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authorLudovic Courtès <ludo@gnu.org>2013-11-12 01:06:25 +0100
committerLudovic Courtès <ludo@gnu.org>2013-11-12 01:06:45 +0100
commitbf4211523baf8ab1c853aac48ef0324f8f704510 (patch)
treec31db97ccececd3f3ac48396fa65227359723598 /doc/guix.texi
parenteddd4077a5292052d95443078ee4db9f34f2f0e2 (diff)
downloadguix-bf4211523baf8ab1c853aac48ef0324f8f704510.tar
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guix build: Add '--log-file'.
* guix/scripts/build.scm (show-help): Add '--log-file'. (%options): Likewise. (guix-build): Set %FILE-PORT-NAME-CANONICALIZATION. Honor '--log-file'. * tests/guix-build.sh: Add '--log-file' tests. * doc/guix.texi (Invoking guix build): Document '--log-file'.
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diff --git a/doc/guix.texi b/doc/guix.texi
index 4fb14063d0..d0dc523a01 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -1546,6 +1546,22 @@ Use the given verbosity level. @var{level} must be an integer between 0
and 5; higher means more verbose output. Setting a level of 4 or more
may be helpful when debugging setup issues with the build daemon.
+@item --log-file
+Return the build log file names for the given
+@var{package-or-derivation}s, or raise an error if build logs are
+missing.
+
+This works regardless of how packages or derivations are specified. For
+instance, the following invocations are equivalent:
+
+@example
+guix build --log-file `guix build -d guile`
+guix build --log-file `guix build guile`
+guix build --log-file guile
+guix build --log-file -e '(@@ (gnu packages guile) guile-2.0)'
+@end example
+
+
@end table
Behind the scenes, @command{guix build} is essentially an interface to