Pmodules_modules.spec
Pmodules is a wrapper around the C implementation of Environment Modules 3.2.10 with some patches (e.g.: except %#Pmodules as shebang). This RPM is set as 'required' in the Pmodules RPM.

Pmodules_bash.spec
The Pmodules wrapper is written in Bash and uses feature only available in Bash version 5 and newer. On most current Linux distributions only Bash 4 is available. This RPM is set as 'required' in the Pmodules RPM.

Building the RPMs

Requirements (on RHEL8/9)
The RPMs rpm-build and rpmdevtools must be installed.

Setup the directories for rpmbuild (if not already done)

mkdir -p ~/rpmbuild/{BUILD,RPMS,SOURCES,SPECS,SRPMS}
echo '%_topdir %(echo $HOME)/rpmbuild' > ~/.rpmmacros

Download the required sources

cd ~/rpmbuild/SPECS
for f in Pmodules.spec Pmodules_bash.spec Pmodules_modules.spec; do
    spectool "$f"
fone

Build the RPMs

for f in Pmodules.spec Pmodules_bash.spec Pmodules_modules.spec; do
    rpmbuild -bb "$f"
fone