$ git clone -n https://src.fedoraproject.org/rpms/rust-warp-sessions.git /var/lib/mock/f38-build-side-42-init-devel-1183604-30620/root/chroot_tmpdir/scmroot/rust-warp-sessions
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1183604-30620/root/chroot_tmpdir/scmroot/rust-warp-sessions'...
$ git fetch origin ed2c97aec0806ce34f30e00c6c952ed2c1951dbe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-warp-sessions
 * [new ref]         ed2c97aec0806ce34f30e00c6c952ed2c1951dbe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed2c97a Update to version 1.0.19; Fixes RHBZ#2203628