$ git clone -n https://src.fedoraproject.org/rpms/perl-HTTP-Recorder.git /var/lib/mock/f45-build-24024-601/root/chroot_tmpdir/scmroot/perl-HTTP-Recorder
Cloning into '/var/lib/mock/f45-build-24024-601/root/chroot_tmpdir/scmroot/perl-HTTP-Recorder'...
$ git fetch origin f2ec139fa49c9d0d20edc1d31948b9f17d8a0df3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTTP-Recorder
 * [new ref]         f2ec139fa49c9d0d20edc1d31948b9f17d8a0df3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2ec139 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild