$ git clone -n https://src.fedoraproject.org/rpms/perl-Devel-Declare-Parser.git /var/lib/mock/f45-build-23077-595/root/chroot_tmpdir/scmroot/perl-Devel-Declare-Parser
Cloning into '/var/lib/mock/f45-build-23077-595/root/chroot_tmpdir/scmroot/perl-Devel-Declare-Parser'...
$ git fetch origin b60d0be7e64d7e60408e31345f9a1123cdb66c96:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Devel-Declare-Parser
 * [new ref]         b60d0be7e64d7e60408e31345f9a1123cdb66c96 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b60d0be Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild