$ git clone -n https://src.fedoraproject.org/rpms/rust-insta.git /var/lib/mock/f45-build-42591-795/root/chroot_tmpdir/scmroot/rust-insta
Cloning into '/var/lib/mock/f45-build-42591-795/root/chroot_tmpdir/scmroot/rust-insta'...
$ git fetch origin e361bc38b7125e574911b04d85aa9227b0f20287:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-insta
 * [new ref]         e361bc38b7125e574911b04d85aa9227b0f20287 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e361bc3 Update to version 1.48.0; Fixes RHBZ#2452072