$ git clone -n https://src.fedoraproject.org/rpms/perl-HTTP-Headers-ActionPack.git /var/lib/mock/f45-build-24015-601/root/chroot_tmpdir/scmroot/perl-HTTP-Headers-ActionPack
Cloning into '/var/lib/mock/f45-build-24015-601/root/chroot_tmpdir/scmroot/perl-HTTP-Headers-ActionPack'...
$ git fetch origin 6eec3a772282f6136823d8af3c77a79c1a963743:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTTP-Headers-ActionPack
 * [new ref]         6eec3a772282f6136823d8af3c77a79c1a963743 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6eec3a7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild