$ git clone -n https://src.fedoraproject.org/rpms/talk.git /var/lib/mock/f39-build-1576814-37948/root/chroot_tmpdir/scmroot/talk
Cloning into '/var/lib/mock/f39-build-1576814-37948/root/chroot_tmpdir/scmroot/talk'...
$ git fetch origin 6f489c56a3cd2ce7805cf6bd2a58558cb272c274:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/talk
 * [new ref]         6f489c56a3cd2ce7805cf6bd2a58558cb272c274 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f489c5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild