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author | Ludovic Courtès <ludo@gnu.org> | 2015-09-02 15:23:52 +0200 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2015-09-02 23:40:07 +0200 |
commit | 4c8f997a7d6f4c9d7eae73804e9784b4562eb213 (patch) | |
tree | 57218881248955596a4092d4216bec1a7f43b130 /doc | |
parent | 4650a77ea8b3ada17f94a4a3b2004f172d0a1498 (diff) | |
download | guix-4c8f997a7d6f4c9d7eae73804e9784b4562eb213.tar guix-4c8f997a7d6f4c9d7eae73804e9784b4562eb213.tar.gz |
graph: Add '--expression'.
* guix/scripts/graph.scm (%options, show-help): Add '--expression'.
(guix-graph): Call 'read/eval-package-expression' for 'expression'
pairs in OPTS.
* tests/guix-graph.sh: Add tests.
* doc/guix.texi (Invoking guix graph): Document it.
Diffstat (limited to 'doc')
-rw-r--r-- | doc/guix.texi | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 6defb0bda7..f943540ac8 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -4417,6 +4417,16 @@ the values listed above. @item --list-types List the supported graph types. + +@item --expression=@var{expr} +@itemx -e @var{expr} +Consider the package @var{expr} evaluates to. + +This is useful to precisely refer to a package, as in this example: + +@example +guix graph -e '(@@@@ (gnu packages commencement) gnu-make-final)' +@end example @end table |