Anand Buddhdev wrote: > Hi CentOS folk, > > In an RPM post-install script, is it possible to know the previous > version number, and the new version number of a package if it's an update? > > I need to know this, because for a certain package, if updating from > version 1.x to 2.x, I need to run a program to convert the config file > of the package from version 1.x format to version 2.x format. > > I've looked at SPEC file documentation, but haven't found anything > relevant. triggers can support that, you can implement a trigger scriplet to run only if upgrading from < 2.x, using something like: %triggerun foo < 2.x convert_config... See also: http://rpm.org/api/4.4.2.2/triggers.html -- Rex