$ git clone -n https://src.fedoraproject.org/rpms/perl-DynaLoader-Functions.git /var/lib/mock/f45-build-23249-596/root/chroot_tmpdir/scmroot/perl-DynaLoader-Functions
Cloning into '/var/lib/mock/f45-build-23249-596/root/chroot_tmpdir/scmroot/perl-DynaLoader-Functions'...
$ git fetch origin 52cfec8a388d047d4aeea40988f90d2312400f7b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DynaLoader-Functions
 * [new ref]         52cfec8a388d047d4aeea40988f90d2312400f7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 52cfec8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild