$ git clone -n https://src.fedoraproject.org/rpms/perl-PatchReader.git /var/lib/mock/f40-build-2019958-46578/root/chroot_tmpdir/scmroot/perl-PatchReader
Cloning into '/var/lib/mock/f40-build-2019958-46578/root/chroot_tmpdir/scmroot/perl-PatchReader'...
$ git fetch origin d284112f179e4dcda354910f41bd3aa8ca0bb315:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-PatchReader
 * [new ref]         d284112f179e4dcda354910f41bd3aa8ca0bb315 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d284112 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild