$ git clone -n https://src.fedoraproject.org/rpms/rust-inventory.git /var/lib/mock/f39-build-1869240-42622/root/chroot_tmpdir/scmroot/rust-inventory
Cloning into '/var/lib/mock/f39-build-1869240-42622/root/chroot_tmpdir/scmroot/rust-inventory'...
$ git fetch origin 5358de4e6369b1cf0a0ca2115654c5293e292a2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-inventory
 * [new ref]         5358de4e6369b1cf0a0ca2115654c5293e292a2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5358de4 Update to version 0.3.13; Fixes RHBZ#2247388