'vault-fetch' return false
before calling 'dump-port'.
-rw-r--r-- | guix/swh.scm | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/guix/swh.scm b/guix/swh.scm index df2a138f04..1c416c8dd5 100644 --- a/guix/swh.scm +++ b/guix/swh.scm @@ -547,19 +547,22 @@ wait until it becomes available, which could take several minutes." ((? revision? revision) (call-with-temporary-directory (lambda (directory) - (let ((input (vault-fetch (revision-directory revision) 'directory)) - (tar (open-pipe* OPEN_WRITE "tar" "-C" directory "-xzvf" "-"))) - (dump-port input tar) - (close-port input) - (let ((status (close-pipe tar))) - (unless (zero? status) - (error "tar extraction failure" status))) - - (match (scandir directory) - (("." ".." sub-directory) - (copy-recursively (string-append directory "/" sub-directory) - output - #:log (%make-void-port "w")) - #t)))))) + (match (vault-fetch (revision-directory revision) 'directory) + (#f + #f) + ((? port? input) + (let ((tar (open-pipe* OPEN_WRITE "tar" "-C" directory "-xzvf" "-"))) + (dump-port input tar) + (close-port input) + (let ((status (close-pipe tar))) + (unless (zero? status) + (error "tar extraction failure" status))) + + (match (scandir directory) + (("." ".." sub-directory) + (copy-recursively (string-append directory "/" sub-directory) + output + #:log (%make-void-port "w")) + #t)))))))) (#f #f))) |