$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Extract-Namespaces.git /var/lib/mock/f45-build-24779-606/root/chroot_tmpdir/scmroot/perl-Module-Extract-Namespaces
Cloning into '/var/lib/mock/f45-build-24779-606/root/chroot_tmpdir/scmroot/perl-Module-Extract-Namespaces'...
$ git fetch origin 61329e3e00557e70fda93cb7a15ec5ae1378de7b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Extract-Namespaces
 * [new ref]         61329e3e00557e70fda93cb7a15ec5ae1378de7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61329e3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild