$ git clone -n https://src.fedoraproject.org/rpms/rust-insta.git /var/lib/mock/f40-build-2656989-66915/root/chroot_tmpdir/scmroot/rust-insta
Cloning into '/var/lib/mock/f40-build-2656989-66915/root/chroot_tmpdir/scmroot/rust-insta'...
$ git fetch origin 00a3b3e9043a4bbc057ac6e92124f19cd15af440:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-insta
 * [new ref]         00a3b3e9043a4bbc057ac6e92124f19cd15af440 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00a3b3e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild