$ git clone -n https://src.fedoraproject.org/rpms/imhex.git /var/lib/mock/f39-build-2467617-61444/root/chroot_tmpdir/scmroot/imhex
Cloning into '/var/lib/mock/f39-build-2467617-61444/root/chroot_tmpdir/scmroot/imhex'...
$ git fetch origin 95d86573ca83cca05aa5d013c20a78e6bafdf1e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/imhex
 * [new ref]         95d86573ca83cca05aa5d013c20a78e6bafdf1e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 95d8657 update to 1.33.0