$ git clone -n https://src.fedoraproject.org/rpms/libfm-qt.git /var/lib/mock/f41-build-1022074-18048/root/chroot_tmpdir/scmroot/libfm-qt
Cloning into '/var/lib/mock/f41-build-1022074-18048/root/chroot_tmpdir/scmroot/libfm-qt'...
$ git fetch origin 2c747f6510f24c4e9c133d31b917c4d1743e02d7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libfm-qt
 * [new ref]         2c747f6510f24c4e9c133d31b917c4d1743e02d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c747f6 Rebuilt for exiv2 0.28.2