$ git clone -n https://src.fedoraproject.org/rpms/mingw-libssh2.git /var/lib/mock/f45-build-18578-522/root/chroot_tmpdir/scmroot/mingw-libssh2
Cloning into '/var/lib/mock/f45-build-18578-522/root/chroot_tmpdir/scmroot/mingw-libssh2'...
$ git fetch origin a3e4adf56b97a03b350d2f259058ca1c56a7ce6c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-libssh2
 * [new ref]         a3e4adf56b97a03b350d2f259058ca1c56a7ce6c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3e4adf Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild