$ git clone -n https://src.fedoraproject.org/rpms/imhex.git /var/lib/mock/f42-build-864512-172387/root/chroot_tmpdir/scmroot/imhex
Cloning into '/var/lib/mock/f42-build-864512-172387/root/chroot_tmpdir/scmroot/imhex'...
$ git fetch origin 547d97ca94fecb98e003752acf7235ae3bdf32cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/imhex
 * [new ref]         547d97ca94fecb98e003752acf7235ae3bdf32cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 547d97c update to 1.36.2