$ git clone -n https://src.fedoraproject.org/rpms/perl-Catalyst-Plugin-CGI-Untaint.git /var/lib/mock/f45-build-22164-590/root/chroot_tmpdir/scmroot/perl-Catalyst-Plugin-CGI-Untaint
Cloning into '/var/lib/mock/f45-build-22164-590/root/chroot_tmpdir/scmroot/perl-Catalyst-Plugin-CGI-Untaint'...
$ git fetch origin 5593b1fec8dc3a45d4a347d6e07572d53fc6a253:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Catalyst-Plugin-CGI-Untaint
 * [new ref]         5593b1fec8dc3a45d4a347d6e07572d53fc6a253 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5593b1f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild