c9s: prefix dnf repo IDs with c9s-

Since we have multiple repos at play here, a naked `baseos` repo name
is ambiguous. Let's add a `c9s-` prefix to make it consistent with the
RHEL ones, e.g. `rhel-9.4-baseos`.

c9s.repo

@@ -1,4 +1,4 @@
-[baseos]
+[c9s-baseos]
 name=CentOS Stream 9 - BaseOS
 baseurl=http://mirror.stream.centos.org/9-stream/BaseOS/$basearch/os
 # Revert back to this once rhel-9.4 has been weaned off c9s
@@ -8,7 +8,7 @@ repo_gpgcheck=0
 enabled=1
 gpgkey=file:///usr/share/distribution-gpg-keys/centos/RPM-GPG-KEY-CentOS-Official
 
-[appstream]
+[c9s-appstream]
 name=CentOS Stream 9 - AppStream
 baseurl=http://mirror.stream.centos.org/9-stream/AppStream/$basearch/os
 # Revert back to this once rhel-9.4 has been weaned off c9s
@@ -18,15 +18,15 @@ repo_gpgcheck=0
 enabled=1
 gpgkey=file:///usr/share/distribution-gpg-keys/centos/RPM-GPG-KEY-CentOS-Official
 
-[extras-common]
+[c9s-extras-common]
 name=CentOS Stream 9 - Extras packages
 baseurl=https://mirror.stream.centos.org/SIGs/9-stream/extras/$basearch/extras-common
 gpgcheck=1
 repo_gpgcheck=0
 enabled=1
 gpgkey=file:///usr/share/distribution-gpg-keys/centos/RPM-GPG-KEY-CentOS-SIG-Extras-SHA512
 
-[nfv]
+[c9s-nfv]
 name=CentOS Stream 9 - NFV
 baseurl=http://mirror.stream.centos.org/9-stream/NFV/$basearch/os
 # Revert back to this once rhel-9.4 has been weaned off c9s
@@ -36,7 +36,7 @@ repo_gpgcheck=0
 enabled=1
 gpgkey=file:///usr/share/distribution-gpg-keys/centos/RPM-GPG-KEY-CentOS-Official
 
-[rt]
+[c9s-rt]
 name=CentOS Stream 9 - RT
 baseurl=http://mirror.stream.centos.org/9-stream/RT/$basearch/os
 # Revert back to this once rhel-9.4 has been weaned off c9s
@@ -46,23 +46,23 @@ repo_gpgcheck=0
 enabled=1
 gpgkey=file:///usr/share/distribution-gpg-keys/centos/RPM-GPG-KEY-CentOS-Official
 
-[sig-nfv]
+[c9s-sig-nfv]
 name=CentOS Stream 9 - SIG NFV
 baseurl=https://mirror.stream.centos.org/SIGs/9-stream/nfv/$basearch/openvswitch-2/
 gpgcheck=1
 repo_gpgcheck=0
 enabled=1
 gpgkey=file:///usr/share/distribution-gpg-keys/centos/RPM-GPG-KEY-CentOS-SIG-NFV
 
-[sig-virtualization]
+[c9s-sig-virtualization]
 name=CentOS Stream 9 - SIG Virtualization
 baseurl=https://mirror.stream.centos.org/SIGs/9-stream/virt/$basearch/kata-containers/
 gpgcheck=1
 repo_gpgcheck=0
 enabled=1
 gpgkey=file:///usr/share/distribution-gpg-keys/centos/RPM-GPG-KEY-CentOS-SIG-Virtualization
 
-[sig-cloud-okd]
+[c9s-sig-cloud-okd]
 name=CentOS Stream 9 - SIG Cloud OKD 4.15
 baseurl=https://mirror.stream.centos.org/SIGs/9-stream/cloud/$basearch/okd-4.15/
 gpgcheck=1

extensions-c9s.yaml

@@ -3,7 +3,7 @@
 # and https://github.com/coreos/fedora-coreos-tracker/issues/401
 
 repos:
-  - sig-virtualization
+  - c9s-sig-virtualization
 
 extensions:
   # https://issues.redhat.com/browse/RFE-4177
@@ -55,7 +55,7 @@ extensions:
     architectures:
       - x86_64
     repos:
-      - nfv
+      - c9s-nfv
     packages:
       - kernel-rt-core
       - kernel-rt-kvm
@@ -71,7 +71,7 @@ extensions:
     architectures:
       - x86_64
     repos:
-      - sig-virtualization
+      - c9s-sig-virtualization
     packages:
       - kata-containers
   # https://issues.redhat.com/browse/COS-2402

manifest-c9s.yaml

@@ -18,14 +18,14 @@ include:
 
 # CentOS Stream 9 repos + internal repos for now
 repos:
-  - baseos
-  - appstream
+  - c9s-baseos
+  - c9s-appstream
   # CentOS Extras Common repo for SIG RPM GPG keys
-  - extras-common
+  - c9s-extras-common
   # CentOS NFV SIG repo for openvswitch
-  - sig-nfv
+  - c9s-sig-nfv
   # CentOS Cloud SIG repo for cri-o, cri-tools and conmon-rs
-  - sig-cloud-okd
+  - c9s-sig-cloud-okd
   # Include RHCOS 9 repo for oc, hyperkube
   - rhel-9.4-server-ose-4.16
 
@@ -127,10 +127,10 @@ packages:
 # Packages pinned to specific repos in SCOS 9
 repo-packages:
   # We always want the kernel from BaseOS
-  - repo: baseos
+  - repo: c9s-baseos
     packages:
       - kernel
-  - repo: appstream
+  - repo: c9s-appstream
     packages:
       # We want the one shipping in C9S, not the equivalently versioned one in RHAOS
       - nss-altfiles