$ git clone -n https://src.fedoraproject.org/rpms/rust-procs.git /var/lib/mock/f39-build-2368582-60389/root/chroot_tmpdir/scmroot/rust-procs
Cloning into '/var/lib/mock/f39-build-2368582-60389/root/chroot_tmpdir/scmroot/rust-procs'...
$ git fetch origin a489090494edbc7d14ae5a155e9460421138d716:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-procs
 * [new ref]         a489090494edbc7d14ae5a155e9460421138d716 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a489090 Update to version 0.14.4; Fixes RHBZ#2244800