$ git clone -n https://src.fedoraproject.org/rpms/isoimagewriter.git /var/lib/mock/f40-build-2423482-60593/root/chroot_tmpdir/scmroot/isoimagewriter
Cloning into '/var/lib/mock/f40-build-2423482-60593/root/chroot_tmpdir/scmroot/isoimagewriter'...
$ git fetch origin 2cf2817de152fe4e8536c201e129068c6415c879:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/isoimagewriter
 * [new ref]         2cf2817de152fe4e8536c201e129068c6415c879 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2cf2817 24.01.95