$ git clone -n https://src.fedoraproject.org/rpms/rust-cursive_core.git /var/lib/mock/f40-build-2122681-50742/root/chroot_tmpdir/scmroot/rust-cursive_core
Cloning into '/var/lib/mock/f40-build-2122681-50742/root/chroot_tmpdir/scmroot/rust-cursive_core'...
$ git fetch origin 84ddd8bdb9f0f6b70b49a0200c040162f19e0f0f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cursive_core
 * [new ref]         84ddd8bdb9f0f6b70b49a0200c040162f19e0f0f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84ddd8b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild