$ git clone -n https://src.fedoraproject.org/rpms/perl-Nmap-Parser.git /var/lib/mock/f45-build-25636-612/root/chroot_tmpdir/scmroot/perl-Nmap-Parser
Cloning into '/var/lib/mock/f45-build-25636-612/root/chroot_tmpdir/scmroot/perl-Nmap-Parser'...
$ git fetch origin 2aa45153cd6ac858d8d33c1b0f63da799a5ecfd5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Nmap-Parser
 * [new ref]         2aa45153cd6ac858d8d33c1b0f63da799a5ecfd5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2aa4515 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild