$ git clone -n https://src.fedoraproject.org/rpms/perl-Config-General.git /var/lib/mock/f39-build-1434941-31964/root/chroot_tmpdir/scmroot/perl-Config-General
Cloning into '/var/lib/mock/f39-build-1434941-31964/root/chroot_tmpdir/scmroot/perl-Config-General'...
$ git fetch origin c979a1e736619f8d15fbe46f3461da3bd692c969:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Config-General
 * [new ref]         c979a1e736619f8d15fbe46f3461da3bd692c969 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c979a1e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild