$ git clone -n https://src.fedoraproject.org/rpms/perl-Web-Paste-Simple.git /var/lib/mock/f45-build-27458-624/root/chroot_tmpdir/scmroot/perl-Web-Paste-Simple
Cloning into '/var/lib/mock/f45-build-27458-624/root/chroot_tmpdir/scmroot/perl-Web-Paste-Simple'...
$ git fetch origin af5ca5ee527e0825165c1a0829f7bdaa2ceda446:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Web-Paste-Simple
 * [new ref]         af5ca5ee527e0825165c1a0829f7bdaa2ceda446 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af5ca5e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild