$ git clone -n https://src.fedoraproject.org/rpms/qt-jdenticon.git /var/lib/mock/f40-build-2031514-47627/root/chroot_tmpdir/scmroot/qt-jdenticon
Cloning into '/var/lib/mock/f40-build-2031514-47627/root/chroot_tmpdir/scmroot/qt-jdenticon'...
$ git fetch origin cf034ffae93e9c873b07c4abd21489f628b9fd84:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt-jdenticon
 * [new ref]         cf034ffae93e9c873b07c4abd21489f628b9fd84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf034ff Fix flatpak build