$ git clone -n https://src.fedoraproject.org/rpms/perl-Devel-Caller-IgnoreNamespaces.git /var/lib/mock/f45-build-23073-595/root/chroot_tmpdir/scmroot/perl-Devel-Caller-IgnoreNamespaces
Cloning into '/var/lib/mock/f45-build-23073-595/root/chroot_tmpdir/scmroot/perl-Devel-Caller-IgnoreNamespaces'...
$ git fetch origin c02b499955bbb132b3ad47342a922c7b6f78cb17:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Devel-Caller-IgnoreNamespaces
 * [new ref]         c02b499955bbb132b3ad47342a922c7b6f78cb17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c02b499 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild