$ git clone -n https://src.fedoraproject.org/rpms/qt-creator.git /var/lib/mock/f39-build-1564068-37498/root/chroot_tmpdir/scmroot/qt-creator
Cloning into '/var/lib/mock/f39-build-1564068-37498/root/chroot_tmpdir/scmroot/qt-creator'...
$ git fetch origin bbe27fda79358e6bbdeabcb1c73457899d43133f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt-creator
 * [new ref]         bbe27fda79358e6bbdeabcb1c73457899d43133f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bbe27fd Rebuild (qt6)