$ git clone -n https://src.fedoraproject.org/rpms/rust-axum.git /var/lib/mock/f41-build-side-1-3133794-39701/root/chroot_tmpdir/scmroot/rust-axum
Cloning into '/var/lib/mock/f41-build-side-1-3133794-39701/root/chroot_tmpdir/scmroot/rust-axum'...
$ git fetch origin 728f38550d59f44728e4d58140a3434aa7894df9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-axum
 * [new ref]         728f38550d59f44728e4d58140a3434aa7894df9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 728f385 Update to version 0.7.7; Fixes RHBZ#2313839