On 10/29/2015 01:56 AM, Shyam S wrote: > Hello All, > > I'm a bit of newbie with rpm/yum, seeking the help from rpm/yum experts. > > Suppose I have an RPM package A which depends on package B. > RPM A's spec has 'Requires:B' tag with 'autoprov' and 'autoreq' enabled. > > When I install RPM A on a 'centos 6.5' machine with 'RPM version 4.8.0', > using the command `yum install A` : > > * `rpm` installs A first, then it installs B. > * The installation of B could partially fail. That is, A would installed > even if the installation of the dependency, B has failed. > > Is this the expected behaviour? (Shouldn't B be installed before A?) AFAIK yum performs installs and updates as atomic operations, ie in your case if installing B fails yum will also roll back the install of A. Doesn't it? > Can the same behaviour be expected across versions (such as el5)? > > I was hoping that the dependencies would be installed before the main > package is installed. Which would prevent the installation of the main > package, If one of the dependencies failed to install. > > I have tried `PreReq` tag as well, which has same behaviour as far as I can > tell. > > Is there any other means to accomplish my requirement?