$ git clone -n https://src.fedoraproject.org/rpms/mingw-tcl.git /var/lib/mock/f40-build-2200723-51789/root/chroot_tmpdir/scmroot/mingw-tcl
Cloning into '/var/lib/mock/f40-build-2200723-51789/root/chroot_tmpdir/scmroot/mingw-tcl'...
$ git fetch origin 1852dec637ad639e0a07e2bb4529fad57f5638fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-tcl
 * [new ref]         1852dec637ad639e0a07e2bb4529fad57f5638fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1852dec Update to 8.6.13