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| author | Ludovic Courtès <ludo@gnu.org> | 2021-01-04 16:43:20 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2021-01-04 23:54:15 +0100 |
| commit | 6c3690fc572bf3231ae60743671b357ffd243017 (patch) | |
| tree | 567683e1c410f1b515412cedb6833e5ff7eea174 /doc | |
| parent | 475c3278df4f9dc1bc708e1092e8c93d0618711a (diff) | |
| download | guix-6c3690fc572bf3231ae60743671b357ffd243017.tar guix-6c3690fc572bf3231ae60743671b357ffd243017.tar.gz | |
guix system: Add '--graph-backend'.
* guix/scripts/system.scm (lookup-backend): New procedure.
(export-extension-graph, export-shepherd-graph): Add #:backend parameter
and honor it.
(show-help, %options): Add "--graph-backend".
(%default-options): Add 'graph-backend'.
(process-action): Pass #:backend to 'export-extension-graph' and
'export-shepherd-graph'.
* doc/guix.texi (Invoking guix system): Document '--graph-backend'.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/guix.texi | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 1081ed26a3..0f6e95a65a 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -21,7 +21,7 @@ @set SUBSTITUTE-URL https://@value{SUBSTITUTE-SERVER} @copying -Copyright @copyright{} 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès@* +Copyright @copyright{} 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès@* Copyright @copyright{} 2013, 2014, 2016 Andreas Enge@* Copyright @copyright{} 2013 Nikita Karetnikov@* Copyright @copyright{} 2014, 2015, 2016 Alex Kost@* @@ -31548,10 +31548,12 @@ each other: @table @code @item extension-graph -Emit in Dot/Graphviz format to standard output the @dfn{service +Emit to standard output the @dfn{service extension graph} of the operating system defined in @var{file} (@pxref{Service Composition}, for more information on service -extensions). +extensions). By default the output is in Dot/Graphviz format, but you +can choose a different format with @option{--graph-backend}, as with +@command{guix graph} (@pxref{Invoking guix graph, @option{--backend}}): The command: @@ -31563,11 +31565,14 @@ shows the extension relations among services. @anchor{system-shepherd-graph} @item shepherd-graph -Emit in Dot/Graphviz format to standard output the @dfn{dependency +Emit to standard output the @dfn{dependency graph} of shepherd services of the operating system defined in @var{file}. @xref{Shepherd Services}, for more information and for an example graph. +Again, the default output format is Dot/Graphviz, but you can pass +@option{--graph-backend} to select a different one. + @end table @node Invoking guix deploy |