$ git clone -n https://src.fedoraproject.org/rpms/pcmanfm-qt.git /var/lib/mock/f40-build-2704336-70932/root/chroot_tmpdir/scmroot/pcmanfm-qt
Cloning into '/var/lib/mock/f40-build-2704336-70932/root/chroot_tmpdir/scmroot/pcmanfm-qt'...
$ git fetch origin 86b4c949b02eeb172b1787a27dcf3700e5873afe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pcmanfm-qt
 * [new ref]         86b4c949b02eeb172b1787a27dcf3700e5873afe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86b4c94 Updated to 1.4.1: Fixed regression in setting wallpaper with commandline