$ git clone -n https://src.fedoraproject.org/rpms/python2-cairo.git /var/lib/mock/f41-build-side-1-3135903-39768/root/chroot_tmpdir/scmroot/python2-cairo
Cloning into '/var/lib/mock/f41-build-side-1-3135903-39768/root/chroot_tmpdir/scmroot/python2-cairo'...
$ git fetch origin d7d0fdfc1c44c20c34a8f48baee297449942f664:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python2-cairo
 * [new ref]         d7d0fdfc1c44c20c34a8f48baee297449942f664 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d7d0fdf https://fedoraproject.org/wiki/Changes/RetirePython2.7