Relax the requirements between osbuild-composer-tests and osbuild-composer

this is only useful for our RHEL nightly pipeline testing b/c we intend
to be building the -tests RPM from the main branch.

osbuild-composer.spec

@@ -2,6 +2,11 @@
 # Pass --with tests to rpmbuild to override
 %bcond_with tests
 
+# When --with relax_requires is specified osbuild-composer-tests
+# will require osbuild-composer only by name, excluding version/release
+# This is used internally during nightly pipeline testing!
+%bcond_with relax_requires
+
 %global goipath         github.com/osbuild/osbuild-composer
 
 Version:        44
@@ -371,7 +376,11 @@ The dnf-json binary used by osbuild-composer and the workers.
 
 %package tests
 Summary:    Integration tests
+%if %{with relax_requires}
+Requires:   %{name}
+%else
 Requires:   %{name} = %{version}-%{release}
+%endif
 Requires:   composer-cli
 Requires:   createrepo_c
 Requires:   xorriso

schutzbot/mockbuild.sh

@@ -99,10 +99,15 @@ sudo mock -r "$MOCK_CONFIG" --buildsrpm \
   --sources "./osbuild-composer-${COMMIT}.tar.gz" \
   --resultdir ./srpm
 
+if [ "${NIGHTLY:=false}" == "true" ]; then
+    RELAX_REQUIRES="--with=relax_requires"
+fi
+
 greenprint "🎁 Building RPMs"
 sudo mock -r "$MOCK_CONFIG" \
     --define "commit ${COMMIT}" \
     --with=tests \
+    ${RELAX_REQUIRES:+"$RELAX_REQUIRES"} \
     --resultdir "$REPO_DIR" \
     srpm/*.src.rpm
 
@@ -112,6 +117,12 @@ sudo chown -R "$USER" "${REPO_DIR%%/*}"
 greenprint "🧹 Remove logs from mock build"
 rm "${REPO_DIR}"/*.log
 
+# leave only -tests RPM to minimize interference when installing
+# osbuild-composer.rpm from distro repositories
+if [ "${NIGHTLY:=false}" == "true" ]; then
+    find "${REPO_DIR}" -type f -not -name "osbuild-composer-tests*.rpm" -exec rm -f "{}" \;
+fi
+
 # Create a repo of the built RPMs.
 greenprint "⛓️ Creating dnf repository"
 createrepo_c "${REPO_DIR}"