$ git clone -n https://src.fedoraproject.org/rpms/imhex.git /var/lib/mock/f39-build-2376048-60424/root/chroot_tmpdir/scmroot/imhex
Cloning into '/var/lib/mock/f39-build-2376048-60424/root/chroot_tmpdir/scmroot/imhex'...
$ git fetch origin ec7a0ff896ba4a55d55696c630c165f55cf0ac5f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/imhex
 * [new ref]         ec7a0ff896ba4a55d55696c630c165f55cf0ac5f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec7a0ff update to 1.31.0