$ git clone -n https://src.fedoraproject.org/rpms/rust-fancy-regex0.7.git /var/lib/mock/f40-build-2081812-49792/root/chroot_tmpdir/scmroot/rust-fancy-regex0.7
Cloning into '/var/lib/mock/f40-build-2081812-49792/root/chroot_tmpdir/scmroot/rust-fancy-regex0.7'...
$ git fetch origin 6ce52a0436aa7a9289a6ed4e702e250619858c0f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-fancy-regex0.7
 * [new ref]         6ce52a0436aa7a9289a6ed4e702e250619858c0f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ce52a0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild