$ git clone -n https://src.fedoraproject.org/rpms/perl-PPIx-Utilities.git /var/lib/mock/f45-build-25622-612/root/chroot_tmpdir/scmroot/perl-PPIx-Utilities
Cloning into '/var/lib/mock/f45-build-25622-612/root/chroot_tmpdir/scmroot/perl-PPIx-Utilities'...
$ git fetch origin 0b04bbb2326cb20b25a630c942c0c968f27ec2e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-PPIx-Utilities
 * [new ref]         0b04bbb2326cb20b25a630c942c0c968f27ec2e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b04bbb Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild