$ git clone -n https://src.fedoraproject.org/rpms/rust-cargo-insta.git /var/lib/mock/f40-build-2053910-49096/root/chroot_tmpdir/scmroot/rust-cargo-insta
Cloning into '/var/lib/mock/f40-build-2053910-49096/root/chroot_tmpdir/scmroot/rust-cargo-insta'...
$ git fetch origin 5652ca3df6a52cbe536d23c16e97e3ff184de625:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cargo-insta
 * [new ref]         5652ca3df6a52cbe536d23c16e97e3ff184de625 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5652ca3 Update to version 1.34.0; Fixes RHBZ#2241128