$ git clone -n https://src.fedoraproject.org/rpms/blobwars.git /var/lib/mock/f42-build-882049-184132/root/chroot_tmpdir/scmroot/blobwars
Cloning into '/var/lib/mock/f42-build-882049-184132/root/chroot_tmpdir/scmroot/blobwars'...
$ git fetch origin 92ca421e1b10972aab9b2167f0d3604c0099465f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/blobwars
 * [new ref]         92ca421e1b10972aab9b2167f0d3604c0099465f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 92ca421 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild