diff options
Diffstat (limited to 'man')
| -rw-r--r-- | man/portage.5 | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/man/portage.5 b/man/portage.5 index fc51481d1..a210e8d2d 100644 --- a/man/portage.5 +++ b/man/portage.5 @@ -1,4 +1,4 @@ -.TH "PORTAGE" "5" "Feb 2011" "Portage VERSION" "Portage" +.TH "PORTAGE" "5" "May 2011" "Portage VERSION" "Portage" .SH NAME portage \- the heart of Gentoo .SH "DESCRIPTION" @@ -674,8 +674,22 @@ In this directory additional package\-specific bashrc files can be created. Note that if package\-specific environment variable settings are all that's needed, then \fB/etc/portage/package.env\fR should be used instead of the bashrc approach that is described here. -Portage will source all of them after \fB/etc/portage/bashrc\fR in the following -order: + +set_unless_changed and unset_unless_changed functions can be used to set or +unset given variables only if these variable have not been set to values +different than values set in make.conf. This functionality can be useful for +temporary overriding of these variables during emerge invocation. Variables +set in the usual VARIABLE=VALUE style will unconditionally override variables +set during emerge invocation. + +.I Syntax: +.nf +set_unless_changed VARIABLE VALUE +unset_unless_changed VALUE +.fi + +Portage will source all of these bashrc files after \fB/etc/portage/bashrc\fR +in the following order: .nr step 1 1 .IP \n[step]. 3 /etc/portage/env/${CATEGORY}/${PN} |