$ git clone -n https://src.fedoraproject.org/rpms/rust-axum.git /var/lib/mock/f40-build-2081052-49739/root/chroot_tmpdir/scmroot/rust-axum
Cloning into '/var/lib/mock/f40-build-2081052-49739/root/chroot_tmpdir/scmroot/rust-axum'...
$ git fetch origin 5ed59049fc565456c13d42bca210527bda3a3887:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-axum
 * [new ref]         5ed59049fc565456c13d42bca210527bda3a3887 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ed5904 Update to version 0.6.20; Fixes RHBZ#2230184