$ git clone -n https://src.fedoraproject.org/rpms/rust-vsprintf.git /var/lib/mock/f40-build-2064311-49167/root/chroot_tmpdir/scmroot/rust-vsprintf
Cloning into '/var/lib/mock/f40-build-2064311-49167/root/chroot_tmpdir/scmroot/rust-vsprintf'...
$ git fetch origin 35f7b5bcb68057adf18d12df711e5cadf63a1287:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-vsprintf
 * [new ref]         35f7b5bcb68057adf18d12df711e5cadf63a1287 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 35f7b5b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild