$ git clone -n https://src.fedoraproject.org/rpms/perl-Alien-LibGumbo.git /var/lib/mock/f40-build-779023-130154/root/chroot_tmpdir/scmroot/perl-Alien-LibGumbo
Cloning into '/var/lib/mock/f40-build-779023-130154/root/chroot_tmpdir/scmroot/perl-Alien-LibGumbo'...
$ git fetch origin 2ab52322fa52b1e160d7e8483d023dcf2d7f877a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Alien-LibGumbo
 * [new ref]         2ab52322fa52b1e160d7e8483d023dcf2d7f877a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ab5232 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild