$ git clone -n https://src.fedoraproject.org/rpms/pcmanfm-qt.git /var/lib/mock/f40-build-773083-126812/root/chroot_tmpdir/scmroot/pcmanfm-qt
Cloning into '/var/lib/mock/f40-build-773083-126812/root/chroot_tmpdir/scmroot/pcmanfm-qt'...
$ git fetch origin a7dad02489f7416e59e3decc0a15a13661522e9c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pcmanfm-qt
 * [new ref]         a7dad02489f7416e59e3decc0a15a13661522e9c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a7dad02 Update to 1.4.0