$ git clone -n https://src.fedoraproject.org/rpms/rcs.git /var/lib/mock/f40-build-2032011-47660/root/chroot_tmpdir/scmroot/rcs
Cloning into '/var/lib/mock/f40-build-2032011-47660/root/chroot_tmpdir/scmroot/rcs'...
$ git fetch origin 47c33087c80d607839222acbc353e1a22c283510:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rcs
 * [new ref]         47c33087c80d607839222acbc353e1a22c283510 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 47c3308 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild