$ git clone -n https://src.fedoraproject.org/rpms/pcmanfm-qt.git /var/lib/mock/f39-build-1537260-36364/root/chroot_tmpdir/scmroot/pcmanfm-qt
Cloning into '/var/lib/mock/f39-build-1537260-36364/root/chroot_tmpdir/scmroot/pcmanfm-qt'...
$ git fetch origin 8a8ff8544ef81fd499f2d62520585651cc89f62e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pcmanfm-qt
 * [new ref]         8a8ff8544ef81fd499f2d62520585651cc89f62e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a8ff85 Update version to 1.3.0