$ git clone -n https://src.fedoraproject.org/rpms/perl-Proc-Simple.git /var/lib/mock/f40-build-2629523-65574/root/chroot_tmpdir/scmroot/perl-Proc-Simple
Cloning into '/var/lib/mock/f40-build-2629523-65574/root/chroot_tmpdir/scmroot/perl-Proc-Simple'...
$ git fetch origin fb81072a40ef3c3cdf583c1e7b35466c4328ec73:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Proc-Simple
 * [new ref]         fb81072a40ef3c3cdf583c1e7b35466c4328ec73 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb81072 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild