$ git clone -n https://src.fedoraproject.org/rpms/python-pkgconfig.git /var/lib/mock/f39-build-1554334-37051/root/chroot_tmpdir/scmroot/python-pkgconfig
Cloning into '/var/lib/mock/f39-build-1554334-37051/root/chroot_tmpdir/scmroot/python-pkgconfig'...
$ git fetch origin ea7a6fb60f3ee719843981cf931297d74114b5a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pkgconfig
 * [new ref]         ea7a6fb60f3ee719843981cf931297d74114b5a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea7a6fb Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild