$ git clone -n https://src.fedoraproject.org/rpms/libkomparediff2.git /var/lib/mock/f45-build-16449-486/root/chroot_tmpdir/scmroot/libkomparediff2
Cloning into '/var/lib/mock/f45-build-16449-486/root/chroot_tmpdir/scmroot/libkomparediff2'...
$ git fetch origin 4b94d0acba3b81d4d5614470aa49ffe8ea4a1eac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libkomparediff2
 * [new ref]         4b94d0acba3b81d4d5614470aa49ffe8ea4a1eac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b94d0a 26.08.1