问题
I have a rpm.spec file in which i have to give file permissions for a file.
I want %attr to take $user and $group values during the rpm installation.(where i will be doing "export user=" and "export group=") but it does not take these values,instead gives a syntax error while installing the rpm.
I have something like this in my specfile
%pre
%files
%defattr(-,root,root,-)
<some_path>
%config /etc/akshatha
%doc /usr/share/doc/akshatha
%attr(0700,$user,$group) %dir directory_path
%attr(0700,$user,$group) %dir directory_path
%attr(0600,$user,$group) path_to_file
this gives me an error, while installing the rpm as -
warning: user $user does not exist - using root
warning: group $group does not exist - using root
I have even tried giving %attr(0700,%{getenv:user},%{getenv:group}) but this fails while preparing the rpm itself saying
RPM build errors:
Bad syntax: %attr(0700)
make: *** [all] Error 1
回答1:
This is not possible. %attr is fixed at build time; you specifically asked for "during the rpm installation" which won't work.
In your %post you can chown but then that will break your verification.
回答2:
EDIT: As @AaronD.Marasco said: this is not possible during rpm installation. If you want to define it during build; then you can proceed like this:
you can define macros on the command line when invoking rpmbuild:
in the spec file:
%attr(0700,%{file_user},%{file_group}) /path/to/file
invoke rpmbuild like this:
rpmbuild --define='file_user some_user' --define='file_group some_group'
回答3:
As others pointed out, it is not possible this way. Considering what you are trying to achieve, I would do it this way:
%pre
getent group GROUPNAME >/dev/null || groupadd -r GROUPNAME
%files
%config /etc/akshatha
%doc /usr/share/doc/akshatha
%attr(0770,root, GROUPNAME) %dir directory_path
...
and then I would instruct admin to put the user into group GROUPNAME.
来源：https://stackoverflow.com/questions/56233258/attr-in-rpm-spec-does-not-take-env-variables-value