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| author | Efraim Flashner <efraim@flashner.co.il> | 2023-09-28 12:31:44 +0300 |
|---|---|---|
| committer | Efraim Flashner <efraim@flashner.co.il> | 2023-10-13 11:48:43 +0300 |
| commit | 4ec6fd7817ec4073547fd71309374a293d7c436c (patch) | |
| tree | 89c0c80a9b4c40a392c51f27e07493a8d1fd88a9 /doc | |
| parent | 08a1126428afe69655d67847c15353a2ffc6b2a7 (diff) | |
| download | guix-4ec6fd7817ec4073547fd71309374a293d7c436c.tar guix-4ec6fd7817ec4073547fd71309374a293d7c436c.tar.gz | |
doc: Document specification->package+output.
Reported by nutcase on IRC.
* doc/guix.texi (Using the Configuration System): Add a section about
using specification->package+output.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/guix.texi | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 9be321661b..083504dcb8 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -16944,6 +16944,23 @@ version: %base-packages))) @end lisp +@findex specification->package+output +When a package has more than one output it can be a challenge to refer to a +specific output instead of just to the standard @code{out} output. For these +situations one can use the @code{specification->package+output} procedure from +the @code{(gnu packages)} module. For example: + +@lisp +(use-modules (gnu packages)) + +(operating-system + ;; ... + (packages (append (map specification->package+output + '("nss-certs" "git" "git:send-email")) + %base-packages))) + +@end lisp + @unnumberedsubsec System Services @cindex services |