$ git clone -n https://src.fedoraproject.org/rpms/rust-human-panic.git /var/lib/mock/f38-build-side-43-rust-devel-1398375-31091/root/chroot_tmpdir/scmroot/rust-human-panic
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1398375-31091/root/chroot_tmpdir/scmroot/rust-human-panic'...
$ git fetch origin 9e2e402e192451dbc0b9eeb306673aaa362d8302:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-human-panic
 * [new ref]         9e2e402e192451dbc0b9eeb306673aaa362d8302 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e2e402 Update to version 1.2.0; Fixes RHBZ#2234502