$ git clone -n https://src.fedoraproject.org/rpms/rust-cargo-insta.git /var/lib/mock/f40-build-2402012-60556/root/chroot_tmpdir/scmroot/rust-cargo-insta
Cloning into '/var/lib/mock/f40-build-2402012-60556/root/chroot_tmpdir/scmroot/rust-cargo-insta'...
$ git fetch origin 27c9d5e502cb5530344a364e06d64554063e45ad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cargo-insta
 * [new ref]         27c9d5e502cb5530344a364e06d64554063e45ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27c9d5e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild