$ git clone -n https://src.fedoraproject.org/rpms/perl-Crypt-PasswdMD5.git /var/lib/mock/f45-build-22634-593/root/chroot_tmpdir/scmroot/perl-Crypt-PasswdMD5
Cloning into '/var/lib/mock/f45-build-22634-593/root/chroot_tmpdir/scmroot/perl-Crypt-PasswdMD5'...
$ git fetch origin fd288183e655c72f6d74182a0e03fe910195e8c7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Crypt-PasswdMD5
 * [new ref]         fd288183e655c72f6d74182a0e03fe910195e8c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd28818 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild