$ git clone -n https://src.fedoraproject.org/rpms/perl-ExtUtils-Typemaps-Default.git /var/lib/mock/f45-build-23445-597/root/chroot_tmpdir/scmroot/perl-ExtUtils-Typemaps-Default
Cloning into '/var/lib/mock/f45-build-23445-597/root/chroot_tmpdir/scmroot/perl-ExtUtils-Typemaps-Default'...
$ git fetch origin 00a34e5373d326cffa21ac2a3311664c22cb25a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-ExtUtils-Typemaps-Default
 * [new ref]         00a34e5373d326cffa21ac2a3311664c22cb25a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00a34e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild