$ git clone -n https://src.fedoraproject.org/rpms/mingw-qt6-qtmultimedia.git /var/lib/mock/f42-build-side-1-3569492-46747/root/chroot_tmpdir/scmroot/mingw-qt6-qtmultimedia
Cloning into '/var/lib/mock/f42-build-side-1-3569492-46747/root/chroot_tmpdir/scmroot/mingw-qt6-qtmultimedia'...
$ git fetch origin d0d5f133a6912de3f4d834fe2a2078bc96a756b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qt6-qtmultimedia
 * [new ref]         d0d5f133a6912de3f4d834fe2a2078bc96a756b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0d5f13 Fix unpackaged files