$ git clone -n https://src.fedoraproject.org/rpms/perl-Contextual-Return.git /var/lib/mock/f40-build-2621769-64803/root/chroot_tmpdir/scmroot/perl-Contextual-Return
Cloning into '/var/lib/mock/f40-build-2621769-64803/root/chroot_tmpdir/scmroot/perl-Contextual-Return'...
$ git fetch origin 2fa66e924e541f3dbdc10b6db1d780ea911be436:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Contextual-Return
 * [new ref]         2fa66e924e541f3dbdc10b6db1d780ea911be436 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2fa66e9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild