$ git clone -n https://src.fedoraproject.org/rpms/dos2unix.git /var/lib/mock/f40-build-789723-135964/root/chroot_tmpdir/scmroot/dos2unix
Cloning into '/var/lib/mock/f40-build-789723-135964/root/chroot_tmpdir/scmroot/dos2unix'...
$ git fetch origin 93fa277adc9b3f49c2553ddff1aad1fc3a49c628:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dos2unix
 * [new ref]         93fa277adc9b3f49c2553ddff1aad1fc3a49c628 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 93fa277 Update to 7.5.2 (bug #2259911).